Introducing our premium and innovative Special Screw Air Compressor, meticulously crafted to revolutionize powder conveying applications. Engineered as a closed-type, low-pressure, stationary screw air compressor, it stands as the quintessential solution for diverse sectors including cement mixing plants, flour mills, coal ash handling, and mineral powder processing. Our versatile compressor is available in a range of power options-11KW, 22KW, 37KW, 45KW, and 55KW-ensuring unparalleled performance and reliability that are precisely tailored to meet and exceed your industrial demands. Harness the power of efficiency and adaptability with our dedicated engineering excellence. Discover how our groundbreaking compressor can elevate your operations to new heights, delivering consistent and powerful performance across various demanding environments.
Why choose Sanzhi dust special compressor?
Discover the unparalleled excellence of our specialized low-pressure air compressor, masterfully engineered for the precise task of dust conveying. This cutting-edge machinery is adept at efficiently transporting dust, cement, and analogous materials, functioning seamlessly within a pressure range of 0.15-0.4Mpa. The sophisticated direct drive system, complemented by a robust large head and low rotational speed, assures peak performance. With an innovative oil-air separation structure, influenced by the precision of German engineering, it operates with remarkable quietness and minimal vibration, completely eliminating the need for any foundational setup. Experience the exceptional speed of airflow that guarantees compressed air with an ultra-low oil content of less than 2PPM, providing the necessary air volume with utmost purity. Designed to perfection, the radiator operates independently from any after-cooling device, as moisture must be strictly avoided to prevent the detrimental effects of caking and coking, thus safeguarding performance. This intricately crafted design ensures optimal conveying efficacy, suitable for cement, flour, and beyond.
Sanzhi proudly presents the specialized low-pressure air compressor, expertly tailored for dust conveying across a broad spectrum of applications. Whether dealing with cement, mineral powder, coal ash unloading, or textile fermentation, this innovative solution epitomizes high efficiency and energy savings. By significantly boosting productivity and yielding substantial cost savings, it transforms operations. For instance, unloading a 9.6-meter cement tanker traditionally requires at least 1.5 hours, burdened by high fuel consumption and inefficiency. In stark contrast, deploying a 37KW air compressor from Sanzhi cuts this time to a mere 40 minutes, dramatically elevating efficiency while conserving energy and slashing operational costs, all culminating in a revolutionized workflow.
Direct-Connected Rotation Motor
Boasting an advanced insulation grade F and a protective grade of IP55, this motor ensures a remarkably stable flow rate. Equipped for constant load conditions, it delivers impressive high efficiency and unparalleled durability.
German Technology Air End
Utilizing cutting-edge German technology, the air end features a large rotor with an innovative low-speed design that delivers extraordinary efficiency. Experience astonishingly low noise levels, minimal vibration, and supreme reliability. This groundbreaking design reduces leakage and enhances volume efficiency to new heights.
Smart Button Screen
Our Smart Button Screen boasts a streamlined interface with simplified, clear functions. This user-friendly panel ensures intuitive operation, providing rapid response times and a clear display for seamless and stress-free maintenance.
Cooling System
Engineered with a vast heat exchange area, this cooling system effectively prevents high-temperature malfunctions, significantly reducing the risks of oil emulsification and coking from elevated temperatures, thereby guaranteeing peak performance and longevity.
Reliable Oil and Air Separator
Featuring a vertical tangential cyclone separation structure, this reliable system ensures complete separation of oil and air. This design not only makes cartridge replacement straightforward but also reduces maintenance costs, enhancing operational efficiency.
Safe and Zero Leakage Connection
Sanzhi revolutionizes the industry by eliminating traditional hydraulic hose designs. Our system employs high-rigid pipes and flexible joint connections, effectively preventing bursts from aging. The rubber-type O-ring offers a flexible seal, ensuring flawless zero-leakage performance.
Aluminum Intake Valve
This intelligently engineered valve is designed to load with electrical power and unload when power is unavailable. Equipped with air replenishing and noise reduction features, it promises consistent and durable performance with a smooth, wear-resistant surface.
Oil Viewing Mirror
Crafted from premium materials, our oil viewing mirror offers superb transparency, outstanding high-temperature resistance, and minimal color change. It allows for visual monitoring of oil levels and lubricating oil usage, enabling timely replacements and additions to prevent equipment damage.
Excellent Air Filter
Our high-performance air filter guarantees exceptional air purification through a sophisticated three-stage filtration process. It maximizes air purity, adheres to standard emissions requirements, and effectively removes steam and dust, ensuring a pristine air system.
Oil Filter
Engineered for optimum efficiency, this oil filter removes impurities from the lubricating oil with ease, enhancing lubrication for the compressor head and substantially extending the lifespan of the air compressor.
High-Quality Soundproof Cotton
Incorporated within a compact noise reduction housing, the high-quality soundproof cotton works in tandem to achieve zero vibration amplitude during operation, dramatically improving noise reduction levels and ensuring a quieter working environment.
| 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: Our 75kw Powerful Screw Air Compressor represents a pinnacle of engineering excellence, designed for relentless 24-hour non-stop operation. It can endure start/stop cycles up to an extraordinary 3 million times, showcasing its remarkable resilience and reliability.
Intelligent Control System
Safety and Reliability with Humanized Intelligence: Experience unparalleled peace of mind with our cutting-edge electrical system. It is flawlessly integrated with a user-friendly computer intelligent control, ensuring secure and uninterrupted operations with the utmost ease and safety.
User-Friendly Design
Effortless Operation: Designed with simplicity at its core, our compressor features a streamlined structure that guarantees easy installation and straightforward operation. Enjoy the perks of minimal maintenance, so you can focus on what matters most.
Energy Efficiency
Cutting-Edge Energy Savings: Optimize your work efficiency while achieving substantial reductions in energy consumption. Experience cost savings ranging from an impressive 30-50%, translating to significant financial benefits.
Advanced High-Temperature Shutdown Protection
Automatic Safety Measures: Designed with advanced safety in mind, the system will automatically shut down if the operating temperature surpasses safe limits. This protective measure ensures the equipment is safeguarded and potential safety hazards are eliminated, providing complete peace of mind.
1. Unmatched Pricing Advantage
We present an extraordinary pricing strategy, offering factory-direct rates that afford our customers a significant edge in the competitive market arena.
2. Direct Transactions
Our entire product line is procured directly from our factory, ensuring that we provide the most financially savvy solutions to our clientele.
3. Comprehensive OEM & ODM Services
Leveraging our unmatched production and management expertise, we offer customized OEM/ODM services that are precisely crafted to align with your unique specifications.
4. Tailored Customization Services
We cater to non-standard orders, including those with export specifications, custom voltage, power, pressure, and more. Connect with us to explore how we can meet your precise needs.
5. Small Order Friendly
Begin with a small trial order to evaluate the exceptional quality and performance of our products.
6. Prompt Delivery
Experience the perfect fusion of superior product quality with rapid and dependable delivery services.
7. Full Authorization Support
We provide our distributors with comprehensive authorization certificates, enabling you to promote our esteemed SANZHI brand products with absolute assurance.
SUCCESSFUL CASES
About us
Sanzhi (Henan) Compressor Co., Ltd is a distinguished leader in the manufacture of superior screw air compressors and vacuum pumps, bringing over a decade of specialized experience to the forefront. Our extensive selection includes regular pressure and low-pressure screw air compressors, energy-saving permanent magnet frequency conversion screw air compressors, sophisticated two-stage compression models, specialized options for laser cutting, adaptable single-tank mobile units, durable double-tank mobile variants, high-performance electric mobile versions, dependable diesel mobile compressors, and pioneering screw vacuum pumps. Each product is engineered to provide unmatched reliability and efficiency.
Our production capabilities are optimized with cutting-edge multi-air compressor assembly lines, embodying lean and modern manufacturing principles. Powered by over 50 dedicated professionals, we continually refine management systems such as ERP to minimize lead times, ensuring the swift delivery of our premium products.
From a management perspective, our factory proudly holds the ISO9001 quality management system certification. We are unwavering in our commitment to a stringent quality management framework, rigorously following standardized quality control protocols. Every machine undergoes detailed material inspection, meticulous production inspection, and thorough pre-delivery inspection to guarantee excellence in quality.
Our exceptional customer service begins at the pre-sales stage, offering expert guidance to help select the perfect air equipment solution tailored to diverse facility requirements, with high customization options for appearance and configuration. We excel in crafting bespoke OEM products tailored to dealer specifications. Our dedicated sales and service team remains on standby for responsive, prompt after-sales support to meet any customer need.
At Sanzhi (Henan) Compressor Co., Ltd, our commitment to delivering superior, reliable products is unwavering. We strive to build enduring partnerships with our clients by offering efficient delivery, top-tier machines, and competitive pricing, making us the trusted ally for all your compressed air solution needs.
Situated in Xinzheng City, Henan Province, China, our factory is easily accessible. We offer complimentary transportation from Xinzheng International Airport to our facility, conveniently located just 30 kilometers away, approximately a one-hour drive. We warmly invite you to visit our company and experience our hospitality firsthand!
Your Questions Answered - FAQs
Q1. Are you a trading company or manufacturer?
A: We proudly stand as a distinguished manufacturer of screw air compressors, showcasing over a decade of unparalleled expertise.
Q2. How do you control quality?
A: 1. Implementing rigorous inspection protocols for raw materials.
2. Vigilantly supervising every stage of the installation process.
3. Each compressor undergoes no less than 5 hours of continuous, meticulous testing prior to dispatch.
Q3. What information must I provide to get the suitable machine?
1. The required air delivery capacity you need (expressed in CFM or m³/Min).
2. The desired working pressure (measurable in PSI, Bar, or Mpa).
3. Your region's voltage and frequency specifications (V/Hz).
4. Any need for additional accessories such as an air tank, filters, and/or air dryers.
Provide these details, and we will custom-craft the perfect solution tailored just 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 provides a variety of voltage options including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, along with customized solutions.
Q6. How long is the delivery time?
A: For standard voltage models, expect delivery within 15 working days after order confirmation. For non-standard specifications, kindly consult with our dedicated sales team.
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. Transactions are accepted in both USD and RMB.
Q8. How about your warranty?
A: Enjoy peace of mind with a one-year warranty covering the entire machine, and an extended two-year warranty specifically for the screw air compressor, excluding consumable parts.
Q9. What about the maintenance?
A: Initial maintenance is scheduled at 500 hours, followed by routine maintenance every 2000 to 3000 hours, adaptable to the operational environment.
Q10. Can machines be run in high-temperature environments?
A: Absolutely, our compressors are engineered to function efficiently in high-temperature settings, with a working range from -20° to 45° (-4ºF to 113ºF).
Q11. Do you offer OEM service?
A: Indeed, with our proficient design team, we warmly welcome both OEM & ODM orders to meet your specific needs.
Q12. How long could your air compressor be used?
A: Typically, our air compressors boast a lifespan that exceeds 10 years, ensuring robust performance.
Q13. Will you provide some spare parts for the machines?
A: Yes, we are committed to providing necessary spare parts to support your operations.
Q14. How about your after-sales service?
A: We offer comprehensive after-sales support including online installation and commissioning guidance, and can dispatch engineers for on-site training and installation assistance.
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