Unlock new horizons in operational excellence and bring your industrial capabilities to the forefront with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a radiant emblem of engineering sophistication. Crafted with precision and infused with state-of-the-art German engineering, this remarkable apparatus is proudly presented by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a forerunner in China's prestigious compressor industry. Prepare to elevate your operational efficiency with this pioneering technological marvel. At the core of this innovation is our esteemed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, reshaping factory pricing paradigms with elegance and efficiency. It seamlessly blends cost-effectiveness with unparalleled performance, making it an invaluable strategic asset for your business pursuits. Discover the zenith of engineering excellence with its avant-garde Centrifugal Fans, expertly designed to unlock exceptional energy efficiencies and considerably reduce your operational expenses. Engineered with meticulous precision for stable applications, this powerful machinery excels in meeting and surpassing the stringent demands of industrial environments. It delivers unrivaled performance, durability, and reliability, standing in a league of its own. Embrace the future of industrial compressors with a product that not only meets but surpasses expectations, enhancing productivity and sustainability. Propel your operations forward with Sanzhi's groundbreaking innovation, where cutting-edge technology harmonizes with steadfast reliability.
In-Depth Analysis: Immerse yourself in the captivating intricacies of our product's core structure - Frontside. Discover the astounding engineering expertise that forms the essence of our pioneering systems. Our meticulously crafted design represents the zenith of modern innovation and precision, setting new, unmatched standards in the industry while expanding the horizons of what's possible.
Revolutionary Working Principle: Take a leap into the future of air compression technology with an innovative principle set to revolutionize industry norms. This groundbreaking advancement propels performance to extraordinary levels, reshaping the landscape of air compression and creating a new benchmark for excellence.
Explore the forefront of air compression technology where exceptional efficiency is realized through the harmonious integration of single-stage and multi-stage systems. While ideal conditions suggest balanced energy distribution, real-world scenarios demand strategic adaptations to mitigate transmission losses, bearing friction, and cooling effects. By meticulously calibrating the compression ratio at each stage, multi-stage systems achieve exceptional efficiency, significantly reducing power usage compared to single-stage systems. This refined approach not only enhances overall system performance but also dramatically minimizes energy wastage, establishing a new standard in power optimization.
Introducing the cutting-edge 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological masterpiece features an advanced dual rotary screw configuration, where each stage comprises an active screw driving a passive partner through a precisely engineered external power transfer system. The first stage is managed by a low-pressure screw assembly optimized for maximum efficiency, leading to a high-pressure screw assembly in the second phase. At the heart of this advanced mechanism are sealing air films surrounding each screw, guiding compression through three critical stages: seamless intake, dynamic pressurization achieving unmatched efficiency, and a precise exhaust phase, completing the cycle with unparalleled precision.
First Stage Compression: The first phase of the two-stage screw air compressor showcases extraordinary engineering excellence. A precisely adjusted low-pressure screw assembly takes the lead, channeling gas into the compression chamber via a meticulously crafted suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, setting the stage for intensified compression in the next phase, thereby preparing the system for outstanding performance and efficiency.
Second Stage Compression: Advancing to the second stage, the gas is skillfully guided into a uniquely compact screw space where pressure and temperature are strategically elevated to remarkable levels. This phase culminates as the exhaust valve opens, releasing high-pressure gases from the system, marking the end of a complex compression cycle distinguished by exceptional efficiency and sophistication.
The refined air compression journey starts as ambient air seamlessly flows through the air filter, merging effortlessly with a trace of lubricating oil in the compression chamber. This blend undergoes initial compression to reach intermediate pressure, followed by significant cooling as it interacts with oil mist within the cooling channel. The cooled gas then advances to the second-stage rotor, where it undergoes a secondary compression phase to achieve the desired final exhaust pressure. This meticulously coordinated cycle concludes as the compressed gas is elegantly released through the exhaust valve, marking the completion of an exceptionally comprehensive and efficient air compression process.
| Sanzhi (Henan) Compressor Co,. Ltd. |
| Two-Stage Compression Permanent Magnet Variable Frequency Screw Air Compressor |
| 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. |
Discover the unparalleled precision and excellence embodied by Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors, the epitome of advanced engineering innovation. These state-of-the-art machines represent a seamless fusion of cutting-edge technology and everyday practicality, leveraging water's superior cooling capabilities to enhance lubrication and significantly prolong the lifespan of components prone to wear and tear. Through revolutionary techniques, these compressors meticulously purify internal elements while effectively dissipating heat from both cylinders and compressed air. The result is a remarkable reduction in exhaust temperatures and a substantial decrease in power consumption, culminating in exceptional savings in operational costs. To ensure optimal performance and unwavering reliability, vigilant monitoring of the cooling system and proactive management of potential scaling concerns are essential.
1) High efficiency of PM motor:Experience the excellence of our innovative permanent magnet (PM) motor, designed with meticulous precision for outstanding performance, delivering a consistent torque range and an expansive weak magnetic spectrum. This design achieves an extraordinary 20-30% increase in efficiency compared to traditional motors. Remarkably, the PM motor maintains its exceptional efficiency even beyond rated frequencies, ensuring top-tier performance in all conditions.
2) Motor maintenance-free:Introducing our revolutionary permanent magnet motor, featuring a bearing-free design that eliminates the conventional costs associated with motor bearing maintenance and replacement. This groundbreaking design paradigm significantly reduces overall maintenance expenses.
3) Integrated frequency converter: Our compressor is equipped with China's leading frequency system, offering extensive speed regulation with unparalleled precision. This adaptive system seamlessly adjusts to real-time gas demands, ensuring optimal energy efficiency and superior operational performance.
4) No transmission loss: Our compressor's visionary direct shaft connection design, coupled with an advanced permanent magnet motor, boasts a sleek and compact structure. This forward-thinking innovation eliminates the need for couplings and other transmission elements, ensuring flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design significantly reduces strain on power grid infrastructure, protecting electrical systems from potential damage and substantially prolonging the system's lifespan.
6) Reduced energy consumption: Our system features an exceptional frequency conversion range from 25% to 100%, surpassing the typical 50% to 100%, achieving over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency models. This results in substantial benefits for systems with variable gas consumption requirements.
7) Unique two-stage compression air end:Our expertly engineered two-stage compression screw machine seamlessly integrates primary and secondary compression rotors within a single casing. Each rotor operates independently, driven by gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-performance internal spray curtain cooling method provides exceptional cooling results, drastically reducing compressed air temperatures. This innovative approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system skillfully reduces compression ratios for each stage, significantly decreasing internal leakage between high and low-pressure ends, and boosting volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio notably decreases noise levels, especially during unloading operations, promoting a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures align with those of single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:Constructed with sound-dampening metal panels and lined with high-density sound-absorbing materials, the unit complies with international noise standards. The removable door panels offer expansive 270-degree access, significantly simplifying maintenance tasks and enhancing service efficiency.
1. Unbeatable Pricing Edge
Dive into a world where market dominance is within your grasp, thanks to our incredibly competitive ex-factory pricing. This strategic advantage not only equips our esteemed clients to compete but also to consistently outshine their rivals, carving a clear path to outstanding success and industry leadership.
2. Seamless Direct Transactions
Unlock a new level of efficiency with products dispatched directly from our state-of-the-art manufacturing hub. Our thoughtfully crafted, cost-effective solutions are tailored precisely to meet your specifications, guaranteeing unmatched precision and satisfaction at every stage of your collaboration with us.
3. Extensive OEM & ODM Solutions
Explore our vast production capabilities and leverage our expert management team to access superior OEM/ODM services. These finely tuned solutions are designed to fit seamlessly with your unique requirements and align perfectly with your business goals, ensuring your path to triumph.
4. Tailored Customization Service
Our specialty lies in customizing non-standard export orders through bespoke solutions across essential parameters like voltage, power, and pressure. Connect with us to explore solutions expertly tailored to meet and exceed your unique needs and demands.
5. Acceptance of Small Orders
Begin your adventure with us by placing a small trial order and witness the exceptional quality and performance our products deliver. Your complete satisfaction is our unwavering pledge and steadfast commitment.
6. Swift Delivery
Benefit from our rapid delivery services that keep your operations running smoothly and without delay. Our exceptional product offerings are perfectly paired with prompt delivery, consistently meeting your timeline.
7. Complete Authorization
Boost your business prestige with our full suite of authorization certificates. Our esteemed distributors are empowered to proudly represent and advocate for the SANZHI brand products, promoting them with pride, confidence, and unmatched assurance.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as an illustrious beacon in the realm of air compression technology, distinguished by over a decade of unmatched expertise. Our relentless pursuit of innovation has propelled us to the forefront of the industry, resulting in an array of groundbreaking products. Our portfolio boasts high-performance screw air compressors and trailblazing screw vacuum pumps, redefining benchmarks in the industry. We offer an extensive range of products, including standard and low-pressure screw air compressors, advanced models featuring permanent magnet frequency conversion technology, and formidable two-stage compression units. Each screw air compressor is crafted with precision to exceed industry standards, adeptly serving applications like laser cutting, diverse single-tank and double-tank mobile uses, alongside electric and diesel mobile configurations. Our cutting-edge screw vacuum pumps are synonymous with precision and dependability, securing our prestigious standing as industry leaders.
Our cutting-edge assembly lines epitomize manufacturing excellence, characterized by outstanding efficiency and production capacity. Our operations are driven by a dedicated team of over 50 expert professionals who continually enhance our management systems with a robust focus on ERP, ensuring drastically reduced lead times and punctual delivery of our premium offerings.
Our steadfast dedication to superior management protocols is affirmed by our esteemed ISO9001 quality management system certification. We rigorously adhere to the highest standards of quality through stringent control measures, ensuring each machine undergoes an exhaustive inspection process. This encompasses material assessments, production evaluations, and meticulous pre-delivery examinations, guaranteeing that only the most superior machinery is delivered to our valued clients.
Our unwavering commitment to exceptional customer service begins with professional pre-sales consultations, expertly guiding clients in selecting the optimal air equipment tailored to their specific requirements. Our unparalleled customization capabilities enable us to adapt both appearance and configuration to personal preferences, offering OEM services tailored to distinct dealer specifications. Our devoted sales and service team ensures swift and efficient responses, promising seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is unequivocal and steadfast: to offer exceptional, reliable products while nurturing lasting customer relationships. By seamlessly integrating swift delivery, superior product quality, and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically positioned in Xinzheng City, Henan Province, China, our factory provides unparalleled convenience to clients. We offer complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away-just a short one-hour drive. We cordially invite you to experience our distinguished facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer specializing in screw air compressors, drawing on over a decade of established industry excellence.
Q2. How do you control quality?
A: 1. We conduct comprehensive inspections of all raw materials to ensure superior quality.
2. Our precise assembly processes maintain exceptional standards of excellence.
3. Every machine is subjected to a rigorous minimum of five consecutive hours of testing before shipping to confirm its peak performance and reliability.
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 for your country (in V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Supply these details, and we will craft a bespoke solution perfectly aligned with your requirements!
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 for the air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we are proud to present an extensive range of voltage options, carefully designed to meet the diverse regional preferences of our valued clients. Discover our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast commitment to delivering customized solutions, complete with superior customization services, ensures an impeccable fit for your operational needs. This dedication guarantees unparalleled flexibility and top-tier performance, empowering your business with outstanding reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing promises completion within a remarkable 15 working days post-confirmation. For customized orders, our proactive sales team collaborates closely with you to establish a timeline that precisely aligns with your requirements, ensuring flawless and timely delivery. Our careful approach ensures your satisfaction and nurtures a relationship built on trust, consistently surpassing expectations.
Q7. What's the payment term?
A: Our payment terms are crafted for simplicity and convenience. Production begins with an initial 30% T/T payment, followed by 40% T/T pre-shipment, and concludes with the final 30% T/T upon receipt of the B/L copy. We accept payments in both USD and RMB, offering flexibility and ease for our esteemed clients, ensuring a smooth and streamlined transaction process.
Q8. How about your warranty?
A: Our warranty package is expertly designed to offer peace of mind and security. Enjoy a comprehensive one-year warranty on the entire machine along with an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive protection ensures unmatched security, safeguarding your investment with supreme confidence, enabling you to focus on your operations worry-free.
Q9. What about the maintenance?
A: To maintain optimal performance and prolong operational life, we recommend initiating maintenance after 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is vital for sustaining exceptional durability and reliability, ensuring your investment continues to deliver excellent performance over the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are engineered to thrive in high-temperature environments. They operate effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing dependable performance even under the most challenging conditions. Your operations will remain strong and productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are pleased to offer both OEM and ODM services, backed by our skilled design team. We warmly welcome custom orders and are dedicated to bringing your unique ideas to life, ensuring your vision is realized with precision and excellence. Partner with us for unparalleled customization and innovation as we strive to bring your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for exceptional longevity, typically boasting an impressive lifespan exceeding 10 years. This ensures consistent and long-lasting performance, reliably supporting your operations. Invest in our compressors for enduring dependability and peace of mind, knowing your choice will provide sustained benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to providing continuous support by supplying essential spare parts for your machines. This commitment ensures uninterrupted operations, enabling you to maintain peak performance while effectively minimizing downtime. Our dedication to your success is reflected in our comprehensive support and outstanding customer service.
Q14. How about your after-sales service?
A: Our after-sales service is designed to provide exceptional support and satisfaction. We offer 24/7 assistance to address your queries and concerns promptly. Our experienced team is dedicated to ensuring seamless operations and the longevity of our products. Trust in our commitment to excellence through continuous support and guidance, securing optimal performance and peace of mind.
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