China Professional Industrial Rotary Screw Air Compressor 7bar Permanent Magnet CHINAMFG 8bar Factory Price 10bar 13bar 60HP 45kw Air Cooled Pm VSD Compresor De Aire best air compressor

Product Description

 Permanent-Magnet Variable Frequency Screw Compressor

♦ Intelligent Touch-Screen Design

♦ Direct-driven

♦ Air Cooling

♦ Oil Filter

♦ Air Filter 

♦ Stainless Steel

♦ Piping Design

Product features
One shaft type structure
1. Permanent magnet motor and airend use the embedded integrated Shaft connecting structure, more compact, 100% transmission Efficiency.
2. No motor bearings, eliminating the motor bearing fault points. Different speeds, permanent magnet
 
 
motor with high efficiency, Remarkable energy-saving effect
1. At rated speed point, permanent magnet motor efficiency is higher Than ordinary motors.
2. Under low motor speed, permanent magnet motor can still keep high Motor efficiency. If the gas consumption less, it still keeps extremely High efficiency. Compared with common frequency conversion
3: Motor, the motor efficiency appears obvious gap and the air Compressor has effective energy saving
It has the integrated structure, configuration of high efficiency Permanent magnet motor, small size, saving space, easy disassembly. Deloying efficient permanent magnet variable frequency controllor, it Small volume, low noise Can change the speed of the permanent magnet motor according to The exhaust volume, it will achieve lower operation noise than ordinary Ones.
4. Permanent magnet motor has high performance NdFeB permanent Magnet, 120 º Cwithout loss of excitation, and service life of over 15 Years.
5. Stator coil adopts special inverter corona resistant enamelled wire. Insulation performance and longer service life.
6. Realizing soft start, the motor current will not exceed the full load Current during operation, and greatly reduce the impact on network Equipment, no damage to electrical equipment.OSG-EZV series permanent magnet compressor Stable operation.

Energy-saving advantages:
a. Permanent magnet motor has high performance NdFeB permanent Magnet, 120 º Cwithout loss of excitation, and service life of over 15 Years.
b. Stator coil adopts special inverter corona resistant enamelled wire. Insulation performance and longer service life.
c. Realizing soft start, the motor current will not exceed the full load Current during operation, and greatly reduce the impact on network Equipment, no damage to electrical equipment.OSG-EZV series permanent magnet compressor
Energy-saving advantages:
 
Condition energy saving
1: The permanent magnet motor remains high efficiency at low speeds, ensuring Obvious energy-saving advantages in small air volume.
2: Frequency range from 0%-100% (common conversion from 60%-100%)
3: Compared with the fixed speed compressor, energy saving 22%-40%
4: Compared with the common inverter compressor, energy saving 5%-15%
5: System volume fluctuations larger, then energy-saving effect more obviously.
6: Energy saving system of unloading (inverter):
According to the stationary air compressors in gas consumption fluctuation, it has the unloading time, then the air compressor idling but also need 45% of the Electricity, but the permanent-magnet frequency air compressor will control for Inverter, no unloading and no waste. If the air compressor units become larger,
Energy saves more. Save the wasted electric energy by pressure control bandwidth (energy saving):
Fixed compressor must set a minimum control pressure for the 1Barg band (i. E. Air Compressor limits) to avoid the impact on the unit and the power grid. Several Machines must use together with a pressure gradient, more wide pressure, while the OSG permanent-magnet variable-frequency Air compressor series is inverter control,Unlimited stop, no need to set pressure, but a pressure point on the line. The pressureOf each 0.14Barg bandwidth, the system can save energy 1%.
 
Energy saving startup (inverter):
Air compressor’ s starting current is 3-6 times of the rated current, the frequently Start will waste a lot of energy, and frequency conversion type has no frequent Starting and stopping, but soft start. The maximum current does not exceed the Rated working current, no energy waste. At the same time also greatly reduce the Impact on network equipment, and no damage to electrical equipment OSG company has obtained a compressor production license(certificate NO: XK06-571-0571), has obtained a quality systemCertificate and general machinery certificate. Product design,Manufacturing processes are strict in accordance with ISO9001: 2008 quality system standards

Model Pressure
(mpa)
Displacement
(m³/min)
Power
(kw)
Dimension
(mm)
Weight
(kg)
Outlet Size
PV-0.7/22 0.7  4.2  22 1500*900*1220 700 Rp1″
PV-0.8/22 0.8  4.1 
PV-1.0/22 1.0  3.5 
PV-1.3/22 1.3  3.2 
PV-0.7/37 0.7  7.0  37 1650*1050*1360 900 Rp1 1/2″
PV-0.8/37 0.8  7.1 
PV-1.0/37 1.0  5.8 
PV-1.3/37 1.3  5.4 
PV-0.7/45 0.7  9.8  45 1800*1250*1600 1000 Rp2″
PV-0.8/45 0.8  9.7 
PV-1.0/45 1.0  7.8 
PV-1.3/45 1.3  6.5 
PV-0.7/55 0.7  12.2  55 2150*1350*1650 1500 Rp2″
PV-0.8/55 0.8  12.0 
PV-1.0/55 1.0  9.6 
PV-1.3/55 1.3  8.6 
PV-0.7/75 0.7  16.8  75 2250*1350*1760 1800 Rp2″
PV-0.8/75 0.8  16.5 
PV-1.0/75 1.0  12.5 
PV-1.3/75 1.3  11.2 
PV-0.7/90 0.7  19.8  90 2450*1770*1560 2000 Rp2″
PV-0.8/90 0.8  19.2 
PV-1.0/90 1.0  16.9 
PV-1.3/90 1.3  14.3 
PV-0.7/110 0.7  23.6  110 2670*1770*1880 2300 Rp2″
PV-0.8/110 0.8  23.1 
PV-1.0/110 1.0  19.7 
PV-1.3/110 1.3  17.6 
PV-0.7/132 0.7  30.0  132 2750*1860*1900 2800 Rp3″
PV-0.8/132 0.8  28.0 
PV-1.0/132 1.0  23.5 
PV-1.3/132 1.3  19.8 
PV-0.7/160 0.7  34.5  160 2900*2100*2300 3000 DN125
PV-0.8/160 0.8  33.6 
PV-1.0/160 1.0  30.0 
PV-1.3/160 1.3  28.3 
PV-0.7/185 0.7  41.0  185 3000*2100*2300 3300 DN125
PV-0.8/185 0.8  38.4 
PV-1.0/185 1.0  32.5 
PV-1.3/185 1.3  28.6 
PV-0.7/200 0.7  44.6  200 3300*2000*2280 3500 DN125
PV-0.8/200 0.8  43.0 
PV-1.0/200 1.0  38.5 
PV-1.3/200 1.3  32.8 
PV-0.7/220 0.7  48.6  220 3500*2200*2340 4000 DN125
PV-0.8/220 0.8  47.0 
PV-1.0/220 1.0  41.9 
PV-1.3/220 1.3  38.0 
PV-0.7/250 0.7  55.0  250 3500*2200*2340 4500 DN125
PV-0.8/250 0.8  54.0 
PV-1.0/250 1.0  46.0 
PV-1.3/250 1.3  40.0 

 

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 Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

  • 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
  • 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
  • 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
  • 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
  • 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
  • 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
  • 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

air compressor

Can Screw Compressors Be Used for Medical Air Supply?

Yes, screw compressors can be used for medical air supply. Here’s a detailed explanation:

Screw compressors are commonly employed in various applications, including medical air supply systems. Medical air is a critical utility in healthcare facilities, used for various purposes such as respiratory therapy, anesthesia, and surgical tools. Here are some key points to consider:

1. Reliability and Efficiency:

Screw compressors are known for their reliability and efficiency. They can provide a continuous and reliable source of compressed air, ensuring a stable supply for medical applications. The rotary screw design allows for smooth and efficient compression, minimizing energy consumption and maximizing system performance.

2. Oil-Free Operation:

In medical applications, it is crucial to ensure the purity of the compressed air. Screw compressors can be designed and certified to provide oil-free air, eliminating the risk of oil contamination in the medical air supply. Oil-free screw compressors incorporate specialized sealing systems and filtration to prevent oil carryover, making them suitable for medical air applications.

3. Air Quality Standards:

Medical air must meet specific air quality standards to ensure patient safety and treatment effectiveness. Standards such as the European Pharmacopoeia (Ph. Eur.) or the United States Pharmacopeia (USP) define the required purity levels for medical air, including limits on particulate matter, moisture content, and microbial contamination. Screw compressors can be equipped with appropriate filtration and purification systems to meet these standards.

4. Integrated Drying and Filtration:

Some screw compressors designed for medical air applications incorporate integrated drying and filtration systems. These systems remove moisture and contaminants from the compressed air, ensuring it meets the required quality standards. Integrated drying systems can include refrigerated dryers, desiccant dryers, or membrane dryers, depending on the specific needs of the medical air supply system.

5. Redundancy and Backup Systems:

Medical air supply systems often require a high level of reliability and continuity. Screw compressors can be configured with redundancy and backup systems to ensure uninterrupted supply. Multiple compressors can be installed in parallel, with automatic switching mechanisms to maintain supply in case of a compressor failure or maintenance activities.

6. Monitoring and Alarms:

Modern screw compressors used in medical air supply systems often feature advanced monitoring capabilities. They can continuously monitor and record key parameters such as pressure, temperature, and system performance. Alarms and alerts can be configured to notify operators or maintenance personnel in case of abnormal conditions or potential issues with the compressor.

7. Compliance with Standards and Regulations:

When using screw compressors for medical air supply, it is essential to comply with relevant standards and regulations. These may include medical device regulations, electrical safety standards, and guidelines specific to medical gas systems. Compliance ensures that the medical air supply system meets the necessary safety and quality requirements.

In summary, screw compressors can be used for medical air supply, providing reliable and efficient compressed air for various medical applications. With their reliability, oil-free operation, adherence to air quality standards, integrated drying and filtration capabilities, and the ability to incorporate redundancy and monitoring features, screw compressors are well-suited for medical air supply systems in healthcare facilities.

air compressor

What Are the Key Components of a Screw Compressor?

A screw compressor consists of several key components that work together to compress air or gas. Here’s a detailed explanation of these components:

1. Male and Female Rotors:

The male and female rotors are the primary components of a screw compressor. These helical rotors have specially designed profiles that interlock with each other. The male rotor typically has fewer lobes or threads compared to the female rotor. As the rotors rotate, the interlocking lobes create compression chambers that gradually reduce in volume, compressing the air or gas.

2. Compression Chamber:

The compression chamber is formed by the interlocking lobes of the rotors. It is the space where the air or gas is compressed as the rotors rotate. The volume of the compression chamber decreases as the lobes move towards the discharge end, resulting in the compression of the trapped air or gas.

3. Inlet and Outlet Ports:

The inlet port is the entry point through which the air or gas enters the screw compressor. It is typically located at the suction side of the compressor. The inlet port allows the air or gas to flow into the compression chamber during the suction process. The outlet port is the exit point through which the compressed air or gas is discharged from the compressor.

4. Drive System:

The drive system of a screw compressor consists of a motor and a drive mechanism. The motor provides the rotational power required to drive the rotors. Common types of drive mechanisms include direct drive, belt drive, and gear drive. The drive system ensures that the rotors rotate in opposite directions at the desired speed and synchronization.

5. Oil System (in oil-injected compressors):

In oil-injected screw compressors, an oil system is present to provide lubrication, cooling, and sealing between the rotors. The oil system typically includes an oil reservoir, an oil pump, oil filters, and oil coolers. The lubricating oil is injected into the compression chamber, where it forms a thin film on the rotors, reducing friction and minimizing wear.

6. Cooling System:

Screw compressors often incorporate a cooling system to maintain optimal operating temperatures. The cooling system may include air or water-cooled heat exchangers, which dissipate the heat generated during compression. Cooling ensures that the compressor operates within safe temperature limits, preventing overheating and prolonging the lifespan of the components.

7. Control System:

A control system is an essential component of a screw compressor, providing monitoring and regulation of various parameters. It may include sensors, controllers, and safety devices to measure and control variables such as pressure, temperature, and operating conditions. The control system ensures efficient and safe operation of the screw compressor.

8. Sound Attenuation and Vibration Isolation:

To reduce noise and vibration, screw compressors are often equipped with sound attenuation measures and vibration isolation systems. These components help in minimizing the noise and vibrations generated during operation, making the compressor suitable for noise-sensitive environments.

In summary, the key components of a screw compressor include the male and female rotors, compression chamber, inlet and outlet ports, drive system, oil system (in oil-injected compressors), cooling system, control system, and sound attenuation/vibration isolation components. These components work together to enable the efficient compression of air or gas in the screw compressor.

China Professional Industrial Rotary Screw Air Compressor 7bar Permanent Magnet CHINAMFG 8bar Factory Price 10bar 13bar 60HP 45kw Air Cooled Pm VSD Compresor De Aire   best air compressorChina Professional Industrial Rotary Screw Air Compressor 7bar Permanent Magnet CHINAMFG 8bar Factory Price 10bar 13bar 60HP 45kw Air Cooled Pm VSD Compresor De Aire   best air compressor
editor by CX 2023-10-08

Natural gas screw compressor

As one of the natural gas screw compressor manufacturers, suppliers, and exporters of mechanical products, We offer natural gas screw compressor and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of natural gas screw compressor.

Recent Posts