Discover the cutting-edge Permanent Magnet Variable Frequency Screw Type Air Compressor, available in a wide range of power options including 7.5kw, 11kw, 15kw, 22kw, 30kw, 37kw, 45kw, 55kw, 75kw, 90kw, 110kw, 132kw, 160kw, 185kw, 200kw, and 250kw. Designed for efficiency and performance, this versatile compressor meets diverse industrial needs with unparalleled energy-saving capabilities.
| 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 sophisticated pressure sensor to instantaneously detect the actual usage pressure and air consumption within the system. Utilizing precise electric and frequency converter control, it dynamically adjusts the motor speed without altering the motor torque. This allows the system pressure to be regulated, ensuring the output of compressed air meets demand perfectly. When system air consumption decreases and the compressor output exceeds system needs, the inverter air compressor reduces its rotational speed, consequently lowering the compressed air output. Conversely, if increased compressed air is needed, it accelerates the motor speed to stabilize system pressure, maintaining an impeccable balance.
By incorporating advanced vector control technology, the unit operates efficiently across a broad range of speeds while minimizing motor temperature rise. This ensures optimal and adequate torque to drive the air compressor seamlessly. The motor current, derived from the torque component and other vector control mechanisms, is meticulously managed. This technology distributes the motor's current values to enhance torque generation and manage other current components. Vector control techniques offer optimal compensation for voltage drops at the motor end, empowering the motor to deliver maximum torque without increasing current.
Advantages of Permanent Magnet Variable Frequency Screw Air Compressor
High Efficiency and Energy Saving
The frequency conversion regulation substantially reduces the actual power consumption of the compressor, ensuring that energy is efficiently utilized for air compression. This optimization translates into significant energy savings and operational efficiency.
Cost Reduction
The innovative permanent magnet frequency conversion technology slashes energy costs by over 35%, and the overall life cycle cost of compressors is reduced by an average of 22%. This remarkable cost-efficiency means that the additional investment in the compressor pays for itself within 1 to 2 years.
Steady Pressure
Employing the PID (Proportional, Integral, Derivative) method, our exclusive compressor is finely tuned to maintain consistent system pressure, ensuring operational stability and reliability.
Life Extension
The frequency conversion start mechanism minimizes the impact on the power grid and machinery, significantly extending the service life of the compressor.
Top Quality
Featuring top-quality imported bearings and the latest rotor profile development, our compressors boast large rotors, substantial displacement, low speed, and low noise. This advanced design enhances efficiency and production quality, setting a new standard for excellence.
1. Unmatched Price Advantage
We offer factory-direct pricing, empowering our customers with a competitive edge in the market.
2. Seamless Direct Transactions
All our products are supplied straight from the factory, ensuring you receive the most cost-effective solutions.
3. Comprehensive OEM & ODM Services
Our factory's robust production and management capabilities allow us to provide exceptional OEM and ODM services tailored to your needs.
4. Tailored Customization Services
We accommodate non-standard, export orders, and specific requests for voltage, power, and pressure. Reach out to us with your unique requirements.
5. Flexibility with Small Orders
Begin with a small trial order to experience the superior quality of our products firsthand.
6. Rapid and Reliable Delivery
Our high-quality products are coupled with prompt delivery, ensuring you get what you need, when you need it.
7. Comprehensive Distributor Authorization
We provide full authorization certificates for distributors, enabling you to confidently sell our SANZHI brand products.
Sanzhi (Henan) Compressor Co., Ltd is a seasoned manufacturer specializing in the production of high-performance screw air compressors and screw vacuum pumps, boasting over a decade of industry expertise. Our extensive product portfolio features an array of options, including standard 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, single-tank and double-tank mobile screw air compressors, electric and diesel mobile screw air compressors, and advanced screw vacuum pumps, among others.
In production, our state-of-the-art, lean, and modern multi-air compressor assembly lines enable us to achieve unparalleled efficiency. Supported by a dedicated team of over 50 skilled employees, we continuously refine our management systems, including ERP, to significantly reduce lead times and ensure the swift delivery of high-quality products.
In management, our factory proudly holds ISO9001 quality management system certification. We unwaveringly adhere to stringent quality management protocols, meticulously implementing standard quality control procedures. Each machine undergoes rigorous material inspection, production inspection, and pre-delivery inspection, ensuring the highest standards of quality.
In customer service, our pre-sales team provides expert guidance to help customers select the optimal air equipment tailored to their specific needs, offering high levels of customization in appearance and configuration. We also excel in creating bespoke products to meet the unique demands of our dealers through OEM. Additionally, our professional sales and service team stands ready to deliver prompt and efficient after-sales support, ensuring customer satisfaction at every stage.
At Sanzhi (Henan) Compressor Co., Ltd, our commitment is to deliver exceptional and reliable products while cultivating long-term relationships with our clients. With our emphasis on efficient delivery, superior quality, and competitive pricing, we are your trusted partner in providing comprehensive compressed air solutions.
Our factory is conveniently located in Xinzheng City, Henan Province, China. We can arrange transportation from Xinzheng International Airport to our facility, a brief 30-kilometer journey that takes approximately one hour. We warmly welcome you to visit our company and explore our offerings firsthand!
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. Meticulous control over installation procedures.
3. Comprehensive testing of each machine for a minimum of 5 continuous hours before dispatch.
Q3. What information must I provide to get the suitable machine?
1. Desired air delivery capacity (Units: CFM or m³/Min).
2. Required working pressure (Units: PSI, Bar, or MPa).
3. Voltage and frequency specifics of your country (Units: V/Hz).
4. Need for any additional accessories like an air tank, filters, or air dryers.
Share these details with us, and we will craft a tailored scheme for you!
Q4. What is the general unit conversion?
1 Bar = 0.1 MPa = 14.5 PSI
1 m³/min = 35.32 cfm
1 KW = 1.34 HP
Q5. What is the available voltage air compressor?
A: Sanzhi offers voltages of 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Customization is available upon request.
Q6. How long is the delivery time?
A: For standard voltage orders, 15 working days post confirmation. For non-standard requirements, please consult 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. Payments can be made in USD or RMB.
Q8. How about your warranty?
A: One year comprehensive warranty for the entire machine, with two years for the screw air compressor, excluding consumable parts.
Q9. What about the maintenance?
A: The first maintenance is required after 500 hours of operation. Subsequent maintenance should be performed every 2000-3000 hours, based on actual conditions.
Q10. Can machines be run in high-temperature environment?
A: Absolutely. Our machines are designed to operate in high-temperature conditions, with a working range of -20° to 45° (-4°F to 113°F).
Q11. Do you offer OEM service?
A: Yes, we provide OEM & ODM services, backed by our professional design team.
Q12. How long could your air compressor be used?
A: Typically, our air compressors have a lifespan exceeding 10 years.
Q13. Will you provide some spare parts for the machines?
A: Certainly, spare parts are available.
Q14. How about your after-sales service?
A: We offer online guidance for installation and commissioning, with our engineers ready to assist with training and setup.
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