Introducing our exclusive Special Screw Air Compressor, meticulously engineered for seamless powder conveying applications. This sophisticated, closed-type, low-pressure stationary screw air compressor stands as the ultimate solution for diverse industries such as cement mixing plants, flour mills, coal ash handling, and mineral powder processing. With an impressive spectrum of power options, including 11KW, 22KW, 37KW, 45KW, and 55KW, this compressor ensures unparalleled performance and unwavering reliability, precisely tailored to meet the exacting demands of your industrial operations. Discover a new era of efficiency and dependability with our industry-leading compressor technology.
Why choose 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 meticulous design supports optimum conveying efficacy, whether for cement or even flour.
Sanzhi offers a specialized low-pressure air compressor 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 its built-in device 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. Ensuring a stable flow rate, this motor operates under constant load with high efficiency and remarkable durability.
German Technology Air End
Incorporating a large rotor with a low-speed design, the air end ensures unparalleled efficiency, minimal noise, reduced vibration, and exceptional reliability. Experience reduced leakage and impressive volume efficiency.
Smart Button Screen
The intuitive operation panel, with its concise and clear functions, offers rapid response times and a clear display. This ensures user-friendly operation and easy maintenance.
Cooling System
With a large heat exchange area design, this system effectively prevents high-temperature malfunctions. It also reduces oil emulsification and coking caused by high temperatures.
Reliable Oil and Air Separator
Featuring a vertical tangential cyclone separation structure, this system ensures thorough oil and air separation. Enjoy easy cartridge replacement and reduced maintenance costs.
Safe and Zero Leakage Connection
Sanzhi moves beyond traditional low-cost hydraulic hoses with high-rigid pipes and flexible joint connections. This innovative system prevents bursts from aging and ensures a flexible seal with a rubber-type O-ring to prevent leakage.
Aluminum Intake Valve
Designed to load with electricity and unload without it, this valve efficiently replenishes air and eliminates noise for the host. It offers stable and durable performance with a smooth, wear-resistant surface.
Oil Viewing Mirror
Crafted from superior materials, this mirror provides excellent transparency and high-temperature resistance. Monitor oil levels visually for timely replacements and additions, preventing equipment damage.
Excellent Air Filter
With exceptional air purification capabilities, this three-stage filtration air filter ensures a clean air system. It meets standard emissions requirements by effectively removing steam and dust gas.
Oil Filter
Effectively filtering impurities from the lubricating oil, this filter enhances lubrication for the head, thereby extending the lifespan of the air compressor.
High-Quality Soundproof Cotton
Achieving zero vibration amplitude during operation, this compact noise reduction housing, along with high-quality soundproof cotton, significantly enhances 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: Unmatched Ruggedness and Durability
Engineered for Continuous Performance: Experience the power of our compressor, designed for relentless 24-hour non-stop operation and built to withstand up to 3 million start/stop cycles.
Intelligent Control System
Safety and Reliability with Humanized Intelligence: Featuring a cutting-edge electrical system paired with user-friendly computer intelligent control, our compressor ensures seamless, secure, and reliable operations.
User-Friendly Design
Effortless Operation: Crafted with simplicity in mind for easy installation, intuitive operation, and minimal maintenance, ensuring a hassle-free user experience.
Energy Efficiency
Cutting-Edge Energy Savings: Maximize work efficiency and minimize energy consumption, achieving impressive cost savings of 30-50%.
Advanced High-Temperature Shutdown Protection
Automatic Safety Measures: Our system features automatic shutdown if the operating temperature exceeds safe limits, protecting the equipment and eliminating potential safety hazards.
1. Unmatched Pricing Advantage
We offer factory-direct pricing, giving our customers a unique competitive edge in the market.
2. Direct Transactions
All our products come directly from our factory, ensuring we provide the most cost-effective solutions.
3. Comprehensive OEM & ODM Services
Leveraging our robust production and management capabilities, we offer tailored OEM/ODM services to meet your specific needs.
4. Tailored Customization Services
We welcome non-standard orders including export orders, customized voltage, power, pressure, etc. Contact us for your specific requirements.
5. Small Order Friendly
Start with a small trial order to evaluate the superior quality of our products.
6. Prompt Delivery
Experience the seamless combination of high-quality products and timely delivery.
7. Full Authorization Support
For distributors, we provide comprehensive authorization certificates, empowering you to sell our SANZHI brand products with confidence.
SUCCESSFUL CASES
About Us
Sanzhi (Henan) Compressor Co., Ltd. stands as a premier manufacturer with a focus on delivering high-performance screw air compressors and vacuum pumps. With over a decade of expertise, we proudly present an extensive product lineup that 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 models for laser cutting, versatile single-tank and robust double-tank mobile screw air compressors, efficient electric mobile and reliable diesel mobile screw air compressors, along with cutting-edge screw vacuum pumps.
At Sanzhi, our production capabilities are driven by state-of-the-art multi-air compressor assembly lines, designed for lean and modern manufacturing. With dedication from over 50 skilled employees, we continuously enhance management systems such as ERP, ensuring reduced lead times and rapid delivery of top-quality products.
Our factory has attained ISO9001 quality management system certification, reflecting our commitment to a stringent quality management framework. We adhere strictly to standardized quality control processes. Each machine undergoes meticulous material inspection, production inspection, and pre-delivery inspection to guarantee superior quality.
Our customer service begins with exceptional pre-sales support, providing expert guidance in selecting the ideal air equipment for various facilities. We offer high levels of customization in appearance and configuration. Specializing in creating unique OEM products tailored to dealer demands, our professional sales and service team is always ready to respond promptly to customer needs for after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd., we are devoted to delivering superior, stable products and building long-term relationships with our customers. With efficient delivery, high-quality machines, and competitive pricing, we are your trusted partner for all 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!
FAQ
Q1. Are you a trading company or manufacturer?
A: We proudly stand as a professional manufacturer of screw air compressors, boasting over a decade of unrivaled experience in the industry.
Q2. How do you control quality?
A: 1. We implement rigorous inspections on all incoming raw materials.
2. Each installation procedure is meticulously supervised and controlled.
3. Every machine undergoes a minimum of 5 hours of continuous, intensive testing before it leaves our factory.
Q3. What information must I provide to get the suitable machine?
1. The required air delivery capacity (Unit: CFM or m³/Min).
2. The necessary working pressure (Unit: PSI, Bar, or Mpa).
3. The voltage and frequency applicable to your country (V/Hz).
4. Whether additional accessories like an air tank, filters, and/or air dryers are needed.
Provide us with these details, and we will tailor the perfect scheme 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 in various voltages including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, with customizations available upon request.
Q6. How long is the delivery time?
A: For standard voltage models, expect delivery within 15 working days post-order confirmation. For non-standard models, please liaise with our sales team for specifics.
Q7. What's the payment term?
A: Payment terms are 30% T/T in advance, 40% T/T before shipment, and the remaining 30% T/T against the B/L copy. We accept USD and RMB.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty for the entire machine and a two-year warranty for the screw air compressor, excluding consumable spare parts.
Q9. What about the maintenance?
A: The first maintenance should be performed after 500 hours. Subsequent maintenance should be done every 2000-3000 hours, adjusting based on the operating environment.
Q10. Can machines be run in high-temperature environments?
A: Absolutely. Our machines are designed to operate in high-temperature conditions, handling temperatures ranging from -20° to 45° (-4ºF to 113ºF).
Q11. Do you offer OEM service?
A: Yes, we welcome both OEM and 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 exceeding 10 years.
Q13. Will you provide some spare parts for the machines?
A: Indeed, we will supply the necessary spare parts without hesitation.
Q14. How about your after-sales service?
A: We offer online installation and commissioning guidance, and can also arrange for our engineers to provide training and installation support.
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