Introducing the groundbreaking Low-Pressure Compressor, an extraordinary innovation brought to you exclusively by Sanzhi (Henan) Compressor Co., Ltd.! Embark on an unrivaled journey of industrial excellence with our spectacular Two-Stage Compression Permanent Magnet Variable Frequency Drive Screw Air Compressor. This exceptional engineering marvel is designed to offer an outstanding array of power options, ranging from a robust 15KW to an impressive 250KW. Engineered with precision and versatility in mind, this powerhouse of reliability and efficiency is truly set to revolutionize your operations. Experience the transformative power of this state-of-the-art compressor, meticulously crafted to exceed the diverse and demanding requirements of today's industries. Immerse yourself in the pinnacle of air compression technology with this high-capacity machine, ideally suited for heavy-duty applications. With its sophisticated two-stage air cooling system, the compressor ensures unrivaled performance and longevity, establishing itself as the premier choice for businesses aiming to streamline operations and maximize productivity. Discover the pioneering brilliance of Sanzhi, where superior quality harmonizes seamlessly with exceptional performance, elevating industrial expectations to unprecedented new heights. This compressor is not just a machine; it is a testament to innovation and excellence, setting new standards in industrial air compression. Elevate your business with a compressor that promises not just power, but an enduring commitment to excellence and reliability.
Internal Structure Frontside
Internal Structure Backside
Working Principle
Within this expertly crafted air compression environment, Sanzhi (Henan) Compressor Co., Ltd. reveals an unprecedented level of energy efficiency. Our innovative single-stage compression system mimics the energy demand traditionally associated with multi-stage configurations. However, in practical applications, factors like coupling power losses, bearing friction, and the cooling effects influenced by fluid viscosity tend to increase energy consumption. By precisely optimizing the compression ratio at each stage, these inefficiencies are significantly reduced. Consequently, the comprehensive energy expenditure of our multi-stage compression is markedly less than that of single-stage systems, providing a more refined and cost-effective operational experience.
Introducing a beacon of innovation from Sanzhi (Henan) Compressor Co., Ltd., our cutting-edge Efficient Twin-Stage Two-Stage Air Cooling Screw Air Compressor. This engineering marvel boasts a meticulously refined twin-stage rotary screw mechanism, featuring an active screw in each stage powered by a robust external power transmission system. The initial stage is equipped with a low-pressure screw group, seamlessly transitioning to a high-pressure screw group in the next stage. Each screw is enveloped in a protective sealing air film. During operation, the gas undergoes a sophisticated three-phase cycle of suction, pressurization, and exhaust, ensuring unparalleled compression efficiency and outstanding performance.
First Stage Compression: Embark on an innovative journey with our two-stage screw air compressor as it expertly compresses gas using the low-pressure screw group. Initially, the gas is drawn into the compression chamber through the suction valve, where the rapid rotation of the screw rotor compresses the gas. After this primary compression, the gas is seamlessly transitioned to the second stage, paving the way for further enhancements in compression.
Second Stage Compression: Progressing to the next phase, the gas experiences intensified compression within a more compact screw space, achieving elevated temperatures and pressures. This process reaches its zenith as the exhaust valve opens, releasing the high-pressure gases from the system, completing the compression cycle with unmatched precision and effectiveness.
The air commences its sophisticated journey by entering through the air filter into the first compression stage, blending seamlessly with a precise amount of lubricating oil. This combination is compressed to an intermediate pressure. The gas then transitions into a cooling channel, interacting with an abundant oil mist, significantly lowering the temperature. The cooled, compressed gas advances to the second-stage rotor, where it undergoes its final compression to the desired exhaust pressure. Upon reaching this conclusive stage, the fully compressed gas exits the system through the exhaust valve, completing the compression cycle with remarkable precision and efficiency.
1) High efficiency of PM motor:Step into a new era of energy conservation with our state-of-the-art permanent magnet motor! This avant-garde motor triumphs with a remarkable 20-30% boost in efficiency over conventional models. With its broad constant torque spectrum and pioneering weak magnetic dynamics, it ensures superior efficiency, even when exceeding rated frequency, guaranteeing unmatched performance throughout its operation.
2) Two-stage compression unique air end:Witness the marvel of engineering with our two-stage compression system, boasting a uniquely crafted air end. This breakthrough innovation seamlessly integrates dual compression rotors within a unified casing. The direct gear-driven rotors function at optimal linear velocities, remarkably augmenting compression efficiency while ensuring exceptional reliability and durability.
3) Integrated frequency converter: Leveraging China's premier frequency system, our compressor offers a vast speed regulation spectrum with precise control. Users can effortlessly modulate the frequency to match real-time gas requirements, achieving outstanding energy savings and enhanced operational efficiency.
4) Reduce internal leakage:Our cutting-edge two-stage compression technology refines the compression ratio at each stage, significantly minimizing internal leakage from high to low-pressure zones. This progression leads to heightened volumetric efficiency and an upgraded overall performance of the compressor.
5) Variable frequency start and the soft startOur motor is equipped with advanced variable frequency and soft start functionalities, drastically diminishing the impact on power grid systems. This innovative feature safeguards electrical components from potential harm, thereby considerably extending their operational life.
6) Reduce energy consumption: Our advanced frequency conversion system operates fluidly from 25% to 100%, surpassing the conventional 50% to 100% range. It delivers exceptional energy savings of over 30% compared to fixed-speed compressors, with an additional 5% efficiency gain over standard variable frequency systems, ideally suited for fluctuating gas demands.
7) No transmission loss: Our design, characterized by a direct connection between the permanent magnet motor and compressor, eradicates transmission components. This ensures impeccable 100% transmission efficiency, delivering optimal, flawless performance every time.
8) Air cooling method: Our exceptional air cooling system provides remarkable cooling prowess, significantly lowering the compressed air temperature. This method supports near-isothermal compression, reduces pressure loss, optimizes the compression ratio, and enhances overall efficiency.
9)Smart Touch Controller: Our cutting-edge smart controller, infused with embedded intelligence, minimizes the need for manual interventions. Featuring a high-resolution color display, it offers user-friendly graphical interfaces, maintenance reminders, fault alerts, and safety shutdown notifications to ensure unwavering, smooth operation.
10)Special Type Intake Valve:The automatic opening mechanism guarantees smooth engine fuel injection and oil circulation, enhancing the system's overall efficiency.
With significantly reduced oil circuit loss, our system achieves a substantial boost in efficiency.
The normally open solenoid valve ensures a secure seal during emergency stops, preventing oil injection and ensuring the highest level of system safety.
11)Excellent Air Filter:Our top-tier air filter offers unparalleled purification through a robust three-stage filtration system, delivering superior air quality. It effectively eliminates steam and dust, surpassing the highest emission standards for eco-friendly operations.
12)High-Quality Soundproof Cotton:Featuring innovative noise reduction housing and premium soundproof cotton, our design significantly diminishes operational vibrations and noise, fostering a quieter, more efficient work environment.
13) Motor maintenance-free:Step into the future of compressor technology with our revolutionary maintenance-free permanent magnet motor design, ingeniously engineered to eliminate internal bearings. This avant-garde breakthrough not only removes the complications of bearing maintenance and replacements but also significantly slashes long-term upkeep expenses. As a result, our compressor systems offer enhanced reliability, consistently delivering peak performance over extended durations. Immerse yourself in our state-of-the-art solution for unmatched cost-effectiveness and exceptional dependability, ensuring your operations run smoothly and efficiently.
14) Noise Reduction: Immerse yourself in the tranquility offered by Sanzhi (Henan) Compressor Co., Ltd.'s cutting-edge two-stage compression technology. This superior system is intricately engineered to optimize the compression ratio, leading to a significant reduction in operational noise levels, particularly during unloading phases. Enjoy a quieter, more efficient work environment that boosts productivity, thanks to the prowess of the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Trust in Sanzhi's unrivaled engineering expertise to significantly enhance the quality of your industrial operations and create a harmonious workspace.
15) Effortless Maintenance and Unmatched Service: Step into the next generation of stress-free maintenance with our groundbreaking two-stage compressor unit, meticulously crafted by Sanzhi (Henan) Compressor Co., Ltd. This innovative design retains the familiar structure and systems of a single-stage compressor, with the distinction residing in the screw air end. This brilliant design ensures that maintenance and service remain straightforward and user-friendly. Revel in seamless maintenance combined with consistently superior performance with the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Depend on Sanzhi for effortless maintenance and extraordinary results, ensuring the longevity and efficiency of your operations.
| Model |
Power |
Exhaust pressure |
Free air delivery* of unit at working pressure |
Voltage |
Frequency |
Air outlet discharge size |
Weight |
Dimensions |
| KW |
Mpa |
m³/min |
V |
Hz |
Inch |
Kg |
L*W*H(mm) |
| SZ15VF-II |
15 |
0.5 |
4.00 |
380 |
50 |
G1½ |
660 |
1450*780*1180 |
| 0.8 |
3.00 |
| 1.3 |
2.00 |
| SZ19VF-II |
18.5 |
0.5 |
5.00 |
380 |
50 |
G1½ |
680 |
1450*780*1180 |
| 0.8 |
4.00 |
| 1.3 |
3.80 |
| 1.6 |
2.20 |
| SZ22VF-II |
22 |
0.5 |
6.60 |
380 |
50 |
G1½ |
730 |
1650*880*1280 |
| 0.8 |
4.20 |
| 1.3 |
3.00 |
| 1.6 |
2.50 |
| SZ30VF-II |
30 |
0.5 |
7.00 |
380 |
50 |
G1½ |
980 |
2000*1260*1560 |
| 0.8 |
6.40 |
| 1.3 |
4.00 |
| 1.6 |
3.00 |
| SZ37VF-II |
37 |
0.5 |
10.00 |
380 |
50 |
G1½ |
1080 |
2000*1260*1560 |
| 0.8 |
7.00 |
| 1.3 |
5.50 |
| 1.6 |
4.00 |
| SZ45VF-II |
45 |
0.5 |
13.00 |
380 |
50 |
G2 |
1980 |
2000*1260*1560 |
| 0.8 |
10.00 |
| 1.3 |
6.50 |
| 1.6 |
5.00 |
| SZ55VF-II |
55 |
0.5 |
17.00 |
380 |
50 |
G2 |
2180 |
2150*1300*1730 |
| 0.8 |
12.00 |
| 1.3 |
8.60 |
| 1.6 |
5.00 |
| SZ75VF-II |
75 |
0.5 |
20.00 |
380 |
50 |
G2 |
2280 |
2150*1300*1730 |
| 0.8 |
16.50 |
| 1.3 |
11.00 |
| 1.6 |
9.00 |
| SZ90VF-II |
90 |
0.5 |
24.00 |
380 |
50 |
DN65 |
3200 |
2700*1920*1820 |
| 0.8 |
20.00 |
| 1.3 |
14.00 |
| 1.6 |
11.00 |
| SZ110VF-II |
110 |
0.5 |
28.00 |
380 |
50 |
DN65 |
3360 |
2700*1920*1820 |
| 0.8 |
24.50 |
| 1.3 |
18.00 |
| 1.6 |
14.00 |
| Due to product updates, the above parameters are subject to deviation in kind. |
1. Competitive Pricing
Unlock the gateway to exceptional value with Sanzhi (Henan) Compressor Co., Ltd. By partnering with us, you gain direct access to unparalleled factory-direct pricing. We empower your business with a robust competitive advantage in your industry. Elevate your market presence with our strategic pricing, meticulously crafted to enhance profitability and secure your market leadership.
2. Direct Transactions
Revolutionize your purchasing journey with our streamlined, cost-effective direct transaction model. Our efficient logistics pipeline ensures that products are delivered directly from our factory to your doorstep. Enjoy significant savings and a reliable supply chain that meets your needs with unmatched precision and efficiency.
3. OEM & ODM Services
Leverage our state-of-the-art production and management capabilities to access top-tier OEM and ODM services. Each offering is custom-tailored to seamlessly match your unique specifications, ensuring your custom requirements are executed with precision and distinction.
4. Customized Solutions
Excel in meeting non-standard and export orders with our bespoke solutions. We adeptly cater to diverse voltage, power, and pressure specifications, crafting responses that perfectly align with your specific needs. Share your unique requirements, and we'll create solutions that meet your exact expectations with excellence.
5. Small Order Acceptance
Begin your journey with us through a small trial order and witness the superior quality of our products firsthand. Achieve complete satisfaction and confidence before scaling to larger orders, offering you ultimate peace of mind and assurance in your decision.
6. Rapid Delivery
Experience peace of mind with our swift and dependable delivery services. We prioritize the prompt arrival of our top-quality products, ensuring your operations remain seamless and function at peak efficiency.
7. Comprehensive Authorization
Enhance your distribution capabilities with our extensive authorization certifications. Market and distribute SANZHI brand products with absolute confidence, supported by our rigorous certification process that empowers your success and fuels your business growth.
Sanzhi (Henan) Compressor Co., Ltd shines as a distinguished pioneer in the innovative realm of screw air compressors and vacuum pumps. Celebrating a decade of excellence, we proudly present a state-of-the-art selection of products. Our diverse portfolio boasts standard and low-pressure screw air compressors, alongside groundbreaking permanent magnet frequency conversion screw air compressors and advanced two-stage compression screw air compressors. For specialized needs, our laser cutting screw air compressors guarantee precision with unwavering reliability. We also provide flexible single-tank and double-tank mobile screw air compressors. Our electric and diesel mobile screw air compressors are engineered for superior performance. Furthermore, our cutting-edge screw vacuum pumps are meticulously crafted to adhere to the most stringent industrial standards.
Our cutting-edge production facility is equipped with advanced multi-air compressor assembly lines, ensuring unmatched efficiency and precision in every unit produced. With a dedicated team of over 50 highly skilled experts, we are committed to refining our management systems, including ERP, to dramatically reduce lead times and guarantee the swift delivery of premium products. Our persistent drive for innovation propels us to the forefront of the industry, setting new standards of excellence.
Our meticulously designed management systems are dedicated to upholding the highest quality standards. Accredited with the prestigious ISO9001 quality management system certification, we maintain stringent quality control procedures. Each machine undergoes comprehensive inspections throughout various stages, from material selection to production checks and pre-delivery evaluations, ensuring unparalleled product reliability and excellence. Our unwavering dedication to quality provides you with absolute confidence in superior performance.
Unlock our exceptional customer service, beginning with our pre-sales team offering expert guidance to select the perfect air equipment for diverse facilities. We provide extensive customization options, including design and configuration alterations, delivering bespoke solutions to satisfy specific dealer needs through our OEM services. Our professional sales and support team is always ready to deliver swift and effective post-sales assistance, ensuring your requirements are met promptly and accurately. Experience unparalleled customer care with Sanzhi.
At Sanzhi (Henan) Compressor Co., Ltd, we are unwaveringly committed to delivering products that embody superiority, reliability, and stability. Devoted to nurturing lasting partnerships with our clients, we guarantee timely delivery, world-class machinery, and competitive pricing. Our mission is to deliver the ideal compressed air solution tailored to your needs, ensuring unparalleled value, performance, and satisfaction.
Located in the picturesque Xinzheng City, Henan Province, China, our factory is conveniently situated just 30 kilometers from Xinzheng International Airport, providing easy access-only about an hour's drive away. We warmly invite you to visit our facility and witness our exceptional offerings firsthand! Come and immerse yourself in the unique Sanzhi experience in person.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a leading manufacturer specializing in screw air compressors, with over a decade of profound industry expertise. Our extensive experience distinctly sets us apart in the market, showcasing our exceptional capabilities.
Q2. How do you control quality?
A: 1. We execute comprehensive inspections of our raw materials to assure superior quality before production begins.
2. Our installation process is meticulously monitored at every stage to ensure precision and accuracy.
3. Each machine undergoes a minimum of 5 continuous hours of rigorous testing prior to dispatch, guaranteeing peak performance and reliability.
Q3. What information must I provide to get the suitable machine?
1. Your required air delivery capacity (Unit: CFM or m³/Min).
2. The desired working pressure (Unit: PSI, Bar, or Mpa).
3. The voltage and frequency specifications of your country of residence (V/Hz).
4. Any additional accessories needed, such as an air tank, filters, or air dryers.
Provide us with this vital information and experience a meticulously crafted solution tailored just for you! With our unmatched expertise, we guarantee precision and excellence to meet your specific needs.
Q4. What is the general unit conversion?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32 cfm. This precise conversion highlights the remarkable capabilities of our compressors, enabling them to fulfill the vast industrial demands with superior efficiency and outstanding performance.
1KW = 1.34 HP. This conversion emphasizes the extraordinary power of our compressors, ensuring stable and reliable operation even in the most challenging conditions with substantial power delivery.
Q5. What is the available voltage air compressor?
A: Sanzhi (Henan) Compressor Co., Ltd. provides an extensive array of voltage options, meeting global standards with expertise. Select from 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. We prioritize delivering precisely tailored solutions for your specific electrical needs, ensuring exceptional compatibility and top-tier performance.
Q6. How long is the delivery time?
A: For standard voltage units, our streamlined process ensures shipment within an impressive 15 working days after confirmation. For non-standard voltage needs, consult our dedicated sales team for a delivery schedule, finely tailored to your requirements.
Q7. What's the payment term?
A: Our payment terms are designed for your convenience: 30% T/T in advance, 40% T/T before shipment, and the final 30% T/T upon receiving the B/L copy. We accept payments in USD and RMB, offering flexible and seamless transaction options.
Q8. How about your warranty?
A: Sanzhi offers a comprehensive warranty for your peace of mind: one year for the entire machine and two years for the screw air compressor, with the exception of consumable spare parts. This commitment highlights our dedication to quality and durability.
Q9. What about the maintenance?
A: Initial maintenance is essential and should be completed after 500 operating hours. Ongoing maintenance is recommended every 2000-3000 hours, adjusted to your specific working environment to ensure optimal performance and longevity.
Q10. Can machines be run in high-temperature environment?
A: Absolutely! Our machines are engineered for outstanding performance in extreme temperatures. They maintain efficient operation across a wide range from -20° to 45° (-4ºF to 113ºF), ensuring durability and reliability in the most challenging conditions.
Q11. Do you offer OEM service?
A: Yes, we excel in offering both OEM and ODM services. Our expert design team adeptly handles custom orders, crafting solutions that align perfectly with your specifications, enhancing brand identity and product differentiation.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for extraordinary longevity, providing a remarkable lifespan that typically exceeds 10 years of reliable and efficient operation, ensuring sustained productivity and value.
Q13. Will you provide some spare parts for the machines?
A: Absolutely, we offer a comprehensive selection of premium spare parts, ensuring your machines continue to operate seamlessly, maintaining peak performance and maximizing uptime and operational efficiency over the long term.
Q14. How about your after-sales service?
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