Tag Archives: variable frequency drive screw

China OEM High-Efficiency Direct Drive 4.5kw-250 Kw Oil-Injected Variable Frequency Rotary Screw Air Compressor with CE mini air compressor

Product Description

 

Product Details

 

 Product Features

PM VSD screw air compressor, is a type of screw air compressor that employs permanent magnet synchronous motor (PMSM) and frequency conversion speed control technology.
The main advantages of this screw air compressors are:
Energy saving and high efficiency: Compared with traditional asynchronous motors, permanent magnet inverter motors have higher energy utilization efficiency, and can maintain high power utilization and output power stability under both full load and partial load conditions.

Stable operation: the frequency converter can control a smoother start of the compressor, reduce the impact on the supporting power grid and the mechanical wear and tear of the machine itself, to extend the service life of the equipment.

Low noise: inverter operation can effectively reduce the noise level of the compressor at low load.

Intelligent: Equipped with an intelligent control system, the permanent magnet inverter motor can accurately control the compressor’s working status, distribute the load and achieve more efficient energy use.

Lower maintenance costs: when start-up, frequency conversion air compressor reduces the impact on the power grid and mechanical parts of the equipment, the service life is greatly increased of the compressor’s parts (the motor contactor, motor bearings, host bearings). Energy efficient controller makes the air compressor be in the loading state when at most working time, the relevant solenoid valves and pneumatic components have greatly reduced the number of actions, the failure rate of electrical and mechanical parts is greatly reduced.

Model List

 

Technical Parameters Of PM VSD Screw Air Compressor  -JXPMX Series

This series adopt direct drive mode and variable frequency startup, the standard power supply is 380V/50Hz, and 110V~480V voltage and 60Hz is Optional
 

Model Pressure
(MPa)
Pressure
(psi)
FAD
(m3/min)
FAD
(CFM)
Power
 (kW/hp)
Dimension 
(mm)
Noise
(dB)
Weight
(Kg)
Pipe
Diameter
JX-6APMX 0.8 116 0.68 24 4.5/ 6 800*500*750 ≤58±2 103 G3/4
JX-10APMX 0.8 116 1.1 38.8 7.5/ 10 800*600*860 ≤60±2 120 G1/2
1 145 0.9 31.8
1.3 188 0.7 24.7
JX-15APMX 0.8 116 1.7 60 11/ 15 1050*750*1040 ≤62±2 180 G3/4
1 145 1.6 56.5
1.3 188 1 35.3
JX-20APMX 0.8 116 2.4 84.7 15/ 20 1050*750*1040 ≤65±2 207 G3/4
1 145 2.2 77.7
1.3 188 1.8 63.6
JX-30APMX 0.8 116 3.5 123.6 22/ 30 1160*800*1180 ≤65±2 280 G1
1 145 3 105.9
1.3 188 2.5 88.3
JX-40APMX 0.8 116 5.2 183.6 30/ 40 1250*950*1270 ≤65±2 360 G1
1 145 4.3 151.8
1.3 188 3.2 113
JX-50APMX 0.8 116 6.1 215.4 37/ 50 1250*950*1270 ≤66±2 438 G1 1/2
1 145 5.3 187.1
1.3 188 4.6 162.4
JX-60APMX 0.8 116 7.4 261.3 45/ 60 1250*1000*1370 ≤68±2 486 G1 1/2
1 145 6.8 240.1
1.3 188 5.7 201.3
JX-75APMX 0.8 116 9.5 335.4 55/ 75 1600*1140*1530 ≤70±2 998 G2
1 145 8.2 289.5
1.3 188 6.8 240.1
JX-100APMX 0.8 116 12.2 430.8 75/ 100 1750*1240*1600 ≤70±2 1096 G2
1 145 10.9 384.9
1.3 188 9.1 321.3
JX-125APMX 0.8 116 15.3 540.2 90/ 125 2350*1450*1830 ≤82±2 1320 G2
1 145 13.4 473.2
1.3 188 11.6 409.6
JX-150APMX 0.8 116 19.8 699.1 110/ 150 2550*1680*1900 ≤82±2 2680 DN80
1 145 16.4 579.1
1.3 188 14.5 512.0
JX-175APMX 0.8 116 23 812.1 132/ 175 2550*1680*1900 ≤82±2 2900 DN80
1 145 19.5 688.5
1.3 188 16.2 572.0
JX-200APMX 0.8 116 27.2 960.4 160/ 200 3050*1900*2000 ≤84±2 4150 DN80
1 145 22.6 798.0
1.3 188 21.2 748.6
JX-250APMX 0.8 116 30 1059.3 185/ 250 3050*1900*2000 ≤84±2 4320 DN80
1 145 27.2 960.4
1.3 188 23.3 822.7
JX-270APMX 0.8 116 33 1165.2 200/ 270 3620*2200*2250 ≤86±2 5350 DN100
1 145 29 1571.0
1.3 188 25.4 896.9
JX-300APMX 0.8 116 38 1341.8 220/ 300 3620*2200*2250 ≤86±2 5600 DN100
1 145 32 1129.9
1.3 188 28.6 1009.9
JX-340APMX 0.8 116 43 1518.3 250/ 340 3620*2200*2250 ≤86±2 5960 DN100
1 145 37.5 1324.1
1.3 188 31.2 1101.7

Presentation of all aspects

 

In our product showcase, the air compressor stands as a testament to our commitment to precision work for better quality. Every component, from the robust motor to the intricate valves, is crafted with meticulous attention to detail in our specialized workshops.
Our air compressor production begins with precision cutting and shaping of sheet metal, ensuring a CHINAMFG foundation. Components are assembled with meticulous care, from welding to the installation of noise-reducing mufflers, and coated for protection. Rigorous testing and careful packaging guarantee quality and safe delivery, reflecting our commitment to CHINAMFG in every compressor we craft.

Our air compressor production begins with precision cutting and shaping of sheet metal, ensuring a CHINAMFG foundation. Components are assembled with meticulous care, from welding to the installation of noise-reducing mufflers, and coated for protection. Rigorous testing and careful packaging guarantee quality and safe delivery, reflecting our commitment to CHINAMFG in every compressor we craft.

Our factory integrates advanced machinery to craft top-quality air compressors. Laser cutting and bending machines create precise metal components, while welding builds a durable structure. Test equipment ensures performance and safety, spray booths protect and enhance aesthetics, and efficient forklift handling streamlines production, delivering reliable products to our customers.

Customer testimonials overwhelmingly reflect high satisfaction with our air compressor products and service. Clients are consistently impressed by the durability and performance of our air compressors, noting their superior quality and suitability for various industrial needs. Ease of installation, impressive power output, and the smooth operation of our machines are frequently highlighted as key attributes.

Air compressors play a key role in many scenarios. In laboratory gas supply, they ensure precise and stable air pressure; in automotive spraying and metal stamping, they provide efficient power to improve production efficiency. In wood processing and rock drilling, air compressors drive tools to realize precise operation; in plastic production lines, stable airflow helps molding to ensure product quality. These application scenarios fully demonstrate the indispensability of air compressors in modern industrial production.

At exhibitions and customer visits, we carefully demonstrate the outstanding performance and innovative technology of our air compressors, allowing visitors to experience the advantages of their use in a wide range of industrial applications. From laboratory gas supply to automotive spraying, from metal stamping to wood processing to plastics production, the power and flexibility of air compressors were demonstrated in all aspects. Through on-site demonstrations and interactive exchanges, we not only enhanced our customers’ understanding of the product performance, but also collected valuable feedback

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air compressor

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

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 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.

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editor by lmc 2025-02-24