Discover the unparalleled efficiency and precision of our Permanent Magnet Variable Frequency Screw Type Air Compressors. Available in a range of power options including 7.5kw, 11kw, 15kw, 22kw, 30kw, 37kw, 45kw, 55kw, 75kw, 90kw, 110kw, 132kw, 160kw, 185kw, 200kw, and 250kw, these compressors are engineered for maximum performance. Perfectly designed to meet the demanding needs of various industrial applications, they promise reliability, energy savings, and advanced control. Trust in Sanzhi (Henan) Compressor Co., Ltd. for cutting-edge solutions tailored for the pharmaceutical sector.
| 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 employs a cutting-edge pressure sensor to instantly detect the actual usage pressure and air consumption within the system. Through precise calibration of the electric and frequency converter, it dynamically adjusts the motor speed while maintaining the air compressor motor's torque. This sophisticated regulation ensures the system pressure is perfectly aligned with the demand for compressed air. When the system's air consumption decreases, and the compressor output surpasses the demand, the inverter air compressor seamlessly lowers its rotational speed, thereby reducing the compressed air output. Conversely, it increases the motor speed when more compressed air is needed, ensuring a stable system pressure is consistently maintained.
Utilizing advanced vector control technology, this unit operates efficiently across a wide range of speeds. It simultaneously minimizes motor temperature rise, delivering optimal torque to drive the air compressor smoothly. The motor's current is composed of torque-generating components and other vector control elements that distribute the current values. This technology expertly compensates for voltage drops at the motor end, allowing the motor to provide maximum torque without increasing current, ensuring unparalleled performance and efficiency.
Advantages of Permanent Magnet Variable Frequency Screw Air Compressor
High Efficiency and Energy Saving
Frequency conversion regulation significantly reduces the actual power consumption of the compressor, making energy utilization for air compression incredibly effective.
Cost Reducing
Leveraging permanent magnet frequency conversion technology, energy costs are slashed by over 35%, and the life cycle cost of compressors decreases by an average of 22%. This investment typically pays for itself within 1 to 2 years, making it a highly economical choice.
Steady Pressure
Employing the PID (proportional, differential, integral) method, the exclusive compressor is fine-tuned to maintain system pressure stability with pinpoint accuracy.
Life Extension
Frequency conversion startup significantly reduces the impact on the power grid and machinery, effectively extending the service life of the compressor.
Top Quality
Featuring top-quality imported bearings and the latest rotor profile technology, the compressor boasts large rotors, high displacement, low speed, and minimal noise. These enhancements drive efficiency and elevate production quality to new heights.
1. Price Advantage
We provide factory-direct pricing, ensuring our customers enjoy the most competitive rates in the market.
2. Direct Deal
Our products are supplied straight from the factory, offering our customers more cost-effective solutions.
3. OEM & ODM Services
Leveraging our robust production and management capabilities, we offer comprehensive OEM and ODM services tailored to your needs.
4. Customised Service
We cater to non-standard, export, and specific voltage/power/pressure orders. Customization is our forte. Reach out with your requirements.
5. Small Orders Accepted
Start with a small trial order to evaluate the exceptional quality of our products.
6. Fast Delivery
Enjoy high-quality products with prompt and reliable delivery.
7. Complete Authorisation
Distributors receive full authorization certificates, empowering you to sell our esteemed SANZHI brand products with confidence.
Sanzhi (Henan) Compressor Co., Ltd, a distinguished manufacturer with over 10 years of expertise, specializes in the production of state-of-the-art screw air compressors and screw vacuum pumps. Our extensive product line offers a broad range of solutions including normal pressure and low-pressure screw air compressors, permanent magnet frequency conversion screw air compressors, two-stage compression screw air compressors, specialized screw air compressors for laser cutting, and various mobile screw air compressors such as single-tank, double-tank, electric, and diesel models. Additionally, we provide highly efficient screw vacuum pumps to meet diverse industrial needs.
Our production capabilities are enhanced by our modern, lean multi-air compressor assembly lines, ensuring the most efficient manufacturing process. With the dedication of our over 50 skilled employees, we continually optimize our management systems, including ERP, to significantly reduce lead times and deliver high-quality products swiftly.
Our commitment to quality management is evident as our factory is certified under the ISO9001 quality management system. We consistently adhere to stringent quality management protocols, ensuring every machine undergoes rigorous material inspection, production inspection, and pre-delivery inspection before it reaches our customers.
In terms of customer service, we provide comprehensive pre-sales support, guiding customers in selecting the ideal air equipment for various facilities. We offer high customization options in appearance and allocation, and can even create unique, OEM products tailored to meet dealer-specific demands. Our dedicated sales and service team ensures a swift and professional response to all customer inquiries and after-sales needs.
At Sanzhi (Henan) Compressor Co., Ltd, we are committed to delivering superior, reliable, and stable products, fostering long-term partnerships with our customers. We strive for efficient delivery, exceptional machine quality, and competitive pricing, making us your trustworthy partner in providing satisfactory compressed air solutions.
Our factory is conveniently situated in Xinzheng City, Henan Province, China. We offer complimentary pickup from Xinzheng International Airport to our facility, a short 30-kilometer, one-hour journey. We warmly welcome you to visit our company and experience our operations firsthand!
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 expertise in the industry.
Q2. How do you control quality?
A: 1. Rigorous inspection of all raw materials.
2. Strict adherence to installation procedures.
3. Each machine undergoes a minimum of 5 hours of continuous testing before dispatch.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (Unit: CFM or m³/Min).
2. Desired working pressure (Unit: PSI, Bar or Mpa).
3. Voltage and frequency of your country (V/Hz).
4. Need for additional accessories such as an air tank, filters, or air dryers.
Share your requirements, and we will tailor the perfect solution 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 voltages including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, and can customize to your specifications.
Q6. How long is the delivery time?
A: Standard voltage delivery is within 15 working days post-order confirmation. For non-standard, please contact our sales team.
Q7. What's the payment term?
A: 30% T/T in advance, 40% T/T before shipment, and 30% T/T against the B/L copy. We accept USD and RMB.
Q8. How about your warranty?
A: One year for the entire machine and two years for the screw air compressor, excluding consumable spare parts.
Q9. What about the maintenance?
A: The first maintenance should be done after 500 hours, followed by regular maintenance every 2000-3000 hours, considering the actual operating environment.
Q10. Can machines be run in high-temperature environments?
A: Absolutely, our machines can operate in high-temperature environments, with a working temperature range from -20° to 45° (-4ºF-113ºF).
Q11. Do you offer OEM service?
A: Yes, we warmly welcome both OEM & ODM orders, supported by our professional design team.
Q12. How long could your air compressor 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: Certainly, we provide spare parts as needed.
Q14. How about your after-sales service?
A: We offer online guidance for installation and commissioning, and can arrange for our engineers to assist with training and installation.
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