Unlock unprecedented possibilities in operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a true symbol of engineering brilliance. This extraordinary machine, enriched with cutting-edge German engineering, is proudly introduced by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a trailblazer in China's celebrated compressor industry. Prepare to elevate your operational efficiency with this visionary technological marvel. At the core of this innovation is our renowned Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, revolutionizing industry pricing standards. It seamlessly combines cost-effectiveness with superior performance, emerging as a vital strategic asset for your business endeavors. Experience the zenith of engineering excellence with its state-of-the-art Centrifugal Fans, expertly crafted to deliver exceptional energy efficiencies and substantially lower your operational expenses. Precision-engineered for stable applications, this powerful machinery excels in meeting and surpassing the rigorous demands of industrial environments, offering unmatched performance, durability, and reliability. Step into the future of industrial compressors with a product that not only meets but exceeds expectations, enhancing productivity and sustainability. Propel your operations with Sanzhi's revolutionary innovation, where cutting-edge technology meets steadfast reliability.
In-Depth Analysis: Embark on a fascinating journey through the intricacies of our product's internal architecture - Frontside. Witness the extraordinary engineering prowess that forms the core of our innovative systems. Our design exemplifies the zenith of state-of-the-art innovation and precision, setting unprecedented standards in the industry while expanding the boundaries of potential.
Revolutionary Working Principle: Welcome a groundbreaking era in air compression technology with an innovative principle set to redefine industry norms. This breakthrough propels performance to astounding new levels, revolutionizing our understanding of air compression and establishing a benchmark of unparalleled excellence.
Explore the pinnacle of air compression innovation where exceptional efficiency is realized through the harmonious integration of single-stage and multi-stage systems. While ideal scenarios suggest an even energy distribution, real-world applications necessitate strategic adjustments to mitigate transmission losses, bearing friction, and cooling effects. By finely tuning the compression ratio at each stage, multi-stage systems achieve remarkable efficiency, significantly reducing power consumption compared to single-stage counterparts. This refined approach not only enhances system performance but also drastically reduces excess energy usage, setting a revolutionary 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 wonder features a sophisticated dual rotary screw setup, each stage housing an active screw that drives a passive counterpart through a precisely engineered external power transfer mechanism. The initial stage is managed by a low-pressure screw assembly designed for optimum efficiency, followed by a high-pressure screw assembly in the next phase. Key to this advanced operation are the sealing air films surrounding each screw, channeling compression through three critical stages: seamless intake, dynamic pressurization that elevates efficiency to unparalleled heights, and a precise exhaust phase, culminating the cycle with remarkable accuracy.
First Stage Compression: The inaugural phase of the two-stage screw air compressor exemplifies exceptional engineering. A meticulously calibrated low-pressure screw assembly initiates the process, directing gas into the compression chamber via an expertly designed suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, paving the way for intensified compression in the following phase, thus preparing the system for extraordinary efficiency and performance.
Second Stage Compression: Advancing to the second stage, the gas is deftly maneuvered into a uniquely compact screw space where pressure and temperature are strategically increased to exceptional levels. This phase reaches its peak as the exhaust valve opens, releasing high-pressure gases from the system, marking the conclusion of an intricate compression cycle distinguished by superior efficiency and sophistication.
The sophisticated air compression journey embarks as ambient air glides effortlessly through the air filter, merging seamlessly with a hint of lubricating oil in the compression chamber. This blend experiences initial compression to achieve intermediate pressure, followed by substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then transitions to the second-stage rotor, undergoing further compression to reach the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is gracefully released through the exhaust valve, completing 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. |
Experience unrivaled precision and excellence with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors, epitomizing the zenith of engineering innovation. These advanced machines flawlessly blend cutting-edge technology with practicality, utilizing water's superior cooling attributes to enhance lubrication and significantly prolong the lifespan of vulnerable components. Through pioneering techniques, these compressors meticulously cleanse internal elements while effectively dissipating heat from cylinders and compressed air. The result is a remarkable reduction in exhaust temperatures and a substantial decrease in power consumption, culminating in exceptional operational cost savings. To preserve optimal performance and unwavering reliability, careful monitoring of the cooling system and proactive management of potential scaling issues are essential.
1) High efficiency of PM motor:Discover the power of our innovative permanent magnet (PM) motor, expertly engineered for outstanding performance with consistent torque and an extensive weak magnetic range. This design achieves a remarkable 20-30% increase in efficiency over traditional motors. Notably, the PM motor maintains its excellent efficiency beyond rated frequencies, ensuring superior performance under all conditions.
2) Motor maintenance-free:Presenting our revolutionary permanent magnet motor, featuring a bearing-free design that eradicates the conventional costs associated with motor bearing maintenance and replacement. This groundbreaking design significantly reduces total maintenance expenses.
3) Integrated frequency converter: Equipped with China's top frequency system, our compressor facilitates extensive speed regulation with unparalleled precision. This adaptive system seamlessly adapts to real-time gas demands, ensuring optimal energy efficiency and superior operational performance.
4) No transmission loss: Our compressor's visionary direct shaft connection, coupled with an advanced permanent magnet motor, reveals a sleek and compact design. This forward-thinking innovation eliminates the need for couplings and other transmission elements, guaranteeing impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our state-of-the-art motor design significantly reduces strain on power grid infrastructure, protecting electrical systems from potential damage and considerably prolonging their lifespan.
6) Reduced energy consumption: Our system boasts an exceptional frequency conversion range of 25% to 100%, beyond the usual 50% to 100%, achieving over 30% energy savings compared to fixed-speed compressors and about 5% more than standard variable frequency models. This results in substantial benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly crafted two-stage compression screw machine seamlessly incorporates primary and secondary compression rotors within a single casing. Each rotor functions independently, driven by gears to ensure optimal linear speed and unrivaled compression efficiency.
8) Internal spray curtain cooling method: Our high-performance internal spray curtain cooling method delivers exceptional cooling results, dramatically lowering 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 expertly 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, fostering a quieter and more peaceful working environment.
11) Easy maintenance and service:Despite its advanced 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:6c3bc8cb
1. Unbeatable Pricing Edge
Immerse yourself in an arena of market dominance with our extraordinarily competitive ex-factory pricing. This distinct strategic advantage not only positions our esteemed clients to compete but also enables them to consistently outshine their rivals. Take this opportunity to pave your way to remarkable success and industry leadership with unmatched pricing benefits.
2. Seamless Direct Transactions
Experience an unparalleled level of efficiency with direct deliveries from our state-of-the-art manufacturing facility. Our meticulously designed, cost-effective solutions are crafted with precision to meet your unique specifications. Enjoy impeccable accuracy and unmatched satisfaction at every stage of your partnership with us, ensuring a smooth and seamless transaction experience.
3. Extensive OEM & ODM Solutions
Leverage our expansive production capabilities and expert management team to access top-tier OEM/ODM services. These expertly engineered solutions are designed to integrate effortlessly with your distinct needs and align perfectly with your business objectives, ensuring your journey to success is secure and seamless.
4. Tailored Customization Service
Specializing in customizing non-standard export orders, we provide bespoke solutions across critical parameters such as voltage, power, and pressure. Partner with us to explore solutions crafted with precision to address and fulfill your distinctive requirements and aspirations.
5. Acceptance of Small Orders
Begin your journey with us by placing a small trial order to witness the extraordinary quality and performance our products consistently deliver. Your complete satisfaction stands as our unwavering promise and steadfast commitment, ensuring a partnership built on trust and excellence.
6. Swift Delivery
Experience the benefits of our rapid delivery services, ensuring your operations continue seamlessly and uninterrupted. Our exceptional product offerings are harmonized with prompt delivery, consistently aligning with your operational schedule and enhancing productivity.
7. Complete Authorization
Enhance your business prestige through our comprehensive array of authorization certificates. Our distinguished distributors are empowered to represent and champion the esteemed SANZHI brand products with pride and unwavering confidence, promoting them with assurance and prestige.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands as a beacon of air compression excellence, proudly drawing from over a decade of unparalleled expertise. We are at the forefront of technological innovation, offering an extraordinary collection of state-of-the-art products. These include high-efficiency screw air compressors and groundbreaking screw vacuum pumps that redefine industry benchmarks. Our extensive product range encompasses standard and low-pressure screw air compressors, cutting-edge models featuring permanent magnet frequency conversion technology, and powerful two-stage compression units. Every screw air compressor is designed with precision to exceed industry norms, successfully serving diverse applications like laser cutting, flexible single-tank and double-tank mobile operations, as well as both electric and diesel mobile configurations. Additionally, our pioneering screw vacuum pumps bring new levels of precision and reliability, securing our position as industry trailblazers.
Our cutting-edge assembly lines are a testament to our unmatched manufacturing prowess, marked by superior efficiency and production capacity. Our operations are propelled by a team of over 50 seasoned professionals, who continuously optimize our management systems with a strong emphasis on ERP, significantly curtailing lead times and ensuring the prompt delivery of our high-quality products.
Our steadfast commitment to excellence in management practices is highlighted by our prestigious ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, ensuring that each machine undergoes a thorough inspection process. This includes material evaluations, production analyses, and comprehensive pre-delivery checks, ensuring that only the finest machinery is delivered to our esteemed clients.
Our tireless dedication to outstanding customer service begins with expert pre-sales consultations, assisting clients in selecting the perfect air equipment tailored to their specific requirements. Our unmatched customization capabilities enable us to alter both the appearance and configuration to meet personal preferences, offering OEM services to accommodate specific dealer requirements. Our committed sales and service team guarantees rapid and effective responses, promising seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is unmistakable and unwavering: to provide exceptional, dependable products while nurturing lasting customer relationships. By seamlessly integrating swift delivery, superior product quality, and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory offers unrivaled accessibility for clients. We provide complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away-just an hour's drive. We warmly invite you to visit and experience our prestigious facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a distinguished manufacturer with specialized expertise in screw air compressors, supported by over a decade of proven industry excellence.
Q2. How do you control quality?
A: 1. We execute comprehensive inspections on all raw materials to ensure superior quality.
2. Our precise assembly procedures maintain exceptional standards of excellence.
3. Every machine undergoes a rigorous minimum of five consecutive hours of testing before dispatch to confirm its optimal 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).
Provide these specifics, and we will craft a custom solution perfectly aligned with your needs!
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 take pride in offering an extensive selection of voltage options, meticulously curated to cater to the varied regional demands of our esteemed clientele. Explore our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to providing tailored solutions, complete with exceptional customization services, guarantees a perfect match for your operational needs. This commitment ensures unparalleled flexibility and exceptional performance, empowering your enterprise with remarkable reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our efficient order processing ensures completion within an impressive 15 working days post-confirmation. For customized orders, our proactive sales team collaborates closely with you to craft a timeline that perfectly aligns with your needs, ensuring seamless and punctual delivery. Our meticulous approach ensures your satisfaction and fosters a relationship built on trust, consistently exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are designed for ease and convenience. Production commences with an initial 30% T/T payment, followed by 40% T/T pre-shipment, concluding with the final 30% T/T upon receipt of the B/L copy. We accept payments in both USD and RMB, offering flexibility and simplicity for our valued clients, ensuring a seamless and streamlined transaction process.
Q8. How about your warranty?
A: Our warranty package is thoughtfully crafted to provide peace of mind and assurance. 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 coverage offers unmatched security, protecting your investment with supreme confidence, enabling you to focus on your operations without worry.
Q9. What about the maintenance?
A: To sustain optimal performance and extend operational life, we recommend initiating maintenance after 500 hours of usage. Thereafter, regular servicing every 2000-3000 hours is advisable, tailored to your specific working conditions. This routine maintenance is key to maintaining exceptional durability and reliability, ensuring your investment continues to deliver outstanding performance over time.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are meticulously engineered to excel in high-temperature environments. They function smoothly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring steadfast performance even under the most demanding conditions. Your operations will remain strong and productive, consistently achieving success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, supported by our adept design team. We warmly welcome custom orders and are committed to transforming your unique ideas into reality, ensuring your vision is realized with precision and excellence. Partner with us for unrivaled customization and innovation as we endeavor to bring your concepts to fruition.
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 guarantees consistent and enduring 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 offering ongoing support by supplying essential spare parts for your machines. This dedication ensures uninterrupted operations, enabling you to maintain peak performance while effectively minimizing downtime. Our commitment to your success is reflected in our comprehensive support and exceptional customer service.
Q14. How about your after-sales service?
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