Introducing our cutting-edge Permanent Magnet Variable Frequency Screw Type Air Compressor. Available in an extensive range of power options including 7.5kw, 11kw, 15kw, 22kw, 30kw, 37kw, 45kw, 55kw, 75kw, 90kw, 110kw, 132kw, 160kw, 185kw, 200kw, and 250kw. Engineered for unparalleled efficiency and performance, this air compressor sets a new standard in industrial applications. Choose Sanzhi (Henan) Compressor Co., Ltd. for reliability and innovation in every product.
| Model |
Power |
Pressure |
Free air delivery* of unit at working pressure |
Cooling System |
Working Temperature |
Voltage |
Frequency |
Noise Level |
Air outlet discharge size |
Weight |
Dimensions |
| KW |
Mpa |
m³/min |
ºC |
V |
Hz |
dB(A) |
Inch |
Kg |
L*W*H(mm) |
| SZ08VF |
7.5 |
0.8 |
1.15 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
65 |
G3/4 |
320 |
900*700*920 |
| 1.0 |
1.00 |
| SZ11VF |
11 |
0.8 |
1.00-1.60 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
65 |
G3/4 |
330 |
900*700*920 |
| 1.0 |
0.90-1.50 |
| 1.3 |
0.82-1.20 |
| SZ15VF |
15 |
0.8 |
2.30 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
65 |
G1 |
450 |
1040*800*990 |
| 1.0 |
2.20 |
| 1.3 |
1.70 |
| SZ22VF |
22 |
0.8 |
1.00-3.60 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
65 |
G1 |
550 |
1040*800*990 |
| 1.0 |
0.90-3.00 |
| 1.3 |
0.82-2.80 |
| SZ37VF |
37 |
0.8 |
6.60 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
68 |
G1½ |
750 |
1430*1000*1300 |
| 1.0 |
6.00 |
| 1.3 |
4.80 |
| SZ45VF |
45 |
0.8 |
2.10-8.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
68 |
G1½ |
1050 |
1430*1000*1300 |
| 1.0 |
1.90-6.50 |
| 1.3 |
1.80-5.60 |
| SZ55VF |
55 |
0.8 |
10.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
72 |
G2 |
1450 |
1800*1200*1500 |
| 1.0 |
8.80 |
| 1.3 |
7.80 |
| SZ75VF |
75 |
0.8 |
3.30-13.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
72 |
G2 |
1750 |
1800*1200*1500 |
| 1.0 |
3.10-11.20 |
| 1.3 |
2.70-10.5 |
| SZ90VF |
90 |
0.8 |
16.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
72 |
G2 |
2000 |
2000*1200*1500 |
| 1.0 |
11.20 |
| 1.3 |
10.50 |
| SZ110VF |
110 |
0.8 |
5.20-20.50 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
75 |
DN80 |
2550 |
2500*1500*1700 |
| 1.0 |
4.90-19.00 |
| 1.3 |
4.40-16.50 |
| SZ132VF |
132 |
0.8 |
24.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
75 |
DN80 |
2950 |
2500*1500*1700 |
| 1.0 |
22.00 |
| 1.3 |
19.00 |
| SZ160VF |
160 |
0.8 |
7.30-29.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
75 |
DN80 |
3150 |
2650*1650*1800 |
| 1.0 |
6.50-26.20 |
| 1.3 |
5.30-24.50 |
| SZ185VF |
185 |
0.8 |
32.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
75 |
DN80 |
3500 |
2650*1650*1800 |
| 1.0 |
29.00 |
| 1.3 |
26.00 |
| SZ200VF |
200 |
0.8 |
36.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
75 |
DN80 |
3860 |
2650*1650*1800 |
| 1.0 |
33.00 |
| 1.3 |
29.00 |
| SZ250VF |
250 |
0.8 |
40.00 |
Air Cooling |
<Ambient temperature+15ºC |
380 |
50 |
75 |
DN80 |
3860 |
2650*1650*1800 |
| 1.0 |
36.00 |
| 1.3 |
32.00 |
| Due to product updates, the above parameters are subject to deviation in kind. |
Working Principle
A permanent magnet frequency conversion air compressor leverages a pressure sensor to instantly detect the actual usage pressure and air consumption within the system. Utilizing precise control via an electric and frequency converter, it adjusts motor speed while maintaining the torque of the air compressor motor. This regulation ensures the system pressure is modulated to deliver compressed air according to demand. If system air consumption decreases, and the compressor provides more air than needed, the inverter air compressor reduces its rotational speed, thereby cutting down the compressed air output. Conversely, when higher air output is required, the motor speed increases to ensure stable system pressure.
Harnessing advanced vector control technology, our unit operates efficiently over a broad range of speeds while minimizing motor temperature rise to deliver adequate and smooth torque. The motor current is composed of the torque component generated by the motor. Vector control technology optimizes this by apportioning the motor's current values to determine the torque and other necessary current components. This technology adeptly compensates for voltage drops at the motor end, ensuring it can output maximum torque without increasing the current.
Advantages of Permanent Magnet Variable Frequency Screw Air Compressor
High Efficiency and Energy Saving
Frequency conversion regulation significantly lowers the actual power consumption of the frequency conversion compressor, ensuring efficient energy application to air compression.
Cost Reduction
With permanent magnet frequency conversion technology, energy costs are slashed by over 35%, and the life cycle cost of compressors can be reduced by an average of 22%. The initial extra expense of the compressor can typically be recovered within 1 to 2 years.
Steady Pressure
The PID (proportional, differential, integral) method is employed to precisely adjust the compressor, maintaining system pressure stability.
Extended Lifespan
Frequency conversion startup minimizes the impact on the power grid and machinery, significantly extending service life.
Top Quality
Incorporating top-quality imported bearings and the latest rotor profile research, our compressor boasts a large rotor, high displacement, low speed, and low noise, all contributing to enhanced efficiency and superior production quality.
1. Unmatched Price Advantage
We provide customers with factory-direct prices, ensuring you stay ahead in the competitive landscape.
2. Direct Transactions
All our products come straight from the factory, offering you unparalleled cost efficiency.
3. Comprehensive OEM & ODM Services
Our factory's robust production and management capabilities enable us to offer comprehensive OEM/ODM services tailored to your needs.
4. Bespoke Customisation
We accommodate non-standard, export, voltage/power/pressure orders. Customization is our specialty-reach out with your specific requirements.
5. Flexible Small Orders
Start with a small trial order to evaluate the superior quality of our products.
6. Swift Delivery
Enjoy timely delivery coupled with the highest quality products.
7. Full Authorization Support
Distributors receive complete authorization certificates, empowering you to market our SANZHI brand products with confidence.
Sanzhi (Henan) Compressor Co., Ltd is a distinguished manufacturer specializing in the production of advanced screw air compressors and innovative screw vacuum pumps, boasting over a decade of industry experience. Our comprehensive product range encompasses normal pressure/low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion screw air compressors, high-efficiency two-stage compression screw air compressors, precision screw air compressors tailored for laser cutting, versatile single-tank mobile screw air compressors, robust double-tank mobile screw air compressors, electric mobile screw air compressors, powerful diesel mobile screw air compressors, and efficient screw vacuum pumps, among others.
In our state-of-the-art production facility, we achieve unparalleled efficiency through the deployment of lean and modern multi-air compressor assembly lines. With the dedication of over 50 skilled employees, we continuously refine our management systems, including ERP, to significantly reduce lead times and ensure rapid delivery of premium-quality products.
Our commitment to excellence in management is demonstrated by our ISO9001 quality management system certification. We rigorously adhere to stringent quality management protocols and meticulously follow standard quality control processes. Each machine undergoes thorough material inspection, meticulous production inspection, and rigorous pre-delivery inspection to guarantee exceptional quality.
Our exemplary customer service begins with a professional pre-sales consultation, offering expert guidance in selecting the ideal air equipment for various applications and providing extensive customization options, including unique appearance and configurations. We also excel in creating bespoke OEM products to fulfill specific dealer requirements. For after-sales support, our highly trained sales and service team ensures prompt and efficient responses to customer inquiries.
At Sanzhi (Henan) Compressor Co., Ltd, we are dedicated to delivering superior and reliable products, fostering long-term customer relationships. Our hallmarks are efficient delivery, high-quality machines, and competitive pricing, making us your trusted partner for all compressed air solutions.
Our factory is strategically located in Xinzheng City, Henan Province, China. We offer convenient transportation from Xinzheng International Airport, with a brief 30-kilometer journey to our facility taking approximately one hour. We warmly welcome you to visit our company!
Successful Cases
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a professional manufacturer of screw air compressors, boasting over a decade of specialized experience.
Q2. How do you control quality?
A: 1. All raw materials undergo rigorous inspection.
2. Installation procedures are meticulously overseen.
3. Every machine is required to successfully pass a minimum of 5 hours of continuous testing before dispatch.
Q3. What information must I provide to get the suitable machine?
1. Desired air delivery capacity (Unit: CFM or m³/Min)
2. Required working pressure (Unit: PSI, Bar or Mpa)
3. Voltage and frequency specifications for your location (V/Hz)
4. Any additional accessories needed, such as an air tank, filters, or air dryers.
Share this information with us, and we will propose an optimal solution tailored for you!
Q4. What is the general unit conversion?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32cfm
1KW = 1.34HP
Q5. What is the available voltage air compressor?
A: Sanzhi offers air compressors with voltages including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, and can customize according to your specific requirements.
Q6. How long is the delivery time?
A: For standard voltage machines, delivery is within 15 working days post-order confirmation. For non-standard requirements, please contact our sales team.
Q7. What's the payment term?
A: 30% T/T in advance, 40% T/T before shipment, and the remaining 30% T/T against the B/L copy. Payments can be made in USD or RMB.
Q8. How about your warranty?
A: We offer a one-year warranty for the entire machine and a two-year warranty for the screw air compressor, excluding consumable spare parts.
Q9. What about maintenance?
A: Initial maintenance is required after 500 hours of operation, followed by regular maintenance every 2000-3000 hours, depending on the actual operating environment.
Q10. Can machines be run in high-temperature environments?
A: Yes, our machines are designed to operate efficiently in high-temperature environments, with a working temperature range from -20° to 45°(-4ºF-113ºF).
Q11. Do you offer OEM service?
A: Absolutely, with our professional design team, both OEM and ODM orders are highly welcomed.
Q12. How long could your air compressors be used?
A: Typically, our air compressors have a lifespan of over 10 years.
Q13. Will you provide some spare parts for the machines?
A: Yes, certainly.
Q14. How about your after-sales service?
A: We provide customers with online installation and commissioning instructions, and can also arrange for our engineers to assist with training and installation.
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