Introducing our Special Screw Air Compressor, meticulously designed for optimal powder conveying applications. This state-of-the-art, closed-type, low-pressure stationary screw air compressor stands as the quintessential solution for a variety of sectors including cement mixing plants, flour mills, coal ash handling, and mineral powder processing. Engineered to provide seamless efficiency, it comes in a diverse range of power options such as 11KW, 22KW, 37KW, 45KW, and 55KW. Each model promises exceptional performance and unwavering reliability, precisely tailored to meet and exceed your industrial demands.
Why Choose the Sanzhi Dust Special Compressor?
The primary function of the specialized low-pressure air compressor designed for dust conveying is to efficiently transport dust, cement, and similar materials. Operating within a pressure range of 0.15-0.4Mpa, this advanced machine utilizes a direct drive system, featuring a large head and low rotational speed. Engineered with a unique oil-air separation structure inspired by German technology, it ensures low noise and minimal vibration, eliminating the need for any foundational installation. The compressor's rapid airflow ensures that the compressed air has an oil content of less than 2PPM, guaranteeing the required air volume. The radiator operates without an after-cooling device, as moisture must be avoided during the conveying process to prevent caking and coking, which can severely impact performance. This meticulously designed compressor supports optimum conveying efficacy, whether for cement, dust, or even fine materials like flour.
Sanzhi presents a specialized low-pressure air compressor perfectly tailored for dust conveying with diverse applications, including cement, mineral powder, coal ash unloading, and textile fermentation. This high-efficiency, energy-saving solution significantly boosts productivity and cost savings. For instance, unloading a 9.6-meter cement tanker using traditional methods typically takes at least 1.5 hours and is fuel-intensive and inefficient. In contrast, employing a 37KW air compressor from Sanzhi reduces this time to just 40 minutes, drastically enhancing efficiency, conserving energy, and reducing operational costs.
Direct-Connected Rotation Motor
Insulation Grade F, Protective Grade IP55, Stable Flow Rate. Enjoy consistent load performance and exceptional durability with high efficiency.
German Technology Air End
The air end boasts a large rotor and low-speed design, ensuring high efficiency, minimal noise, reduced vibration, and incredible reliability. Experience reduced leakage and superior volume efficiency.
Smart Button Screen
Featuring concise and user-friendly functions, this intuitive operation panel is easy to use, offers rapid response times, and a clear display, ensuring seamless maintenance.
Cooling System
Designed with a large heat exchange area to effectively prevent high-temperature malfunctions and reduce oil emulsification and coking caused by elevated temperatures.
Reliable Oil and Air Separator
With a vertical tangential cyclone separation structure, this system ensures thorough separation of oil and air, simplifies cartridge replacement, and lowers maintenance costs.
Safe and Zero Leakage Connection
Sanzhi revolutionizes the industry by moving away from traditional low-cost hydraulic hose designs. Utilizing high-rigid pipes and flexible joint connections, this system avoids bursts due to aging, while the rubber-type O-ring provides a flexible seal to prevent leakage.
Aluminum Intake Valve
Designed to load with electricity and unload with its loss, this valve features air replenishing and noise elimination functions for the host. It offers stable, durable performance with a smooth, wear-resistant surface.
Oil Viewing Mirror
Constructed from high-quality material, this mirror offers outstanding transparency, high-temperature resistance, and minimal color change. Easily monitor oil levels and lubricating oil usage for timely replacements and additions, helping to prevent equipment damage.
Excellent Air Filter
Designed with superior air purification capabilities, this air filter ensures a clean air system through three-stage filtration. It maximizes air purification, meets standard emissions requirements, and effectively removes steam and dust particles.
Oil Filter
Efficiently filters impurities from the lubricating oil, enhancing lubrication for the head and extending the lifespan of the air compressor.
High-Quality Soundproof Cotton
This compact noise reduction housing achieves zero vibration amplitude during operation and, combined with high-quality soundproof cotton, significantly improves noise reduction levels.
| 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. |
Built to Last: Experience the extraordinary ruggedness and unparalleled durability of our compressor, designed to withstand the harshest industrial environments.
Engineered for Continuous Performance: Our top-tier compressor effortlessly supports 24-hour non-stop operation and boasts the capability to endure start/stop cycles up to an impressive 3 million times.
Intelligent Control System
Safety and Reliability with Humanized Intelligence: Featuring a cutting-edge electrical system paired with an intuitive computer intelligent control, our compressor guarantees smooth, secure, and user-friendly operations.
User-Friendly Design
Effortless Operation: Crafted with a simplified structure, our compressor ensures easy installation, straightforward operation, and minimal maintenance, making it ideal for diverse industrial applications.
Energy Efficiency
Cutting-Edge Energy Savings: Our advanced compressor optimizes work efficiency to significantly reduce energy consumption, delivering cost savings of 30-50%, enhancing both sustainability and profitability.
Advanced High-Temperature Shutdown Protection
Automatic Safety Measures: Equipped with automatic shutdown features, our system proactively safeguards the equipment by shutting down if the operating temperature exceeds safe limits, thus eliminating potential safety hazards.
1. Unmatched Pricing Advantage
We offer exclusive factory-direct pricing, securing our customers a distinctive competitive edge in the marketplace.
2. Direct Transactions
All our products are dispatched directly from our factory, ensuring we deliver the most cost-effective solutions.
3. Comprehensive OEM & ODM Services
With our strong production and management capabilities, we provide bespoke OEM/ODM services tailored to your specific demands.
4. Tailored Customization Services
We embrace non-standard orders, including export, customized voltage, power, pressure, and more. Contact us to fulfill your unique requirements.
5. Small Order Friendly
Initiate with a small trial order to assess the outstanding quality of our products.
6. Prompt Delivery
Enjoy the perfect blend of superior-quality products and timely delivery.
7. Full Authorization Support
We equip our distributors with comprehensive authorization certificates, empowering you to confidently market our SANZHI brand products.
SUCCESSFUL CASES
About us
Sanzhi (Henan) Compressor Co., Ltd is a premier manufacturer specializing in high-performance screw air compressors and vacuum pumps. With over a decade of expertise, our extensive product lineup includes: normal and low-pressure screw air compressors, energy-efficient permanent magnet frequency conversion screw air compressors, advanced two-stage compression screw air compressors, specialized screw air compressors for laser cutting, versatile single-tank mobile screw air compressors, robust double-tank mobile screw air compressors, efficient electric mobile screw air compressors, reliable diesel mobile screw air compressors, and cutting-edge screw vacuum pumps.
Our production capabilities are maximized through state-of-the-art multi-air compressor assembly lines designed for lean and modern manufacturing. With the dedication of over 50 skilled employees, we continuously enhance management systems such as ERP, ensuring reduced lead times and the rapid delivery of top-quality products.
In terms of management, our factory has achieved ISO9001 quality management system certification. We are committed to maintaining a rigorous quality management framework, strictly adhering to standardized quality control processes. Each machine undergoes thorough material inspection, production inspection, and pre-delivery inspection to ensure superior quality.
Our customer service is exceptional, beginning with pre-sales where we provide expert guidance in selecting the ideal air equipment for various facilities, offering high levels of customization in appearance and configuration. We also specialize in creating unique OEM products tailored to meet dealer demands. For after-sales service, our professional sales and service team is always ready to respond promptly to customer needs.
At Sanzhi (Henan) Compressor Co., Ltd, we pride ourselves on delivering superior, stable products and forging long-term relationships with our customers. With efficient delivery, high-quality machines, and competitive pricing, we are your trusted partner for all your compressed air solutions.
Located in Xinzheng City, Henan Province, China, our factory is conveniently accessible. We offer complimentary pickup from Xinzheng International Airport to our factory, a short 30-kilometer drive taking approximately one hour. We warmly welcome you to visit our company!
Frequently Asked Questions (FAQ)
Q1. Are you a trading company or manufacturer?
A: We are a renowned manufacturer specializing in screw air compressors, boasting over a decade of industry expertise.
Q2. How do you control quality?
A: 1. Rigorous inspection of all raw materials is conducted.
2. Installation procedures are meticulously controlled.
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 (in CFM or m³/Min)
2. Desired working pressure (in PSI, Bar, or Mpa)
3. Voltage and frequency specifications of your region (V/Hz)
4. Any additional accessories needed, such as air tanks, filters, or air dryers.
Share this information, and we will tailor an optimal solution 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 including 380V/50Hz/3P, 400V/50Hz/3P, 415V/50Hz/3P, 220V/60Hz/3P, 440V/60Hz/3P, with customization available upon request.
Q6. How long is the delivery time?
A: For standard voltages, delivery is within 15 working days post-order confirmation. For non-standard voltages, please contact our sales team.
Q7. What's the payment term?
A: 30% T/T in advance, 40% T/T prior to shipment, and 30% T/T upon receipt of the B/L copy. Payments can be made in USD or RMB.
Q8. How about your warranty?
A: Our warranty covers 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 should be performed after 500 hours, followed by regular maintenance every 2000-3000 hours, taking into account the operating environment.
Q10. Can machines be run in high-temperature environments?
A: Yes, our machines are designed to operate in high-temperature conditions, from -20° to 45°C (-4°F to 113°F).
Q11. Do you offer OEM service?
A: Absolutely. With a professional design team, we warmly welcome both OEM and ODM orders.
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: Yes, we certainly provide spare parts.
Q14. How about your after-sales service?
A: We offer online installation and commissioning instructions, and can arrange for our engineers to assist with training and installation.
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