Tag Archives: electric screw

China factory Best Air Compressor Screw Air Compressor Electric Integrated for General Industrial ISO and CE Passed with Best Sales

Product Description

Q1: What information do I need to provide to get the suitable machine?
1. How much air delivery capacity ( Unit:CFM or M3/Min )
2 How much working pressure ( Unit:PSI, Bar or Mpa )
3.What is the voltage and frequency of my country of residence ( V/Hz )
4. Whether I need other accessories such as air tank, filters and/or air dryers.
Tell us the answer, we will offer scheme for you!

Q2: What are the general unit conversion?
1bar = 0.1Mpa = 14.5psi 1m³/min = 35.32cfm 1KW = 1.34HP

Q3: Are you factory or trading company?
We are factory. Our factory is located in 39 Xihu (West Lake) Dis. Rd, HangZhou, ZHangZhoug

Q4: Which trade term can you accept?
FOB, CIF, CFR, EXW, etc.

Q5: How long will you take to arrange production?
15 days for Regular Products, 35 days for Customizing Models

SPECIFICATION

MODEL	LB-30-8
Ambient Temperature	-5ºC to +45 ºC
Max Pressure (bar)	8
Air Delivery (m3/min)	3.6
Compression Stage	Single Stage Compression
Cooling Method	Air Cooled
Discharge Temperature (ºC)	≤ 75ºC
Oil Cotent (ppm)	≤3
Transmission Method	Direct Drive(Non-Coupling)
Sound Level dB(A)	68±3
Lubricating Oil Amount	12.5L
Motor Power	22KW/30HP
Motor Level Of Protection	IP55
Voltage	380V/3ph/50Hz
Dimensions (mm)	1060×790×1160(LWH)
Weight	450KG
Discharge Outlet Thread	1”

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Video, Live, Site Support
Warranty:	2-Year-Warranty
Lubrication Style:	Lubricated
Cooling System:	Air Cooling
Power Source:	AC Power
Installation Type:	Stationary Type

Samples:	US$ 980/set 1 set(Min.Order) \| Request Sample

Customization:	Available \|

air compressor

What are the energy-saving technologies available for air compressors?

There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:

1. Variable Speed Drive (VSD) Compressors:

VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.

2. Energy-Efficient Motors:

The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.

3. Heat Recovery Systems:

Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.

4. Air Receiver Tanks:

Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.

5. System Control and Automation:

Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.

6. Leak Detection and Repair:

Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.

7. System Optimization and Maintenance:

Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.

By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.

air compressor

How does the horsepower of an air compressor affect its capabilities?

The horsepower of an air compressor is a crucial factor that directly impacts its capabilities and performance. Here’s a closer look at how the horsepower rating affects an air compressor:

Power Output:

The horsepower rating of an air compressor indicates its power output or the rate at which it can perform work. Generally, a higher horsepower rating translates to a greater power output, allowing the air compressor to deliver more compressed air per unit of time. This increased power output enables the compressor to operate pneumatic tools and equipment that require higher air pressure or greater airflow.

Air Pressure:

The horsepower of an air compressor is directly related to the air pressure it can generate. Air compressors with higher horsepower ratings have the capacity to produce higher air pressures. This is particularly important when operating tools or machinery that require specific air pressure levels to function optimally. For example, heavy-duty pneumatic tools like jackhammers or impact wrenches may require higher air pressure to deliver the necessary force.

Air Volume:

In addition to air pressure, the horsepower of an air compressor also affects the air volume or airflow it can provide. Higher horsepower compressors can deliver greater volumes of compressed air, measured in cubic feet per minute (CFM). This increased airflow is beneficial when using pneumatic tools that require a continuous supply of compressed air, such as paint sprayers or sandblasters.

Duty Cycle:

The horsepower rating of an air compressor can also influence its duty cycle. The duty cycle refers to the amount of time an air compressor can operate continuously before it needs to rest and cool down. Higher horsepower compressors often have larger and more robust components, allowing them to handle heavier workloads and operate for longer periods without overheating. This is particularly important in demanding applications where continuous and uninterrupted operation is required.

Size and Portability:

It’s worth noting that the horsepower rating can also affect the physical size and portability of an air compressor. Higher horsepower compressors tend to be larger and heavier due to the need for more substantial motors and components to generate the increased power output. This can impact the ease of transportation and maneuverability, especially in portable or mobile applications.

When selecting an air compressor, it is essential to consider the specific requirements of your intended applications. Factors such as desired air pressure, airflow, duty cycle, and portability should be taken into account. It’s important to choose an air compressor with a horsepower rating that aligns with the demands of the tools and equipment you plan to operate, ensuring optimal performance and efficiency.

Consulting the manufacturer’s specifications and guidelines can provide valuable information on how the horsepower rating of an air compressor corresponds to its capabilities and suitability for different tasks.

air compressor

Can air compressors be used for automotive applications?

Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:

1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.

2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.

3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.

4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.

5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.

6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.

7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.

When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.

Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.

China factory Best Air Compressor Screw Air Compressor Electric Integrated for General Industrial ISO and CE Passed with Best Sales
editor by CX 2024-01-03

China Custom China Cheap Portable Multifunction Screw Air Compressor Machines Electric Portable Air Compressor air compressor for car

Product Description

55KW 75HP hot sales high quality electric portable screw air compressor

Product Description

Certifications

What are the advantages of using an air compressor in construction?

Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:

Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.

It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.

In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.

air compressor

How do you troubleshoot common air compressor problems?

Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:

1. No Power:

Check the power source and ensure the compressor is properly plugged in.
Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
Verify that the compressor’s power switch or control panel is turned on.

2. Low Air Pressure:

Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.

3. Excessive Noise or Vibration:

Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.

4. Air Leaks:

Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.

5. Excessive Moisture in Compressed Air:

Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.

6. Motor Overheating:

Ensure the compressor’s cooling system is clean and unobstructed.
Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
Verify that the compressor is not being operated in an excessively hot environment.
Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
Consider using a thermal overload protector to prevent the motor from overheating.

If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.

air compressor

Can air compressors be used for automotive applications?

China Custom China Cheap Portable Multifunction Screw Air Compressor Machines Electric Portable Air Compressor air compressor for car
editor by CX 2024-01-03

China OEM 7.5kw 10HP Industrial Electric Compressor Machine Low Noise Variable Screw Air Compressor portable air compressor

Product Description

7.5KW 10HP Industrial Electric Compressor Machine Low Noise Variable Screw Air Compressor

Industrial air compressor small size, reasonable layout, convenient maintenance and use, suitable for direct use on the production site, and small floor area.

Comparing to normal variable speed motor, the permanent magnet synchronous motor performs with even better energy efficiency. Especially in the low-speed condition, it can still maintain a high motor efficiency. 1.New design, new structure, stable quality,it has good heat dissipation .
2.Comprehensive upgrade of the manufacturing process, high-cost performance,good noise reduction and mute effect and long life.
3.Permanent magnet variable frequency motor, which is highly efficient and energy-saving.

Product Description

Model	Air pressure Mpa	F.A.D m³/min	Rated power KW	Noise dB	Drive method	Start method	Outlet valve
SR-VF7.5	0.8	1.1	7.5	≤76	Direct	Frequency conversion start	R1/2
	1	1
	13	0.8
	1.6	0.5
SR-VF11	0.8	18	11				R3/4
	1	1.6
	1	1.3
	1.6	0.7
SR-VF15	0.8	2.3	15
	1	2.1
	1	1.7
	1.6	1.2
SR-VF22	0.8	3.6	22	≤80			R1
	1	3.2
	1	2.3
	1.6	2.0
SR-VF30	0.8	5.0	30				R1 1/2
	1	3.5
	1	3.3
	1.6	2.6
SR-VF37	0.8	6.1	37
	1	4.8
	1.3	4.5
	1.6	3.1
SR-VF45	0.8	7.5	45	≤85
	1	6.2
	1	6.0
	1.6	4.5
SR-VF55	0.8	9.25	55				R2
	1	7.3
	1	7
	1.6	5.4
SR-VF75	0.8	12	75
	1	9.2
	1	8.9
	1.6	6.8
SR-VF90	0.8	16	90	≤95
	1	12.5
	1	12
	1.6	8.6
SR-VF110	0.8	20	110				R2 1/2
	1	18.5
	1.3	15.8
	16	11.5
SR-VF132	0.8	23	132
	1	21.5
	13	15
	1.6	14
SR-VF160	0.8	28	160	≤90			DN65
	1	22
	13	21
	1.6	19
SR-VF185	0.8	30	185
	1	27
	13	22
	1.6	21
SR-VF200	0.8	32	200	≤95			DN80
	1	29
	13	27
	1.6	21
SR-VF220	0.8	38	220
	1	30
	13	29
	16	21
SR-VF250	0.8	43	250
	1	39.5
	1.3	31
	16	28

Adopt a built-in oil separation setting to ensure the oil and gas separation effect and reduce fuel consumption
1.High filtration level and low flow resistance.
2.Good noise reduction and mute effect.
3.Oil and gas separation, high-temperature resistance, high-pressure resistance – reduce the oil content of the exhaust.
4.Clean exhaust to ensure clean gas.
Timely Smart Control Panel
1.Using a user-friendly interface to prompt operation, clear at a glance, real-time monitoring of information.

Company Profile

1.What can you buy from us?
DTH drilling rig,core drilling rig,highway pile driver,solar pile driver ,anchor pile driver,rotary drill rig ,Top Hammer drill rig,underground jumbo drill rig ,DTH hammer,drill rod,screw air compressor,water well drilling rig,truck mounted water well drilling rig,screw air compressor,piston air compressor,pneumatic rock drill ,drill bit,tricone bit ,spare parts.

2.How can I make payment?
A:You can pay by credit card, TT, Western Union, LC etc.

3.How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT. You can also appoint shipping method you like before we ship.

4.How is your quality control?
A: We have our own experienced QC. There will be strict inspection and testing for every order before shipping out.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Online Technical Services
Warranty:	1 Year
Lubrication Style:	Lubricated

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

air compressor

What are the advantages of using an air compressor in construction?

Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.

air compressor

Can air compressors be used for medical and dental applications?

Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

1. Dental Tools:

Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

2. Medical Devices:

Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

3. Laboratory Applications:

Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

4. Surgical Tools:

In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

5. Sterilization and Autoclaves:

Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

6. Dental Air Compressors:

Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

7. Air Quality Standards:

In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

8. Compliance and Regulations:

Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

air compressor

Can air compressors be used for automotive applications?

China OEM 7.5kw 10HP Industrial Electric Compressor Machine Low Noise Variable Screw Air Compressor portable air compressor
editor by CX 2024-01-02

China supplier 270HP 7-13bar Variable Frequency Electric Energy Saving Oil Injected Twin Stage Screw Air Compressor best air compressor

Product Description

REDUCE ENERGY CONSUMPTION

Under different conditions,the demand for gas will float.Through a large number of research and calculation of marketdemandCha nun confirmed it.Only about 10% of applications require stable air supplyTherefore,frequency conversioncompressor can play a greater role in energy saving.
Energy cost often accounts for 70% of the life cycle cost of a compressor. The production of compressed air may account for 40% of all electricity costs in the plant.In almost every factory,the gas consumption will vary with different time periods,with its high and low CHINAMFG periods. permanent magnet variable frequency screw air compressor can supply glass completely according to the requirements of gas consumption,which can not only save a lot of energy, but also protect theenvironment for future generations.
INTERIOR STRUCTURE

CUSTOM OIL
COOLED MOTOR
First-stage energy-efficient motor,Low Noise,IP65 protection grade

AUTOMOTIVE GRADE
PERMANENT MAGNET MOTOR
IE4 high efficiency permanent magnet motor.
AUTOMOTIVE PERMANENT MAGNET MOTOR ForN38UH high grade permanent magnet, IP67 protection grade, and fully enclosed structure uniquevacuum epoxy dipping paint,effectively guaranteeing the stable operation of unit.

CHANUN
CUSTOM CONVERTER
Permanent magnet variable-frequency conversion technology, wide voltage. energy-saving ,with a small impact on the power grid.

7 INCH TOUCH SCREEN

Large touch screen.all-round protection monitoring with functions of motor start/stopcontrol, operation control:reversal protection of air compressor: and multi-point temperature detection and control protection.

HIGH MOBILITY (OPTIONAL)

Easy and flexible to rotate. so that the air compressor is able to move conveniently andquickly (optional)

ZheJiang CHINAMFG Machinery Manufacturing Co. , Ltd. is located in HangZhou, ZheJiang .CHINAMFG is a comprehensive screw air compressor manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop,a comprehensive first-class exhibition hall and a testing laboratory.

CHINAMFG has excellent mechanical engineering designers, an experienced staff team and a professional management team. The production concept focuses on energy-saving and is committed to perfecting and improving the technological process in order to get the core technology of super frequency energy-saving, achieving the characteristics of mute, durability, power saving and safety.

The company has 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts.

Dukas adheres to the business philosophy of cooperation and mutual benefit to provide a one-stop service for every customer!

CHINAMFG air compressors not only cover the domestic market but also are exported to more than 20 countries and regions such as South Africa, Australia, Thailand, Russia, Argentina, Canada and so on.
Dukas products have won a good reputation from users for their excellent quality and style. The company has always adhered to the concept of quality first, service first and dedication to providing every customer with excellent products and meticulous after-sales service!

Dukas warmly welcome customers to visit our factory and establish a wide range of cooperation!

Frequency Asked Question:

Q1: Are you factory or trade company?
A1: We are factory.

Q2: What the exactly address of your factory?
A2: Our Factory is Located in Xihu (West Lake) Dis. County, HangZhou City, ZheJiang Province, China.

Q3: Will you provide spare parts of your products?
A3: Yes, We provide all parts to customer, so you can do repair or maintenance without trouble.

Q4: Can you accept OEM orders?
A4: Yes, with professional design team, OEM orders are highly welcome.

Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products.380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.

Q6: Warranty terms of your machine?
A6: Two years warranty for the machine and technical support always according to your needs.

Q7: Can you provide the best price?
A7:According to your order, we will provide you the best price. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	24 Hours
Warranty:	2 Year
Lubrication Style:	Lubricated
Cooling System:	Air Cooling
Power Source:	AC Power
Cylinder Position:	Horizontal

Customization:	Available \|

air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

Are there differences between single-stage and two-stage air compressors?

Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:

Compression Stages:

The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.

Compression Process:

In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.

Pressure Output:

The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.

Efficiency:

Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.

Intercooling:

Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.

Applications:

The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.

It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.

In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.

air compressor

What is the role of air compressor tanks?

Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:

1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.

2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.

3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.

4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.

5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.

6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.

Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.

China supplier 270HP 7-13bar Variable Frequency Electric Energy Saving Oil Injected Twin Stage Screw Air Compressor best air compressor
editor by CX 2023-12-26

China Hot selling 50HP/37kw 30% Energy Saving Industrial Permanent Magnet Motor VSD Electric Screw Air Compressor 12v air compressor

Product Description

DM Series Permanent Magnet Variable Frequency Screw Compressor

Characteristics of permanent magnet frequency conversion air compressor
Ultra-low temperature rise design, the compressor allows long-term stable operation at ultra-low frequency, adopts closed-loop vector control system, faster control, more precise speed regulation, when the frequency is reduced by more than 50%, the compressor unit can still maintain high-efficiency operation, stable pressure, and precise pressure control Fluctuation within 0.01MPA.

The figure shows the comparison of several start-up methods. It can be seen that the inverter starts slowly and accelerates, which is more stable and completely avoids the current peak.

Under the set frequency conversion pressure, the unit will automatically adjust to keep the output pressure within ±0.1bar, reducing unnecessary waste. (For every 1 bar increase in pressure, power consumption increases by 7%)

Product feature

Super Premium Efficiency PM Motor (IE4 equivalent) Oil-cooled motor.

Fully enclosed IP65 protection.
Reach lE4 efficiency standard.
VSD: variable speed drive.
Optimal cooling for all speeds and ambient conditions.
Bearing free motor requires zero maintenance.
UH series Permanent magnets resist to 180°C
F grade insulation and B grade temperature rise assessment.
High temperature design prevents demagnetization.

New compressor airend

1. New improved rotor profile

2. R&D in Germany
3. Designed to give many years of reliable operation

Inlet filter

Nano scale Heavy duty
Filtration accuracy upto 99.9%
Dust particles below 0.3 micron
Pressure drop indicator

VSD fan

VSD control
Compact
Low noise level
High capacity for optimized cooling
Low power consumption

Classic cooler design

Easy access for maintenance
Paint anti-corrosion coating on surface
30% oversized cooler design

Innovative flux vector inverter

Wide voltage design
Meets C3 and C3 EMC requirements
Built-in DC reactor
Independent cooling air duct design

Touch PLC

7.0 inch full color touch screen
Real-time operation/ maintenance/ alarm information
Full graphical flow diagram
Operation record/ chart display
Multiple languages
Weekly and daily scheduling, service history and plHangZhou
On board RS485 interface

Inlet valve

Optimizes the inlet flow of the air end
No blow down losses
Full aluminum maintenance free design
Fast check: prevent unloading and shut-
down oil injection

Oil filter

High efficiency oil filter removes contaminants from the oil
Oil particles can be controlled at 0.1 micron
Ensures a smooth and well-lubricated oil system

Oil tank

Oversized air and oil tank improves the cyclone effect maximising the separation process
The high efficiency oil separator ensures that the oil carry over is less than 3ppm
System pressure loss is less than 0.02mpa

All-steel internal pipe system

All steel internal pipe work and compression joints are used to prevents leakage and premature ageing often seen with flexible pipes
Less pipe friction loss

Product parameter

Model No.	Power	Max.	Capacity	Cooling	Driven	Starting	Weight(Kg)	Air	Dimension (mm)
	(kw/hp)	Pressure	(m3/min)	Method		System		Outlet
DM-10A	7.5/10	8 bar	1.2	Oil	Direct	Frequency	190	G3/4″	895590970
DM-20A	15/20	7bar	2.4				236	G3/4″	10626901000
		8 bar	2.3
		10 bar	2.2
DM-30A	22/30	7bar	4.1				370	G1″	13308301265
		8 bar	3.6
		10 bar	3.2
DM-40A	30/40	7bar	5.7				450	G1″	13308301265
		8 bar	5.2
		10 bar	/
DM-50A	37/50	8 bar	6.5				655	G1 1/2″	15009401415
		10 bar	5.6
		13 bar	4.9
DM-60A	45/60	7 bar	8.1				730	G1 1/2″	15009401415
		8 bar	7.5
		13bar	5.9
DM-75A	55/75	7 bar	10.3				1050	G2″	160010601470
		8 bar	9.5
		13 bar	7.8
DM-100A	75/100	7 bar	13	Air			1291	G2″	200011201590
		8 bar	12.8
		10 bar	11
		13 bar	9.5
DM-125A	90/125	7 bar	16.33				1421	G2″	200011201590
		8 bar	13.65
		10 bar	14
		13 bar	12.5
DM-150A	110/150	7 bar	20.8				1970	DN65	240016301980
		8 bar	19.6
		10 bar	17.8
		13 bar	15.5
DM-175A	132/175	7 bar	24.1				2120	DN65	240016301980
		8 bar	23.2
		10 bar	19.5
		13 bar	17
DM-220A	160/220	7 bar	28.5				2650	DN80	260017001980
		8 bar	27.5
		10 bar	23
		13 bar	20
DM-250A	185/250	7 bar	33.2				2850	DN80	260017001980
		8 bar	31.2
		10 bar	27.5
		13 bar	25.8
Motor Efficiency Class: Ultraefficient/IE3/IE2 as per your required Motor Protection Class: IP23/IP54/IP55 or as per your required Certification: CE/ISO9001/TUV/UL/SGS/ASME Voltage: 380V/3PH/50HZ/60HZ, 220V/3PH/50HZ/60HZ, 400V/3PH/50HZ/60HZ, 440V/3PH/50HZ/60HZ, 415V/3PH/50HZ/60HZ, 230V/3PH/50HZ/60HZ, dual voltage is also ok

1.DHH Permanent Magnet VSD Screw Compressor Energy-saving technology makes it an indispensable part in your factory.

Features
Motor Power:7.5~55(Kw)
Air Delivery: 0.7~10.3(m3/min)
Working Pressure:7.0~13.0(Bar)
Cooling Method: Oil cooling
Motor protection class: IP65
High-efficiency, One-piece structure

Motor Power:75~185(Kw)
Air Delivery:13~33.2(m3/min)
Working Pressure:7.0~13.0(Bar)
Cooling Method: Ail cooling
Motor protection class: IP54
High-efficiency, Significant Energy saving

Certificate

Project case

Shipping and packaging

Customer feedback

About us

Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineers’ teams.We focus on the research & develop, manufacture and energy-saving solutions of screw air compressor to create value for customers and society.

Dehaha opened to the world since 2015, and now we have a foreign trade department with more than dozens people, serving customers around the world 24 hours. We have sales representatives who can speak English, Spanish, Portuguese, French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.now our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.

Dehaha continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CHINAMFG improved rapidly to reach the business principle “Energy Saving First, Mutual Value Shared”. The production line of CHINAMFG is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, portable air compressor, permanent magnet variable frequency air compressor, high pressure air compressor and compressed air purification equipment, etc.

Dehaha mission is to be a world-renowned high-end brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff. Committed to offer our customers a silent and energy-saving manufactured products.
Our services

1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in DEHAHA air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang and all distributors’depots.
6.All kinds of technical documents in different languages.

Why choose us

FAQ

1.Why customer choose us?
DEHAHA COMPRESSOR ZheJiang CO.,LTD.with 24 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.

2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.

3.Where is your factory located? How can I visit there?
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!

4.What’s your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.

5.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines.

6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.

7.How long could your air compressor be used?
Generally, more than 10 years.

8. What’s payment term?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.

9.How about your customer service?
24 hours on-line service available.48 hours problem solved promise.

10.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) CHINAMFG agents and after service available.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Online Support
Warranty:	24months
Lubrication Style:	Lubricated
Cooling System:	Air Cooling
Power Source:	AC Power
Cylinder Position:	Angular

Customization:	Available \|

air compressor

What is the impact of humidity on compressed air quality?

1. Corrosion:

2. Contaminant Carryover:

3. Decreased Efficiency of Pneumatic Systems:

4. Product Contamination:

5. Increased Maintenance Requirements:

6. Adverse Effects on Instrumentation:

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

What are the safety considerations when operating an air compressor?

Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:

1. Read the Manual: Before operating an air compressor, thoroughly read and understand the manufacturer’s instruction manual. Familiarize yourself with the specific safety guidelines, recommended operating procedures, and any specific precautions or warnings provided by the manufacturer.

2. Proper Ventilation: Ensure that the area where the air compressor is operated has adequate ventilation. Compressed air can produce high levels of heat and exhaust gases. Good ventilation helps dissipate heat, prevent the buildup of fumes, and maintain a safe working environment.

3. Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, including safety glasses or goggles, hearing protection, and non-slip footwear. Depending on the task, additional PPE such as gloves, a dust mask, or a face shield may be necessary to protect against specific hazards.

4. Pressure Relief: Air compressors should be equipped with pressure relief valves or devices to prevent overpressurization. Ensure that these safety features are in place and functioning correctly. Regularly inspect and test the pressure relief mechanism to ensure its effectiveness.

5. Secure Connections: Use proper fittings, hoses, and couplings to ensure secure connections between the air compressor, air tools, and accessories. Inspect all connections before operation to avoid leaks or sudden hose disconnections, which can cause injuries or damage.

6. Inspect and Maintain: Regularly inspect the air compressor for any signs of damage, wear, or leaks. Ensure that all components, including hoses, fittings, and safety devices, are in good working condition. Follow the manufacturer’s recommended maintenance schedule to keep the compressor in optimal shape.

7. Electrical Safety: If the air compressor is electric-powered, take appropriate electrical safety precautions. Use grounded outlets and avoid using extension cords unless approved for the compressor’s power requirements. Protect electrical connections from moisture and avoid operating the compressor in wet or damp environments.

8. Safe Start-Up and Shut-Down: Properly start and shut down the air compressor following the manufacturer’s instructions. Ensure that all air valves are closed before starting the compressor and release all pressure before performing maintenance or repairs.

9. Training and Competence: Ensure that operators are adequately trained and competent in using the air compressor and associated tools. Provide training on safe operating procedures, hazard identification, and emergency response protocols.

10. Emergency Preparedness: Have a clear understanding of emergency procedures and how to respond to potential accidents or malfunctions. Know the location of emergency shut-off valves, fire extinguishers, and first aid kits.

By adhering to these safety considerations and implementing proper safety practices, the risk of accidents and injuries associated with operating an air compressor can be significantly reduced. Prioritizing safety promotes a secure and productive working environment.

China Hot selling 50HP/37kw 30% Energy Saving Industrial Permanent Magnet Motor VSD Electric Screw Air Compressor 12v air compressor
editor by CX 2023-12-22

China wholesaler High Performance Variable Frequency Electric Screw Air Compressor Compresor De Aire De Tornillo air compressor lowes

Product Description

High Performance Variable Frequency Electric Screw Air Compressor compresor de aire de tornillo

Model: RDF-125A
Free air delivery: 15.5 m3/min
Working pressure: 8 bar
Control: automatic PLC controller
Driven: direct driven, elastic coupling
Cooling: by air
Starting: Frequency conversion start
Electric motor: VSD 125hp 90kw 380V/50hz/3ph
Discharge temperature: less than ambient +8 ºC
Noise: less than 72 dB(A)
Air outlet size: G2″
Dimension: 2000*1120*1590mm
Weight: 1421kg

Variable frequency screw air compressor:
1. Constant pressure control: It can realize high-precision constant pressure control with a pressure fluctuation range of 0.01 MPa;
2. Variable frequency soft start: Eliminate the CHINAMFG current when starting, avoid grid impact, avoid current impact through step-by-step speed adjustment, and improve flexibility
3. Prevent no-load: The compressor is no-load during operation, reducing ineffective energy consumption;
Permanent magnet motors use high-efficiency rare earth magnets, no loss of magnetism at 180°C, and long service life; energy saving is about 6% to 7% compared with ordinary frequency conversion motors;
It can exert the highest efficiency in a wider range and make the air compressor more energy-saving.

Product Parameters

Technical Parameters

Model	Volume flow m3/min				Power (KW)	Noise (DB)	Outlet diameter	Dimension (mm)			Weight (kg)
Model	0.7Mpa	0.8Mpa	1.0Mpa	1.3Mpa	Power (KW)	Noise (DB)	Outlet diameter	Length	Width	Height	Weight (kg)
RDF-30A	3.7	3.6	3.2	/	22	68	G1	1330	830	1265	400
RDF-40A	5.2	5	/	3.3	30	68	G1	1330	830	1265	500
RDF-50A	6.5	6.2	5.6	4.9	37	69	G1 1/2	1500	940	1415	655
RDF-60A	8.0	7.3	6.0	5.9	45	70	G1 1/2	1500	940	1415	730
RDF-75A	10.1	9.5	8.7	7.3	55	70	G2	1600	1060	1470	945
RDF-100A	13.6	12.8	11.3	9.2	75	72	G2	2000	1120	1590	1291
RDF-125A	16.1	15.5	13.6	12.5	90	72	G2	2000	1120	1590	1421
RDF-150A	21.2	19.6	17.8	15.5	110	72	DN65	2400	1630	1980	2170
RDF-175A	24.1	23.2	19.5	17.8	132	72	DN65	2400	1630	1980	2350
RDF-220A	28.8	27.8	23.0	20	160	72	DN80	2800	1828	2150	3620
RDF-250A	32.5	31.2	27.5	25.8	185	72	DN80	2800	1828	2150	3920
RDF-275A	34.5	34.0	30.5	28.0	200	76	DN80	2800	1828	2150	4200
RDF-300A	36.8	34.7	31.5	29.5	220	76	DN100	3000	1900	1930	4800
RDF-350A	43.0	41.5	38.0	34.9	250	76	DN100	3000	1900	1930	5200
RDF-375A	51.3	50.6	46.0	41.5	280	82	DN100	4360	2150	2258	7500
RDF-420A	56.8	55.9	50.1	42.0	315	82	DN125	4360	2150	2258	7500
RDF-475W	66.1	65.4	55.1	46.0	355	82	DN125	4360	2150	2258	8000
RDF-525W	75.1	74.3	64.5	54.0	400	82	DN125	4360	2150	2258	8200

Packaging & Shipping

1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)

Certifications

Company Profile

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Online Support
Warranty:	24month
Lubrication Style:	Lubricated

Customization:	Available \|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

air compressor

What are the advantages of using rotary vane compressors?

Rotary vane compressors offer several advantages that make them a popular choice for various applications. These compressors are widely used in industries where a reliable and efficient source of compressed air is required. Here are the advantages of using rotary vane compressors:

1. Compact and Lightweight:

Rotary vane compressors are typically compact and lightweight compared to other types of compressors. Their compact design makes them suitable for installations where space is limited, such as in small workshops or mobile applications. The lightweight nature of these compressors allows for easy transportation and maneuverability.

2. High Efficiency:

Rotary vane compressors are known for their high efficiency. The design of the vanes and the compression chamber allows for smooth and continuous compression, resulting in minimal energy losses. This efficiency translates into lower energy consumption and reduced operating costs over time.

3. Quiet Operation:

Rotary vane compressors operate with relatively low noise levels. The design of the compressor, including the use of vibration damping materials and sound insulation, helps to minimize noise and vibrations during operation. This makes rotary vane compressors suitable for applications where noise reduction is important, such as in indoor environments or noise-sensitive areas.

4. Oil Lubrication:

Many rotary vane compressors utilize oil lubrication, which provides several benefits. The oil lubrication helps to reduce wear and friction between the moving parts, resulting in extended compressor life and improved reliability. It also contributes to better sealing and improved efficiency by minimizing internal leakage.

5. Versatile Applications:

Rotary vane compressors are versatile and can be used in a wide range of applications. They are suitable for both industrial and commercial applications, including automotive workshops, small manufacturing facilities, dental offices, laboratories, and more. They can handle various compressed air requirements, from light-duty tasks to more demanding applications.

6. Easy Maintenance:

Maintenance of rotary vane compressors is relatively straightforward. Routine maintenance tasks typically include oil changes, filter replacements, and periodic inspection of vanes and seals. The simplicity of the design and the availability of replacement parts make maintenance and repairs easier and more cost-effective.

These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.

air compressor

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.

Air Leakage:

Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.

Noise Pollution:

Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.

Emissions:

While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.

Proper Waste Management:

Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.

Sustainable Practices:

Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.

By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.

air compressor

How do you choose the right size of air compressor for your needs?

Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:

1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.

2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.

3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.

4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.

5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.

6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.

7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.

8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.

By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.

China wholesaler High Performance Variable Frequency Electric Screw Air Compressor Compresor De Aire De Tornillo air compressor lowes
editor by CX 2023-12-19

China Best Sales Cheap Electric Energy Saving Screw Air Compressor High Efficiency Made for Medical at Nice Price best air compressor

Product Description

Q2: What are the general unit conversion?
1bar = 0.1Mpa = 14.5psi 1m³/min = 35.32cfm 1KW = 1.34HP

Q3: Are you factory or trading company?
We are factory. Our factory is located in 39 Xihu (West Lake) Dis. Rd, HangZhou, ZHangZhoug

Q4: Which trade term can you accept?
FOB, CIF, CFR, EXW, etc.

Q5: How long will you take to arrange production?
15 days for Regular Products, 35 days for Customizing Models

SPECIFICATION

MODEL	LG-15Z-10
Ambient Temperature	-5ºC to +45 ºC
Max Pressure (bar)	1.0
Air Delivery (m3/min)	1.3
Compression Stage	Single Stage Compression
Cooling Method	Air Cooled
Discharge Temperature (ºC)	≤ 75ºC
Oil Cotent (ppm)	≤3
Transmission Method	Direct Driven
Sound Level dB(A)	66±3
Lubricating Oil Amount	7.5L
Motor Power	11KW/15HP
Motor Level Of Protection	IP55
Voltage	380V/3ph/50Hz
Dimensions (mm)	1060×720×1005(LWH)
Weight	290KG
Discharge Outlet Thread	3/4”

Lubrication Style:	Lubricated
Cooling System:	Air Cooling
Power Source:	AC Power
Installation Type:	Stationary Type
Type:	Twin-Screw Compressor
Transmission:	Coupling

Samples:	US$ 980/set 1 set(Min.Order) \| Request Sample

Customization:	Available \|

air compressor

How does variable speed drive technology improve air compressor efficiency?

Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:

1. Matching Air Demand:

Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.

2. Reduced Unloaded Running Time:

Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.

3. Soft Starting:

Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.

4. Energy Savings at Partial Load:

In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.

5. Elimination of On/Off Cycling:

Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.

6. Enhanced System Control:

VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.

By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.

air compressor

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Air Leakage:

Noise Pollution:

Emissions:

Proper Waste Management:

Sustainable Practices:

air compressor

Are there portable air compressors available for home use?

Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:

1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.

2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.

3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.

4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.

5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.

6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.

7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.

When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.

Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.

China Best Sales Cheap Electric Energy Saving Screw Air Compressor High Efficiency Made for Medical at Nice Price best air compressor
editor by CX 2023-12-09

China supplier 11kw 15HP Stationary Industrial Air Cooled Electric Permanent Magnet Variable Frequency Air Compressor Rotary Screw Type Air Compressor Dm-15A best air compressor

Product Description

Product Description
HS series compressors are designed in accordance with the subtropical high temperature and high humidity working environment, and the optimized cooling design ensures that the unit can operate normally in a high temperature environment of 46°C.

Product Feature
1. Adhering to the concept of pursuing high-quality products, HS series compressors are designed in accordance with the subtropical high temperature and high humidity working environment, and the optimized cooling design ensures that the unit can operate continuously and normally in a high temperature environment of 46 °C.

2. Adopt the world-renowned CHINAMFG main motor. The protection grade is IP55. The insulation grade is F grade 100.

3. The gas circuit adopts the stainless steel pipe design of the American SAE standard, with low resistance and strong corrosion resistance, which completely eliminates the common problems of oil leakage, air leakage and air leakage under high pressure.

4. The patented synchronous two-stage compression technology is adopted, so that the compression ratio of each stage of the screw host is less than 6, which is lower than that of the ordinary screw air compressor, which ensures the service life of the screw host.

5. Each stage of the screw host has an independent oil cooling system and an automatic water removal system to ensure that the screw host can run stably around the clock.

6. The powerful third-generation e-Control controller has 6 operation monitoring points to comprehensively monitor the working conditions of the main engine, air filter, oil filter, oil separator, cooler and other important components, so that the compressor can run stably.

Specification

Mode	HSV75A (W)-40	HSV90A (W)-40	HSV110A (W)-40	HSV132A (W)-40
Operating Pressure Bar (g)	40	40	40	40
Motor speed (kw)	75	90	110	132
Exhaust volume (m³/min)	5.5	7.2	9.0	10.0
Cooling method	water cooling	water cooling	water cooling	water cooling
Noise dB(A)	72(75)	74(78)	74(78)	74(78)
Length	2550	3150	3150	3150
Width	1480	1880	1880	1880
Height	1850	1850	1850	1850

Mode	HSV75A (W)-35	HSV110A (W)-30	HSV55A-25	HSV90A-25
Operating Pressure Bar(g)	35	30	25	25
Motor speed (kw)	75	110	55	90
Exhaust volume (m³/min)	7.6	11.0	5.4	9.5
Cooling method	air cooling (water cooling )	air cooling(water cooling )	74(78)	air cooling
Noise dB(A)	72(75)	74(78)	72(75)	74(78)
Length	2550	3150	2550	3150
Width	1480	1880	1480	1880
Height	1850	1850	1850	1850

Mode	HSV180A-25	HSV110A (W)-20
Operating Pressure Ba(g)	25	20
Motor speed (kw)	180	110
Exhaust volume (m³/min)	19.0	12.5
Cooling method	air cooling(water cooling )	air cooling(water cooling )
Noise dB(A)	78(82)	74(78)
Length	3980	3150
Width	1980	1880
Height	1980	1850

After-sales Service:	Online
Lubrication Style:	Lubricated
Cooling System:	Air Cooling

Customization:	Available \|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

air compressor

How are air compressors utilized in the aerospace industry?

Air compressors play a crucial role in various applications within the aerospace industry. They are utilized for a wide range of tasks that require compressed air or gas. Here are some key uses of air compressors in the aerospace industry:

1. Aircraft Systems:

Air compressors are used in aircraft systems to provide compressed air for various functions. They supply compressed air for pneumatic systems, such as landing gear operation, braking systems, wing flap control, and flight control surfaces. Compressed air is also utilized for starting aircraft engines and for cabin pressurization and air conditioning systems.

2. Ground Support Equipment:

Air compressors are employed in ground support equipment used in the aerospace industry. They provide compressed air for tasks such as inflating aircraft tires, operating pneumatic tools for maintenance and repair, and powering air-driven systems for fueling, lubrication, and hydraulic operations.

3. Component Testing:

Air compressors are utilized in component testing within the aerospace industry. They supply compressed air for testing and calibrating various aircraft components, such as valves, actuators, pressure sensors, pneumatic switches, and control systems. Compressed air is used to simulate operating conditions and evaluate the performance and reliability of these components.

4. Airborne Systems:

In certain aircraft, air compressors are employed for specific airborne systems. For example, in military aircraft, air compressors are used for air-to-air refueling systems, where compressed air is utilized to transfer fuel between aircraft in mid-air. Compressed air is also employed in aircraft de-icing systems, where it is used to inflate inflatable de-icing boots on the wing surfaces to remove ice accumulation during flight.

5. Environmental Control Systems:

Air compressors play a critical role in the environmental control systems of aircraft. They supply compressed air for air conditioning, ventilation, and pressurization systems, ensuring a comfortable and controlled environment inside the aircraft cabin. Compressed air is used to cool and circulate air, maintain desired cabin pressure, and control humidity levels.

6. Engine Testing:

In the aerospace industry, air compressors are utilized for engine testing purposes. They provide compressed air for engine test cells, where aircraft engines are tested for performance, efficiency, and durability. Compressed air is used to simulate different operating conditions and loads on the engine, allowing engineers to assess its performance and make necessary adjustments or improvements.

7. Oxygen Systems:

In aircraft, air compressors are involved in the production of medical-grade oxygen for onboard oxygen systems. Compressed air is passed through molecular sieve beds or other oxygen concentrator systems to separate oxygen from other components of air. The generated oxygen is then supplied to the onboard oxygen systems, ensuring a sufficient and continuous supply of breathable oxygen for passengers and crew at high altitudes.

It is important to note that air compressors used in the aerospace industry must meet stringent quality and safety standards. They need to be reliable, efficient, and capable of operating under demanding conditions to ensure the safety and performance of aircraft systems.

air compressor

What is the impact of altitude on air compressor performance?

The altitude at which an air compressor operates can have a significant impact on its performance. Here are the key factors affected by altitude:

1. Decreased Air Density:

As altitude increases, the air density decreases. This means there is less oxygen available per unit volume of air. Since air compressors rely on the intake of atmospheric air for compression, the reduced air density at higher altitudes can lead to a decrease in compressor performance.

2. Reduced Airflow:

The decrease in air density at higher altitudes results in reduced airflow. This can affect the cooling capacity of the compressor, as lower airflow hampers the dissipation of heat generated during compression. Inadequate cooling can lead to increased operating temperatures and potential overheating of the compressor.

3. Decreased Power Output:

Lower air density at higher altitudes also affects the power output of the compressor. The reduced oxygen content in the air can result in incomplete combustion, leading to decreased power generation. As a result, the compressor may deliver lower airflow and pressure than its rated capacity.

4. Extended Compression Cycle:

At higher altitudes, the air compressor needs to work harder to compress the thinner air. This can lead to an extended compression cycle, as the compressor may require more time to reach the desired pressure levels. The longer compression cycle can affect the overall efficiency and productivity of the compressor.

5. Pressure Adjustments:

When operating an air compressor at higher altitudes, it may be necessary to adjust the pressure settings. As the ambient air pressure decreases with altitude, the compressor’s pressure gauge may need to be recalibrated to maintain the desired pressure output. Failing to make these adjustments can result in underinflated tires, improper tool performance, or other issues.

6. Compressor Design:

Some air compressors are specifically designed to handle higher altitudes. These models may incorporate features such as larger intake filters, more robust cooling systems, and adjusted compression ratios to compensate for the reduced air density and maintain optimal performance.

7. Maintenance Considerations:

Operating an air compressor at higher altitudes may require additional maintenance and monitoring. It is important to regularly check and clean the intake filters to ensure proper airflow. Monitoring the compressor’s operating temperature and making any necessary adjustments or repairs is also crucial to prevent overheating and maintain efficient performance.

When using an air compressor at higher altitudes, it is advisable to consult the manufacturer’s guidelines and recommendations specific to altitude operations. Following these guidelines and considering the impact of altitude on air compressor performance will help ensure safe and efficient operation.

air compressor

What is the difference between a piston and rotary screw compressor?

Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:

1. Operating Principle:

Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.

2. Compression Method:

Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.

3. Efficiency:

Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.

4. Noise Level:

Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.

5. Maintenance:

Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.

6. Size and Portability:

Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.

These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.

China supplier 11kw 15HP Stationary Industrial Air Cooled Electric Permanent Magnet Variable Frequency Air Compressor Rotary Screw Type Air Compressor Dm-15A best air compressor
editor by CX 2023-11-21

China supplier Double Stage Pm VSD Electric Rotary Industrial Two Stage Screw Air Compressor portable air compressor

Product Description

Double stage PM VSD Electric Rotary Industrial Screw Type Two Stage Air Compressor For Sale

Permanent magnet variable frequency 2 stage screw air compressor:
1. Constant pressure control: It can realize high-precision constant pressure control with a pressure fluctuation range of 0.01 MPa;
2. Variable frequency soft start: Eliminate the CHINAMFG current when starting, avoid grid impact, avoid current impact through step-by-step speed adjustment, and improve flexibility
3. Prevent no-load: The compressor is no-load during operation, reducing ineffective energy consumption;
Permanent magnet motors use high-efficiency rare earth magnets, no loss of magnetism at 180°C, and long service life; energy saving is about 6% to 7% compared with ordinary frequency conversion motors;
It can exert the highest efficiency in a wider range and make the air compressor more energy-saving.

Technical Parameters

Two-stage PM VSD Screw Air Compressor
Model	Air Delivery (m3/min)				Power (kW)	Noise (Db)	Outlet diameter	Dimension (mm)	Weight (Kg)
Model	7bar	8bar	10bar	13 bar	Power (kW)	Noise (Db)	Outlet diameter	L * W * H	Weight (Kg)
RK30APMII	1.4-4.5	1.3-4.2	1.1-3.5	0.8-2.7	22	68	G11/2	1350x850x1110	600
RK40APMII	1.8-6.0	1.7-5.9	1.4-4.7	1.2-4.0	30	68	G11/2	1200x1000x1350	700
RK50APMII	2.3-7.5	2.1-6.9	1.8-6.0	1.6-5.4	37	68	G11/2	1500x1000x1350	750
RK60APMII	3.2-10.5	3.0-9.9	2.3-7.8	2.0-6.8	45	72	G2	2100x1300x1650	1250
RK75APMII	4.1-13.6	3.8-12.5	3.0-10.1	2.3-7.5	55	76	G2	2100x1300x1650	1300
RK100APMII	4.8-16.0	4.7-15.5	3.8-12.8	3.1-10.2	75	76	G2	2100x1300x1650	1350
RK125APMII	6.2-20.7	5.9-19.5	4.8-16.2	4.2-14.0	90	76	DN80	2500x1650x1900	2700
RK150APMII	7.4-24.8	7.2-24.0	6.1-20.2	4.8-16.0	110	76	DN80	2500x1650x1900	2800
RK180APMII	8.7-29.0	8.4-28.0	7.1-23.7	5.7-19.0	132	78	DN80	2500x1650x1900	3000
RK220APMII	10.2-34.0	9.8-32.5	8.4-28.0	6.9-23.0	160	78	DN80	3000x1900x1950	4300
RK250APMII	11.7-39.0	10.8-36.0	9.6-32.0	8.3-27.5	185	78	DN80	3000x1900x1950	4400
RK275APMII	13.1-43.5	12.3-41.0	10.7-35.5	9.5-31.5	200	78	DN100	3600x2200x2200	5000
RK300APMII	15.5-51.5	14.5-48.3	11.6-38.5	10.7-35.5	220	82	DN100	3600x2200x2200	5500
RK350APMII	16.2-54.0	15.3-51.0	13.5-45.0	11.4-38.0	250	82	DN100	3600x2200x2200	6000
RK380APMII	18.0-60.0	17.1-57.0	15.0-50.0	12.9-43.0	280	82	DN125	3600x2200x2200	6800
RK420APMII	19.5-65.0	18.6-62.0	16.8-56.0	15.2-50.5	315	82	DN125	4200x2300x2350	8000
RK480APMII	22.5-75.0	21.9-73.0	19.2-64.0	16.5-55.0	355	82	DN150	4200x2200x2350	8500
RK540APMII	25.2-84.0	24.6-82.0	21.6-72.0	18.3-61.0	400	82	DN150	4200x2200x2350	9800

Two stage air end
Feature:Two-stage compressor air-end
Advantage:Low compression ratio, Low temperature rising, Low air leakage
Benefit:15% energy-saving

High-efficiency Motor
Feature:IE4 permanent magnet motor/IE4 High-efficiency motor
Advantage:Motor efficiency 97%
Benefit:5% energy-saving

Intelligent control
Feature:VFD system
Advantage:Constant pressure output to remove pressure fluctuation and off-load, Constant temperature output at 9-~85°C, Low starting current to protect components
Benefit:15% energy-saving

Smart display screen
Feature:Intelligent control system
Advantage:10 inch monitor to show all the date
Benefit:Simple operation and touble free

Cooling fan
Feature:Large cooler system
Advantage:Axial flow Fan used for good cooling effect
Benefit:Allow ambient temperature at 52°C

Systematic Design of Oil separator
Feature:Large oil system
Advantage:Reduce internal pressure loss avoid oil, Leakage for safety
Benefit:3% energy-saving

Filter
Feature:Double filtering system
Advantage:Remove impurity from air and cleanness
Benefit:Longer life air -end and lubrication oil

Air inlet valve
Feature:High vacuum degree:700mmHg
Advantage:Large suction area, Low load energy consumption in unloaded operation,
Fast check: prevent unloading and shutdown oil injection
Benefit:Cast aluminum to avoid rust and temperature change

Certifications

Two-stage compression variable frequency air compressors are widely used in electronics, metallurgy, aerospace, pipelines, furniture processing, machinery, petroleum gas, printing plants, plastic products, power plants, blow molding, painting, casting, spraying, automotive industry, metal industry , shipping terminals, food industry, textile factories, beverage factories and other industries.

Packaging & Shipping

Packaging & Shipping
1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)

Successful cases

Company Profile

ZheJiang CHINAMFG Machinery Co., Ltd. is a company dedicated to the production and research and development of various gas compression equipment. The company was established in 2012 and has a total of 5 licensed technical engineers. Mainly engaged in air, nitrogen, CO2 and other special gas compression equipment and after-treat equipment. With the development in recent years, the company has established a foreign trade team in ZheJiang , and hired foreign trade consultants with 10 years of industry experience to better serve customers worldwide. With excellent quality and the support of 30 distributors worldwide, our annual sales in 2018 exceeded 5 million US dollars. We look CHINAMFG to working with you to create a better tomorrow!

Product process

After Sales Service

1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in CHINAMFG air compressor factory or working site.
5.All kinds of technical documents in different languages.

After-sales Service:	Online Support
Warranty:	24month
Lubrication Style:	Lubricated

Customization:	Available \|

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air compressor

What are the advantages of using rotary vane compressors?

1. Compact and Lightweight:

2. High Efficiency:

3. Quiet Operation:

4. Oil Lubrication:

5. Versatile Applications:

6. Easy Maintenance:

These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.

air compressor

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Air Leakage:

Noise Pollution:

Emissions:

Proper Waste Management:

Sustainable Practices:

air compressor

What are the safety considerations when operating an air compressor?

Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:

China supplier Double Stage Pm VSD Electric Rotary Industrial Two Stage Screw Air Compressor portable air compressor
editor by CX 2023-11-17

China Hot selling Electric Low-Pressure Rotary Screw Air Compressor Cheap Price CHINAMFG Compresor De Aire 5bar Industrial Air Compressor manufacturer

Product Description

Low Pressure Screw Air Compressor
♦ Intelligent Touch-Screen Design
♦ Direct-driven
♦ Air Cooling
♦ Oil Filter
♦ Air Filter
♦ Stainless Steel
♦ Piping Design

Product Features

1.Specially designed PM motor.

2.Enhanced energy savings.

3.Low Energy Consumption,Low running,maintenance cost.

4.Aptitude and intelligent Control, integrated touch-screen PLC displayer.

5.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss.

6.Easy to install,operate,maintain.

Specially designed PM motor:

The PM motor efficiency is even higher than IE3 premium efficiency motors. The motor uses high performance magnetic materials giving many advantages such as bearing free operation, grease free maintenance, direct 1:1 coupling without transmission losses, low noise and low vibration leading to a compact structure.

Enhanced Energy Savings:

When demand is low the PM low pressure compressor firstly reduces the speed to maintain the correct flow demand. If the air demand stops the compressor enters standby mode, saving further energy. The compressor automatically restarts and runs when the pressure drops below its setpoint.

The latest generation intelligent touchscreen controller:

SCR’s latest touchscreen interface allows simple intelligent control for your compressor. Pressure and scheduling times can be easily programmed allowing you to automatically start and stop the compressor to match production times. Remote operation and real time monitoring are built in the controller as standard.

Specially designed oil pipe system:

The oil system has been specially designed to reduce maintenance downtime and extend the periods between maintenance visits.

Model	Pressure (mpa)	Displacement (m3/min)	Power (kw)	Dimension (mm)	Weight (kg)	Air Outlet
LPS-0.5/15	0.5	3.87	15	90011501260	610	G1 1/2″
LPS-0.3/22	0.3	7.16	22	15509801360	840	G2″
LPS-0.5/22	0.5	6.3	22	90011501260	690	G2″
LPS-0.3/30	0.3	9.2	30	168010501395	890	G2″
LPS-0.5/30	0.5	8.22	30	15509801360	840	G2″
LPS-0.3/37	0.3	12.1	37	180012501600	1740	DN65
LPS-0.5/37	0.5	9.8	37	168010501395	890
LPS-0.3/45	0.3	15	45	257112501650	1810
LPS-0.5/45	0.5	12	45	180012501600	1740
LPS-0.3/55	0.3	19.3	55	257112501650	1920	DN80
LPS-0.5/55	0.5	15	55	257112501650	1810
LPS-0.3/75	0.3	24.7	75	250016001800	3110
LPS-0.5/75	0.5	19.1	75	257112501650	1920
LPS-0.3/90	0.3	28.8	90	250016001800	3230	DN100
LPS-0.5/90	0.5	21.5	90	250016001800	3110
LPS-0.3/110	0.3	33	110	310015502200	3350
LPS-0.5/110	0.5	28.8	110	250016001800	3230
LPS-0.3/132	0.3	45.5	132	310015502200	4350	DN125
LPS-0.5/132	0.5	34.7	132	277020502200	3570
LPS-0.3/160	0.3	47	160	290018602000	4700
LPS-0.5/160	0.5	41.2	160	277020502200	4550
LPS-0.3/185	0.3	50	185	290018602000	4770
LPS-0.5/185	0.5	47.4	185	277020502200	4550
LPS-0.3/200	0.3	55.7	200	290018602000	4880
LPS-0.5/200	0.5	51.5	200	277020502200	4550

ZheJiang CHINAMFG Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
    1.1 Oil-free screw air compressor
    1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
    2.1 Piston air compressor
    2.2 Oil-free piston air compressor
    2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
    3.1 Diesel or Electric portable screw air compressor
    3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
    4.1 CHINAMFG or Adsorption compressed air drier
    4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.

Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.

Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.

After-sales Service:	Online Support
Warranty:	1 Years
Lubrication Style:	Lubricated
Cooling System:	Air Cooling
Power Source:	AC Power
Structure Type:	Closed Type

Samples:	US$ 1500/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \|

air compressor

How does variable speed drive technology improve air compressor efficiency?

1. Matching Air Demand:

2. Reduced Unloaded Running Time:

3. Soft Starting:

4. Energy Savings at Partial Load:

5. Elimination of On/Off Cycling:

6. Enhanced System Control:

air compressor

How do you maintain proper air quality in compressed air systems?

1. Air Filtration:

2. Moisture Control:

3. Oil Removal:

4. Regular Maintenance:

5. Air Receiver Tank Maintenance:

6. Air Quality Testing:

7. Education and Training:

8. Documentation and Record-Keeping:

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

Are there air compressors specifically designed for high-pressure applications?

Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:

1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.

2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.

3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.

4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:

Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.

5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.

When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.

High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.

China Hot selling Electric Low-Pressure Rotary Screw Air Compressor Cheap Price CHINAMFG Compresor De Aire 5bar Industrial Air Compressor manufacturer
editor by CX 2023-11-11