Unleash the potential of unparalleled operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a true marvel of engineering brilliance. This extraordinary creation, crafted with precision German engineering, is proudly presented by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a trailblazer in China's distinguished compressor industry. Prepare to significantly boost your operational efficiency with this groundbreaking technological wonder. At the core of this innovation is our renowned Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting groundbreaking standards in factory pricing strategies. It harmoniously blends affordability with exceptional performance, positioning itself as an essential strategic advantage for your business endeavors. Revel in the zenith of engineering acumen with its state-of-the-art Centrifugal Fans, meticulously engineered to unveil remarkable energy efficiencies, thereby dramatically lowering your operational expenses. Designed with meticulous precision for unwavering applications, this robust machinery excels in meeting and surpassing the stringent demands of industrial environments. It offers unparalleled performance, unparalleled durability, and unmatched reliability. Embrace the future of industrial compressors with a product that not only meets but consistently surpasses expectations, boosting productivity and sustainability. Propel your operations into the next era with Sanzhi's revolutionary innovation, where cutting-edge technology meets steadfast reliability.
In-Depth Analysis: Embark on a journey through the captivating intricacies of our product's internal framework - Frontside. Unveil the exquisite engineering craftsmanship that forms the core of our trailblazing systems. Our meticulously crafted design exemplifies the pinnacle of cutting-edge innovation and precision, establishing new, unparalleled benchmarks in the industry while expanding the horizons of possibilities.
Revolutionary Working Principle: Herald a new era in air compression technology with a groundbreaking principle set to redefine industry standards. This revolutionary advancement propels performance to new, unprecedented heights, reshaping our understanding of air compression and setting a new standard of excellence.
Explore the zenith of air compression innovation where exceptional efficiency emerges through the seamless marriage of single-stage and multi-stage systems. While ideal conditions suggest an equilibrium in energy distribution, real-world applications require strategic adaptations to overcome transmission losses, bearing friction, and cooling effects. Through precise calibration of compression ratios at each stage, multi-stage systems achieve remarkable efficiency, significantly reducing power consumption compared to single-stage systems. This refined methodology not only elevates overall system performance but also significantly minimizes excess energy use, establishing a groundbreaking benchmark in power optimization.
Presenting the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel features a sophisticated dual rotary screw configuration, each stage boasting an active screw propelling a passive counterpart via a meticulously engineered external power transfer mechanism. The initial stage is governed by a low-pressure screw assembly optimized for peak efficiency, followed by a high-pressure screw assembly in the subsequent phase. Central to this advanced mechanism are sealing air films enveloping each screw, channeling compression through three pivotal stages: seamless intake, dynamic pressurization that elevates efficiency to unprecedented levels, and a precise exhaust phase, completing the cycle with unmatched precision.
First Stage Compression: The initial phase of the two-stage screw air compressor exemplifies extraordinary engineering. A precisely tuned low-pressure screw assembly leads the charge, guiding gas into the compression chamber through an expertly crafted suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, setting the stage for enhanced compression in the subsequent phase, thus preparing the system for exceptional performance and efficiency.
Second Stage Compression: Moving into the second stage, the gas is expertly guided into a uniquely compact screw space where pressure and temperature are strategically elevated to extraordinary levels. This phase culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, marking the end of an intricate compression cycle characterized by remarkable efficiency and sophistication.
The sophisticated air compression journey commences as ambient air flows effortlessly through the air filter, merging seamlessly with a trace of lubricating oil in the compression chamber. This blend undergoes initial compression to reach intermediate pressure, followed by substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, undergoing a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is elegantly expelled through the exhaust valve, marking the completion of an exceptionally thorough 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 the epitome of precision and excellence with Sanzhi (Henan) Compressor Co., Ltd.'s exceptional water-cooled compressors, crafted to represent the zenith of innovative engineering. Our cutting-edge machines seamlessly marry state-of-the-art technology with practical daily applications, skillfully leveraging water's superior cooling capabilities to enhance lubrication and dramatically prolong the lifespan of key components prone to wear. Through pioneering techniques, these compressors meticulously cleanse internal components while efficiently dispersing heat from both cylinders and compressed air. This results in a remarkable lower exhaust temperature and a substantial reduction in power usage, enabling exceptional savings in operational expenses. To ensure peak performance and consistent reliability, meticulous monitoring of the cooling system and proactive management of potential scaling issues is crucial.
1) High efficiency of PM motor:Discover the extraordinary prowess of our advanced permanent magnet (PM) motor, expertly crafted for exceptional performance across a consistent torque range and a wide weak magnetic spectrum. This sophisticated design achieves an impressive 20-30% increase in efficiency compared to traditional motors. Remarkably, the PM motor maintains its superior efficiency even beyond rated frequencies, delivering unparalleled performance under all circumstances.
2) Motor maintenance-free:Presenting our revolutionary permanent magnet motor, featuring a pioneering bearing-free design that eradicates conventional costs associated with motor bearing maintenance and replacement. This groundbreaking design significantly cuts down on overall maintenance expenditures.
3) Integrated frequency converter: Featuring China's premier frequency system, our compressor facilitates extensive speed regulation with unmatched precision. This versatile system instinctively adapts to real-time gas demands, ensuring optimal energy efficiency and peak operational performance.
4) No transmission loss: Our compressor's innovative direct shaft connection design, coupled with a sophisticated permanent magnet motor, reveals a sleek, compact structure. This forward-thinking innovation eradicates 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 drastically diminishes strain on power grid infrastructure, protecting electrical systems from potential damage and significantly extending the lifespan of the system.
6) Reduced energy consumption: Our system proudly showcases an exceptional frequency conversion range from 25% to 100%, surpassing the usual 50% to 100%, achieving over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency models. This delivers notable benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly crafted two-stage compression screw machine effortlessly combines primary and secondary compression rotors within a single casing. Each rotor operates independently, driven by gears to ensure optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-performance internal spray curtain cooling method delivers superior cooling results, dramatically lowering compressed air temperatures. This avant-garde approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and enhancing overall compression efficiency.
9) Reduced internal leakage:The sophisticated two-stage compression system adeptly reduces the compression ratios for each stage, markedly minimizing internal leakage between high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:Our refined two-stage system's reduced compression ratio notably diminishes noise levels, especially during unloading operations, fostering a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures align seamlessly 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
Immerse yourself in a universe of competitive power with our irresistibly attractive ex-factory pricing. This unique strategic advantage empowers our valued clients to excel, enabling them to not only match but consistently outshine their competitors. This positions them on a trajectory of remarkable success and industry leadership.
2. Seamless Direct Transactions
Experience exceptional efficiency with products delivered straight from our state-of-the-art manufacturing facility. Our meticulously crafted, cost-effective solutions are tailored to your precise specifications, guaranteeing unparalleled precision and satisfaction at every stage of your collaboration with us.
3. Extensive OEM & ODM Solutions
Leverage our expansive production capabilities and expert management team for premium OEM/ODM services. These solutions are crafted with precision to seamlessly fit your unique requirements and align effortlessly with your overarching business goals, securing a successful trajectory for your operations.
4. Tailored Customization Service
We excel in customizing non-standard export orders with bespoke solutions in key areas like voltage, power, and pressure. Contact us to uncover solutions expertly crafted to meet your distinct requirements and exceed your expectations.
5. Acceptance of Small Orders
Begin your journey with us by placing a small trial order to witness the exceptional quality and performance our products consistently deliver. Your complete satisfaction is our unwavering commitment and promise.
6. Swift Delivery
Benefit from our rapid delivery services, ensuring your operations maintain a seamless flow without disruption. Our superior product offerings are perfectly complemented by prompt deliveries, always in sync with your schedule.
7. Complete Authorization
Enhance your business stature with our complete suite of authorization certificates. Our distinguished distributors are empowered to represent and champion the SANZHI brand with pride, assurance, and unwavering confidence, promoting our products to new heights.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of excellence in air compression technology, boasting over ten years of unmatched expertise. Our path of innovation has paved the way for a remarkable range of state-of-the-art products. These include top-tier screw air compressors and groundbreaking screw vacuum pumps that redefine industry benchmarks. Our extensive product suite encompasses standard and low-pressure screw air compressors, advanced models equipped with permanent magnet frequency conversion technology, and sturdy two-stage compression units. Each screw air compressor is crafted with precision to not only meet but exceed industry norms, excelling in various applications such as laser cutting, flexible single-tank and double-tank mobile uses, as well as electric and diesel mobile configurations. Additionally, our innovative screw vacuum pumps epitomize precision and reliability, reinforcing our dominant position as industry frontrunners.
Our cutting-edge assembly lines signify manufacturing brilliance, marked by unparalleled efficiency and production capabilities. Our operations are fueled by a team of over 50 skilled professionals who constantly optimize our management frameworks, with a keen emphasis on ERP, ensuring drastically reduced lead times and punctual delivery of our elite products.
Our steadfast dedication to superior management practices is highlighted by our esteemed ISO9001 quality management system certification. We adhere to the highest quality protocols through rigorous control measures, ensuring that each machine undergoes an exhaustive inspection process. This includes material assessments, production evaluations, and thorough pre-delivery checks, ensuring that only the finest machinery reaches our valued clients.
Our tireless dedication to exceptional customer service begins with expert pre-sales consultations, assisting clients in selecting the optimal air equipment tailored to their specific needs. Our unmatched customization capabilities allow us to adapt both appearance and configuration according to individual preferences, offering OEM services to meet particular dealer demands. Our committed sales and service team promises prompt and effective responses, ensuring seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, we are driven by a clear and unwavering mission: to provide outstanding, dependable products while nurturing lasting customer relationships. By seamlessly merging rapid delivery, superior product quality, and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically situated in Xinzheng City, Henan Province, China, our factory offers unmatched convenience to clients. We provide complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away-just an hour's drive. We warmly invite you to witness our esteemed facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced 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 conduct comprehensive inspections on all raw materials to ensure superior quality.
2. Our meticulous assembly procedures uphold exceptional standards of excellence.
3. Every machine undergoes a rigorous minimum of five consecutive hours of testing before dispatch to verify 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 details, and we will engineer a customized 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 immense pride in presenting a wide array of voltage options, meticulously tailored 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 bespoke solutions, bolstered by superior customization services, ensures a perfect match for your operational needs. This commitment guarantees unparalleled adaptability and premium performance, empowering your business with extraordinary reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our efficient order processing guarantees completion within an impressive 15 working days post-confirmation. For custom orders, our dynamic sales team collaborates closely with you to establish a timeline that perfectly aligns with your needs, ensuring seamless and on-time delivery. Our meticulous approach ensures your satisfaction and fosters a relationship grounded in trust, continuously exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are designed for ease and efficiency. Production commences with an upfront 30% T/T payment, progresses with 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, providing flexibility and convenience for our valued clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty package is meticulously crafted to provide peace of mind and assurance. Benefit from 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 ensures unmatched protection, safeguarding your investment with the utmost confidence, allowing you to focus on your operations without worry.
Q9. What about the maintenance?
A: To maintain peak performance and extend operational longevity, we recommend initiating maintenance after the first 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advised, customized to suit your specific working conditions. This routine maintenance is crucial for sustaining exceptional durability and reliability, ensuring your investment continues to deliver outstanding performance over the years.
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 operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring dependable performance even under the most demanding conditions. Your operations will remain strong and productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, supported by our expert design team. We warmly welcome custom orders and are dedicated to bringing your unique ideas to fruition, ensuring your vision is executed with precision and excellence. Collaborate with us for exceptional customization and innovation as we endeavor to transform your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously crafted for exceptional durability, 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 ongoing support by supplying essential spare parts for your machines. This pledge 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 exceptional customer service.
Q14. How about your after-sales service?
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