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.
Internal Structure Frontside
Internal Structure Backside
Working Principle
Within this expertly crafted air compression environment, Sanzhi (Henan) Compressor Co., Ltd. unveils the secret to unmatched energy efficiency. Our single-stage compression exhibits energy requirements reminiscent of multi-stage systems. Yet, in real-world scenarios, factors such as coupling power losses, bearing friction, and the viscosity-driven cooling effects of the fluid tend to elevate energy usage. By meticulously optimizing the compression ratio at each stage, these inefficiencies are substantially mitigated. As a result, the total power consumption of our multi-stage compression is noticeably diminished when compared to single-stage alternatives, ensuring a more polished and economically savvy operation.
Introducing the pinnacle of innovation from Sanzhi (Henan) Compressor Co., Ltd., our state-of-the-art Efficient Twin-Stage Two-Stage Air Cooling Screw Air Compressor. This masterpiece features a brilliantly refined twin-stage rotary screw mechanism, showcasing an active screw in each stage driven by a solid external power transmission system. The initial stage is adorned with a low-pressure screw group, seamlessly followed by a high-pressure screw group in the subsequent stage. Each screw is shrouded in a protective sealing air film. During operation, the gas undergoes a sophisticated three-phase cycle of suction, pressurization, and exhaust, delivering unrivaled compression efficiency and exceptional performance.
First Stage Compression: Embark on the groundbreaking journey with our two-stage screw air compressor as it masterfully compresses gas using the low-pressure screw group. The gas is initially drawn into the compression chamber through the suction valve, where the rapid rotation of the screw rotor compresses the gas. Following this primary compression, the gas is effortlessly transitioned to the second stage, setting the stage for further compression enhancements.
Second Stage Compression: Advancing to the next level, the gas undergoes intensified compression within a more compact screw space, achieving higher temperatures and pressures. This culminates as the exhaust valve opens, allowing the high-pressure gases to exit the system, thus completing the entire compression cycle with unmatched precision and effectiveness.
The air embarks on its sophisticated journey by entering through the air filter into the first compression stage, blending with a meticulously calculated amount of lubricating oil. This fusion is compressed to an intermediate pressure. Subsequently, the gas transitions into a cooling channel, interacting with a generous oil mist, which significantly reduces the temperature. The cooled, compressed gas then progresses to the second-stage rotor for its ultimate compression to the desired exhaust pressure. Upon reaching this final stage, the fully compressed gas exits the system through the exhaust valve, concluding the compression cycle with remarkable precision and efficiency.
1) High efficiency of PM motor:Experience energy efficiency like never before with our premium permanent magnet motor. This cutting-edge motor achieves an impressive 20-30% efficiency increase over traditional models. Thanks to its extensive constant torque range and pioneering weak magnetic dynamics, it maintains unparalleled efficiency, even surpassing its rated frequency, ensuring optimal performance consistently.
2) Two-stage compression unique air end:Behold the innovation of our two-stage compression system with a uniquely engineered air end. This system seamlessly combines dual compression rotors within a single casing. The direct gear-driven rotors operate at ideal linear speeds, significantly enhancing compression efficiency and guaranteeing exceptional reliability.
3) Integrated frequency converter: Utilizing the leading frequency system in China, our compressor features an extensive speed regulation range with precise control. Users can easily adjust the frequency to align with real-time gas needs, achieving remarkable energy savings and improved operational performance.
4) Reduce internal leakage:Our innovative two-stage compression technology optimizes the compression ratio per stage, greatly minimizing internal leakage from high to low-pressure zones. This advancement leads to enhanced volumetric efficiency and superior overall compressor performance.
5) Variable frequency start and the soft startOur motor, equipped with variable frequency and soft start capabilities, drastically reduces the impact on power grid systems. This feature protects electrical components from potential damage, thereby extending their lifespan significantly.
6) Reduce energy consumption: Our state-of-the-art frequency conversion system operates seamlessly from 25% to 100%, exceeding the usual 50% to 100% range. It delivers over 30% energy savings compared to fixed-speed compressors, along with an extra 5% efficiency improvement over standard variable frequency systems, perfect for fluctuating gas demands.
7) No transmission loss: Our highly efficient design, featuring a direct link between the permanent magnet motor and compressor, eliminates transmission components. This ensures impeccable 100% transmission efficiency, guaranteeing peak, unblemished performance every time.
8) Air cooling method: Our top-tier air cooling system delivers remarkable cooling power, significantly reducing compressed air temperature. This technique supports near-isothermal compression, minimizes pressure loss, optimizes the compression ratio, and boosts overall efficiency.
9)Smart Touch Controller: Our next-gen smart controller, equipped with embedded intelligence, minimizes manual interventions. Featuring a high-resolution color display, it offers user-friendly graphical interfaces, maintenance reminders, fault alerts, and safety shutdown notifications to ensure continuous, smooth operation.
10)Special Type Intake Valve:The automatic opening ensures seamless engine fuel injection and oil circulation, boosting overall system efficiency.
With drastically reduced oil circuit loss, our system realizes a substantial efficiency boost.
The normally open solenoid valve secures a tight seal during emergency stops, preventing oil injection and ensuring utmost system safety.
11)Excellent Air Filter:Our premium air filter provides unmatched purification with a robust three-stage filtration system, guaranteeing superior air quality. It effectively removes steam and dust, exceeding the highest emission standards for environmentally responsible operations.
12)High-Quality Soundproof Cotton:Incorporating innovative noise reduction housing and deluxe soundproof cotton, our design substantially lowers operational vibrations and noise, fostering a quieter, more efficient workplace.
13) Motor maintenance-free:Discover the forefront of compressor technology with our pioneering maintenance-free permanent magnet motor design, expertly crafted to eliminate internal bearings. This groundbreaking innovation not only eradicates the hassle of bearing maintenance and replacements but also drastically reduces long-term upkeep costs. Consequently, our compressor systems offer heightened reliability, consistently delivering peak performance over extended periods. Embrace our cutting-edge solution for unparalleled cost-effectiveness and exceptional dependability.
14) Noise Reduction: Immerse yourself in the serenity provided by Sanzhi (Henan) Compressor Co., Ltd.'s state-of-the-art two-stage compression technology. This exceptional system is precisely engineered to refine the compression ratio, resulting in a substantial decrease in operational noise levels, especially during unloading phases. Experience a quieter, more efficient work environment that enhances productivity, thanks to the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Trust Sanzhi's unmatched engineering prowess to elevate the quality of your industrial operations.
15) Effortless Maintenance and Unmatched Service: Introduce yourself to the future of stress-free maintenance with our revolutionary two-stage compressor unit, meticulously designed by Sanzhi (Henan) Compressor Co., Ltd. This cutting-edge design preserves the familiar structure and systems of a single-stage compressor, with the distinction lying in the screw air end. This inventive design ensures that maintenance and service remain as simple and user-friendly as ever. Delight in seamless maintenance combined with consistent, superior performance with the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Rely on Sanzhi for effortless maintenance and extraordinary results.
| 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 unparalleled value with Sanzhi (Henan) Compressor Co., Ltd. When you collaborate with us, you embrace a world of factory-direct pricing excellence, offering you a formidable competitive edge within your industry. Elevate your market presence with our strategic pricing prowess, meticulously crafted to boost your profitability and solidify your market position.
2. Direct Transactions
Transform your purchasing experience through our cost-effective and seamless direct transaction model. Our efficient logistics pipeline delivers products straight from our factory to you, ensuring substantial savings and a consistently reliable supply chain that precisely meets your needs with unparalleled efficiency.
3. OEM & ODM Services
Capitalize on our advanced production and management capabilities to access superior OEM and ODM services. Each offering is tailored to align seamlessly with your unique needs, ensuring that all custom requirements are meticulously executed with precision and excellence.
4. Customized Solutions
Excel in handling non-standard and export orders with our tailor-made solutions. We expertly address a diverse range of voltage, power, and pressure specifications, crafting responses to meet your specific needs. Share your distinct requirements, and we'll develop solutions that align with your precise expectations flawlessly.
5. Small Order Acceptance
Embark on your journey with us through a small trial order and experience the exceptional quality of our products first-hand. Ensure your complete satisfaction before scaling to larger orders, providing you with the ultimate peace of mind and steadfast confidence in your decision.
6. Rapid Delivery
Enjoy peace of mind with our swift and reliable delivery services. We prioritize the rapid arrival of our premium products, guaranteeing your operations remain seamless and function at peak efficiency.
7. Comprehensive Authorization
Amplify your distribution capabilities with our comprehensive authorization certifications. Market and distribute SANZHI brand products with full confidence, supported by our extensive and rigorous certification process that empowers your success and drives your business growth.
Sanzhi (Henan) Compressor Co., Ltd stands as a distinguished leader in the innovative world of screw air compressors and vacuum pumps. With an illustrious track record spanning over a decade, we are proud to introduce a cutting-edge selection of products. Our comprehensive portfolio includes standard and low-pressure screw air compressors, as well as the revolutionary permanent magnet frequency conversion screw air compressors and advanced two-stage compression screw air compressors. Catering to specialized requirements, our laser cutting screw air compressors deliver precision and reliability. We also offer adaptable single-tank and double-tank mobile screw air compressors. Our electric and diesel mobile screw air compressors are engineered for top-tier performance. Additionally, our cutting-edge screw vacuum pumps are meticulously designed to meet the most rigorous industrial standards.
Our state-of-the-art production facility features advanced multi-air compressor assembly lines, ensuring unparalleled efficiency and precision in every unit. With a dedicated team of over 50 highly skilled experts, we are committed to enhancing our management systems, including ERP, to significantly reduce lead times, ensuring the rapid delivery of premium products. Our relentless pursuit of innovation propels us to the forefront of the industry, setting new benchmarks of excellence.
Our meticulously crafted management systems are designed to uphold the highest quality standards. Accredited with the esteemed ISO9001 quality management system certification, we maintain rigorous quality control procedures. Each machine undergoes comprehensive inspections throughout various stages, from material selection to production checks and pre-delivery evaluations, ensuring unmatched product reliability and excellence. Our unwavering commitment to quality offers you absolute confidence in superior performance.
Discover our exceptional customer service, starting with our pre-sales team offering expert guidance to select the ideal air equipment for diverse facilities. We provide extensive customization options, including design and configuration changes, delivering bespoke solutions to meet specific dealer needs through our OEM services. Our professional sales and support team is always on hand to provide swift and effective post-sales assistance, guaranteeing that your requirements are met promptly and accurately. Experience unrivaled customer care with Sanzhi.
At Sanzhi (Henan) Compressor Co., Ltd, we are dedicated to delivering products that epitomize superiority, reliability, and stability. Committed to fostering lasting partnerships with our clients, we ensure timely delivery, world-class machinery, and competitive pricing. Our mission is to offer the ideal compressed air solution tailored to your needs, delivering unparalleled value, performance, and satisfaction.
Situated in the scenic Xinzheng City, Henan Province, China, our factory is conveniently located just 30 kilometers from Xinzheng International Airport, providing easy access - only about an hour's drive away. We warmly welcome you to visit our facility and experience our exceptional offerings firsthand! Come and explore the unique Sanzhi experience in person.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a prominent manufacturer specializing in screw air compressors, with over a decade of profound industry expertise. Our extensive experience distinctly sets us apart in the market, highlighting our exceptional capabilities.
Q2. How do you control quality?
A: 1. We conduct comprehensive inspections of our raw materials to ensure superior quality before production begins.
2. Our installation process is meticulously monitored at every phase 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 information, and we will craft a flawlessly tailored solution uniquely for you! Our expertise guarantees that we meet your exact needs with precision and excellence.
Q4. What is the general unit conversion?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32 cfm. This precise conversion underlines the exceptional prowess of our compressors, empowering them to meet the extensive demands of industrial applications with superior performance and unparalleled efficiency.
1KW = 1.34 HP. This power conversion showcases the remarkable capability of our compressors, providing substantial power to ensure stable and dependable operation, even under the most demanding conditions.
Q5. What is the available voltage air compressor?
A: Sanzhi (Henan) Compressor Co., Ltd. offers a comprehensive range of voltage options, expertly catering to global requirements. Choose from 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our focus is on delivering precisely customized solutions to fulfill your specific electrical needs, ensuring superior compatibility and top-quality performance.
Q6. How long is the delivery time?
A: For standard voltage units, our streamlined processes guarantee shipment within an impressive 15 working days after order confirmation. For non-standard voltage requirements, reach out to our dedicated sales team for a detailed delivery schedule, tailored specifically to your requirements.
Q7. What's the payment term?
A: Our payment terms prioritize 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 flexibility and ease for seamless transactions.
Q8. How about your warranty?
A: Sanzhi offers a comprehensive warranty, delivering peace of mind: one year for the entire machine and two years for the screw air compressor, with consumable spare parts as the exception. This commitment underscores our focus on quality and durability.
Q9. What about the maintenance?
A: Initial maintenance is crucial and should be conducted after 500 operating hours. Subsequent maintenance is suggested between intervals of 2000-3000 hours, customized 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 even in extreme temperatures. They reliably maintain efficient operation across a broad spectrum of -20° to 45° (-4ºF to 113ºF), guaranteeing durability and dependability in the harshest conditions.
Q11. Do you offer OEM service?
A: Yes, we excel in providing both OEM and ODM services. Our expert design team is adept at realizing your custom orders, crafting tailor-made solutions that perfectly align with your specifications, enhancing brand identity and product differentiation.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously designed for exceptional longevity, offering an astounding lifespan that typically exceeds 10 years of reliable and efficient service, ensuring sustained productivity and value.
Q13. Will you provide some spare parts for the machines?
A: Absolutely, we provide a comprehensive selection of high-quality spare parts, designed to ensure your machines continue to operate seamlessly and maintain peak performance, thereby maximizing uptime and operational efficiency over the long term.
Q14. How about your after-sales service?
A: We deliver exceptional after-sales support, offering detailed online guidance for installation and commissioning. If required, we can arrange for expert engineers to provide hands-on training and thorough installation assistance, ensuring seamless integration and optimal operation.
){kind=link}