Introducing our revolutionary Energy Efficient Industrial Screw Air Compressor, meticulously engineered for Powder Conveying applications. This Closed Type Low Pressure Stationary Screw Air Compressor is the ideal choice for Cement Mixing Plants, Flour Mills, Coal Ash handling, and Mineral Powder processing. Available in a versatile range of power options - 11KW, 22KW, 37KW, 45KW, and 55KW - it guarantees unparalleled performance and reliability.
Why Choose the Sanzhi Dust Special Compressor?
Our Special Low Pressure Air Compressor for Dust Conveying is meticulously engineered to handle dust, cement, and other particulates with unmatched efficiency. Operating within a versatile pressure range of 0.15-0.4Mpa, it showcases a direct drive mechanism coupled with a robust, large head and low rotational speed. Leveraging advanced German technology, the compressor's state-of-the-art oil-air separation structure ensures minimal noise and vibration. Its installation is hassle-free, requiring no foundation. The rapid flow rate of compressed air, with oil content maintained below 2PPM, guarantees optimal air volume. Additionally, the radiator's innovative design eliminates the need for an after-cooling device, thereby preventing moisture in materials like cement and flour, and averting issues such as coking and caking for seamless conveying.
Sanzhi's Special Low Pressure Air Compressor for Dust Conveying is a versatile and highly efficient solution tailored for various applications including cement, mineral powder, coal ash unloading, and textile fermentation. This cutting-edge compressor significantly saves energy and enhances productivity. For example, unloading a 9.6-meter cement tanker with a conventional device can take over 1.5 hours and consume substantial fuel. In stark contrast, our 37KW air compressor completes the task in just 40 minutes, dramatically boosting efficiency and yielding considerable cost savings.
Direct-Connected Rotation Motor
Featuring an insulation grade of F and a protective grade of IP55, this motor ensures consistent performance with a stable flow rate, constant load, and superior efficiency. It is engineered for long-lasting durability, making it an ideal choice for demanding industrial applications.
German Technology Air End
Our air end, designed with German technology, incorporates a large rotor and low-speed design. This ensures high efficiency, low noise, minimal vibration, and outstanding reliability. It also features reduced leakage and superior volumetric efficiency, making it a top-tier component for industrial performance.
Smart Button Screen
The user-friendly smart button screen is designed for ease of use, offering clear and concise functions. Its simple operation, fast response times, and vivid display colors make maintenance straightforward and efficient.
Cooling System
Engineered with a large heat exchange area, our cooling system effectively prevents high temperatures, reducing oil emulsification and coking. This design maintains optimal machine performance and ensures longevity.
Reliable Oil and Air Separator
Our vertical tangential cyclone separation structure ensures thorough oil and air separation, simplifying cartridge replacement, and reducing maintenance costs. This reliable system guarantees efficient operation and ease of maintenance.
Safe and Zero Leakage Connection
Departing from traditional low-cost hydraulic hoses, Sanzhi employs high-rigid pipes and flexible joint connections. These innovations prevent bursts and ensure a flexible seal with rubber-type O-rings, guaranteeing zero leakage for maximum safety and reliability.
Aluminum Intake Valve
Operated by an electric load, our aluminum intake valve offers unloading and air replenishing capabilities while significantly reducing noise. It ensures stable and durable performance, featuring a smooth, wear-resistant surface for long-term use.
Oil Viewing Mirror
Constructed from high-quality PMMA material, our oil viewing mirror provides excellent transparency, high-temperature resistance, and minimal color change. It allows for visual monitoring of oil levels and lubrication, ensuring timely replacements to prevent equipment damage.
Excellent Air Filter
Our air filter is designed for superior air purification, maintaining a clean air system through a three-stage filtration process. It effectively removes steam and small dust particles, meets standard emissions, and ensures optimal air quality, making it a critical component for industrial environments.
| Model |
Power |
Pressure |
Free air delivery* of unit at working pressure |
Voltage |
Frequency |
Noise Level |
Air outlet discharge size |
Weight |
Dimensions |
| KW |
Mpa |
m³/min |
V |
Hz |
dB(A) |
Inch |
Kg |
L*W*H(mm) |
| SZ7.5 |
7.5 |
0.15-0.4 |
1.91 |
380 |
50 |
62 |
G3/4" |
300 |
700*700*1020 |
| SZ11 |
11 |
0.15-0.4 |
2.7 |
380 |
50 |
62 |
G3/4" |
320 |
700*700*1020 |
| SZ15 |
15 |
0.15-0.4 |
3.2 |
380 |
50 |
63 |
G1" |
530 |
1250*780*1220 |
| SZ18 |
18.5 |
0.15-0.4 |
4.5 |
380 |
50 |
65 |
G1" |
560 |
1250*780*1220 |
| SZ22 |
22 |
0.15-0.4 |
5.3 |
380 |
50 |
66 |
G1" |
570 |
1250*780*1220 |
| SZ30 |
30 |
0.15-0.4 |
7.1 |
380 |
50 |
67 |
G1½" |
740 |
1500*940*1350 |
| SZ37 |
37 |
0.15-0.4 |
10.0 |
380 |
50 |
68 |
G1½" |
770 |
1500*940*1350 |
| SZ45 |
45 |
0.15-0.4 |
11.0 |
380 |
50 |
70 |
G1½" |
1060 |
1800*1100*1600 |
| SZ55 |
55 |
0.15-0.4 |
13.0 |
380 |
50 |
73 |
G2"/DN50 |
1250 |
1800*1100*1600 |
| SZ75 |
75 |
0.15-0.4 |
18.0 |
380 |
50 |
73 |
G2"/DN50 |
1480 |
1900*1200*1700 |
| SZ90 |
90 |
0.15-0.4 |
21.0 |
380 |
50 |
78 |
DN80 |
2030 |
2200*1600*1800 |
| SZ110 |
110 |
0.15-0.4 |
27.0 |
380 |
50 |
78 |
DN80 |
2450 |
2250*1600*1800 |
| SZ132 |
132 |
0.15-0.4 |
32.0 |
380 |
50 |
78 |
DN80 |
2550 |
2300*1700*1900 |
| SZ160 |
160 |
0.15-0.4 |
40.0 |
380 |
50 |
78 |
DN80 |
2710 |
2800*1900*2000 |
| SZ185 |
185 |
0.15-0.4 |
45.0 |
380 |
50 |
78 |
DN100 |
3800 |
2800*1760*1920 |
| SZ200 |
200 |
0.15-0.4 |
48.0 |
380 |
50 |
78 |
DN100 |
4100 |
3300*2200*2000 |
| SZ220 |
220 |
0.15-0.4 |
53.0 |
380 |
50 |
78 |
DN100 |
4950 |
3000*2100*2150 |
| SZ250 |
250 |
0.15-0.4 |
60.0 |
380 |
50 |
78 |
DN100 |
5200 |
3000*2100*2150 |
| SZ315 |
315 |
0.15-0.4 |
75.0 |
380 |
50 |
78 |
DN100 |
5650 |
3500*2250*2150 |
| SZ355 |
355 |
0.15-0.4 |
85.0 |
380 |
50 |
78 |
DN100 |
5750 |
3500*2250*2150 |
| Due to product updates, the above parameters are subject to deviation in kind. |
Unmatched Durability
Engineered for relentless performance, capable of 24-hour non-stop operation and can endure start/stop cycles up to 3 million times.
Smart and Intelligent Control
Equipped with a safe and reliable electrical system, complemented by a user-friendly computer intelligent control for seamless operation.
Effortless Usability
Designed with a simple structure, ensuring easy installation, operation, and maintenance.
Superior Energy Efficiency
Enhanced work efficiency significantly reduces energy consumption, leading to impressive cost savings ranging from 30-50%.
Advanced High-Temperature Shutdown Protection
Automatically shuts down when operating temperatures are excessively high to safeguard the equipment and eliminate potential safety hazards.
1. Price Advantage
By offering customers direct ex-factory prices, we ensure you remain highly competitive in the market.
2. Direct Deal
We supply all products straight from the factory, ensuring that you receive the most cost-effective solutions available.
3. OEM & ODM Services
Leveraging our robust production and management capabilities, we offer comprehensive OEM/ODM services tailored to your needs.
4. Customized Service
We accept non-standard orders, including export orders, and custom specifications for voltage, power, pressure, etc. Contact us to discuss your specific requirements.
5. Accept Small Orders
Place a small trial order to experience the superior quality of our products firsthand.
6. Fast Delivery
Enjoy the benefits of high-quality products coupled with timely delivery.
7. Complete Authorization
For our valued distributors, we provide a full authorization certificate, granting you the right to sell SANZHI brand products with confidence.
About us
Sanzhi (Henan) Compressor Co., Ltd, with over a decade of industry expertise, specializes in manufacturing top-notch screw air compressors and screw vacuum pumps. Our diverse product line encompasses normal pressure/low-pressure screw air compressors, permanent magnet frequency conversion screw air compressors, two-stage compression screw air compressors, screw air compressors for laser cutting, and various mobile screw air compressors including single-tank, double-tank, electric, and diesel options, as well as high-performance screw vacuum pumps.
Our production process is highly efficient, supported by state-of-the-art multi-air compressor assembly lines. With a dedicated team of over 50 employees, we leverage advanced ERP management systems to minimize lead times and ensure rapid delivery of high-quality products.
Certified with the ISO9001 quality management system, our stringent quality control measures guarantee the excellence of each machine. Every unit undergoes thorough material inspection, production scrutiny, and pre-delivery testing to meet the highest standards.
In pre-sales, we guide customers in selecting the ideal air equipment tailored to their needs, offering high customization options in appearance and configuration, including OEM solutions for unique requirements. Our professional sales and service team ensures swift and effective after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, we are committed to providing superior and reliable products, fostering long-term customer relationships. Our hallmarks are efficient delivery, high-quality machinery, and competitive pricing, promising you a satisfying compressed air solution.
Located in Xinzheng City, Henan Province, China, our factory is easily accessible. Visitors can be picked up from Xinzheng International Airport, a short 30-kilometer journey taking about one hour. We warmly welcome you to visit our company!
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer specializing in screw air compressors with over 10 years of experience.
Q2. How do you control quality?
A: 1. We conduct stringent inspections on all raw materials.
2. We enforce strict control over installation procedures.
3. Each machine undergoes at least 5 continuous hours of testing before shipment.
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. The voltage and frequency in your country (V/Hz)
4. Additional accessories needed such as an air tank, filters, or air dryers.
Provide us with these details, and we'll design a tailored 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 compressors are available in multiple voltages: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p. Custom voltages can be arranged to meet your specific needs.
Q6. How long is the delivery time?
A: For standard voltage, the delivery time is approximately 15 working days after order confirmation. For non-standard requirements, please contact our sales team for more details.
Q7. What's the payment term?
A: Our payment terms are as follows: 30% T/T in advance, 40% T/T before shipment, and the remaining 30% T/T upon receipt of the B/L copy. We accept payments in both USD and RMB.
Q8. How about your warranty?
A: We offer a comprehensive warranty: one year for the entire machine and two years for the screw air compressor, excluding consumable spare parts.
Q9. What about the maintenance?
A: Initial maintenance is required after 500 hours of operation. Subsequent maintenance should be performed every 2000-3000 hours, taking into account the actual working environment.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are designed to operate efficiently in high-temperature environments, with a working temperature range from -20° to 45° (-4ºF to 113ºF).
Q11. Do you offer OEM service?
A: Yes, we offer both OEM and ODM services. Our professional design team is ready to cater to your specific requirements.
Q12. How long could your air compressor be used?
A: Typically, our air compressors have a durability of over 10 years with proper maintenance.
Q13. Will you provide some spare parts for the machines?
A: Yes, we certainly provide spare parts for our machines.
Q14. How about your after-sales service?
A: We provide comprehensive after-sales support, including online installation and commissioning guidance. Additionally, we can arrange for our engineers to assist with training and installation on-site.
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