Unlock the full potential of your operations with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, an epitome of engineering excellence. This exceptional machine, enriched with innovative German technology, is offered by the illustrious Sanzhi (Henan) Compressor Co., Ltd., a leader in China's compressor industry. Prepare to transform your operational efficiency with this groundbreaking technological marvel. At the core of this innovation is our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting a new standard in factory pricing strategies. It seamlessly combines economic efficiency with top-tier performance, proving to be a strategic asset for your business endeavors. Witness engineering brilliance with its advanced Centrifugal Fans, expertly crafted to achieve remarkable energy savings and substantially lower your operational expenses. Designed with precision for stationary applications, this robust machine excels in meeting and exceeding the stringent demands of industrial environments. It promises unparalleled performance, durability, and reliability that are second to none. Embrace the future of industrial compressors with a product that doesn't just fulfill but surpasses expectations, fostering enhanced productivity and sustainability. Propel your operations forward with Sanzhi's innovation, where cutting-edge technology harmonizes with steadfast reliability.
In-Depth Analysis: Embark on an enlightening journey into the sophisticated intricacies of our product's internal structure - Frontside. Discover the extraordinary engineering ingenuity that forms the core of our groundbreaking systems. Our meticulous design epitomizes cutting-edge innovation and precision, setting unmatched new benchmarks in the industry and expanding the possibilities of what can be achieved.
Revolutionary Working Principle: Welcome a transformative era in air compression technology, anchored by an innovative principle that aims to redefine industry paradigms. This revolutionary leap elevates performance to unprecedented heights, transforming our understanding of air compression and setting a new pinnacle of excellence.
Experience the pinnacle of air compression advancement, where supreme efficiency is realized through the harmonious synergy of single-stage and multi-stage systems. While ideal conditions suggest balanced energy distribution, real-world applications necessitate strategic adjustments to surmount transmission losses, bearing friction, and cooling effects. Through precise calibration of the compression ratio at each stage, multi-stage systems achieve remarkable efficiency, drastically lowering power consumption compared to single-stage systems. This refined approach not only enhances overall system performance but also significantly reduces excess energy use, establishing a revolutionary benchmark in power optimization.
Presenting the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This state-of-the-art technological marvel boasts a sophisticated dual rotary screw configuration, where each stage features an active screw that drives 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. Integral to this advanced mechanism are the sealing air films surrounding each screw, directing compression through three pivotal phases: smooth intake, dynamic pressurization that elevates efficiency to unprecedented heights, and a precise exhaust phase, completing the cycle with unmatched precision.
First Stage Compression: The initial phase of the two-stage screw air compressor stands as a testament to exceptional engineering. A finely-tuned low-pressure screw assembly takes the lead, guiding gas into the compression chamber through an expertly designed suction valve. As the rotor spins at impressive speeds, the gas undergoes preliminary compression, setting the stage for enhanced compression in the subsequent phase, thereby preparing the system for outstanding performance and efficiency.
Second Stage Compression: As the process advances to the second stage, the gas is skillfully directed into a uniquely compact screw space where both pressure and temperature are strategically elevated to extraordinary levels. This phase reaches its zenith as the exhaust valve opens, allowing high-pressure gases to exit the system, concluding an intricate compression cycle characterized by remarkable efficiency and sophistication.
The sophisticated air compression journey commences with ambient air flowing effortlessly through the air filter, merging seamlessly with a hint of lubricating oil in the compression chamber. This blend undergoes initial compression to reach intermediate pressure, followed by significant 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 culminates 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 unparalleled precision with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors, the epitome of advanced engineering. These state-of-the-art machines fuse innovation with practicality, utilizing water's superior cooling capabilities to enhance lubrication and significantly extend the lifespan of wear-prone components. Employing cutting-edge technology, these compressors meticulously cleanse internal components while effectively dissipating heat from cylinders and compressed air. This results in notably reduced exhaust temperatures and substantially lower power consumption, culminating in exceptional operational cost reductions. To ensure peak performance and steadfast reliability, it is imperative to monitor the cooling system closely and proactively manage potential scaling issues.
1) High efficiency of PM motor:Discover our innovative permanent magnet (PM) motor, designed for superior performance with a constant torque range and a broad weak magnetic spectrum. This translates to an impressive 20-30% efficiency increase over conventional motors. Even beyond rated frequencies, the PM motor maintains outstanding efficiency, delivering top-notch performance under all conditions.
2) Motor maintenance-free:Our pioneering permanent magnet motor features a bearing-free design, eliminating traditional costs associated with motor bearing maintenance and replacement. This revolutionary design significantly reduces overall maintenance expenses.
3) Integrated frequency converter: Featuring China's foremost frequency system, our compressor provides extensive speed regulation with unmatched precision. This adaptive system effortlessly adjusts to real-time gas demands, guaranteeing optimal energy efficiency and superior operational performance.
4) No transmission loss: With an innovative direct shaft connection design and a cutting-edge permanent magnet motor, our compressor boasts a sleek and compact structure. This forward-thinking design eliminates the need for couplings and other transmission components, ensuring flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design significantly reduces strain on power grid equipment, safeguarding electrical systems from potential harm and vastly extending the system's lifespan.
6) Reduced energy consumption: Our system features an impressive frequency conversion range from 25% to 100%, surpassing the standard 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 considerable advantages for systems with fluctuating gas consumption.
7) Unique two-stage compression air end:Our expertly crafted two-stage compression screw machine integrates primary and secondary compression rotors within a single casing. Each rotor is driven independently by gears, ensuring optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our efficient internal spray curtain cooling method offers outstanding cooling performance, dramatically lowering compressed air temperatures. This cutting-edge 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 effectively reduces compression ratios for each stage, significantly diminishing internal leakage between high and low-pressure ends, and elevating volumetric efficiency.
10) Noise reduction:In our two-stage system, a reduced compression ratio dramatically decreases noise levels, particularly during unloading operations, creating a quieter and more serene 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 meets international noise standards. The removable door panels provide extensive 270-degree access, greatly simplifying maintenance tasks and enhancing service efficiency.
1. Unbeatable Pricing Edge
Immerse yourself in a realm of unmatched market leadership by taking advantage of our irresistibly competitive ex-factory pricing. This strategic edge empowers our distinguished clients to not just compete but consistently surpass their competitors, forging a path to remarkable success and industry leadership.
2. Seamless Direct Transactions
Experience a new standard of efficiency with products delivered straight from our state-of-the-art manufacturing hub. Our strategically crafted, economically savvy solutions are custom-tailored to meet your precise specifications, ensuring unmatched accuracy and satisfaction at every stage of your collaboration with us.
3. Extensive OEM & ODM Solutions
Leverage our vast production capabilities and expert management team to access top-tier OEM/ODM services. These expertly tailored solutions are designed to seamlessly integrate with your specific requirements and align perfectly with your broader business goals, ensuring your success.
4. Tailored Customization Service
We excel in customizing non-standard export orders by offering tailored solutions in key parameters such as voltage, power, and pressure. Contact us to discover bespoke solutions meticulously crafted to address and satisfy your unique needs and demands.
5. Acceptance of Small Orders
Begin your journey with us by placing a small trial order to experience firsthand the exceptional quality and performance our products consistently deliver. Your complete satisfaction is our steadfast promise and unwavering commitment.
6. Swift Delivery
Seize the benefits of our expedited delivery services, ensuring your operations continue smoothly and without interruption. Our superior product offerings are complemented by prompt delivery, guaranteed to meet your schedule every time.
7. Complete Authorization
Enhance your business stature with our full range of authorization certificates. Our esteemed distributors can confidently represent and advocate for the prestigious SANZHI brand products, promoting them with pride, assurance, and unwavering confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of excellence in the air compression arena, drawing upon an illustrious decade-plus of unmatched expertise. Our trailblazing journey in technological innovation has birthed a distinguished suite of state-of-the-art products, which include high-performance screw air compressors and revolutionary screw vacuum pumps. Our extensive product line boasts standard and low-pressure screw air compressors, as well as groundbreaking models featuring permanent magnet frequency conversion technology, and robust two-stage compression units. Each screw air compressor is meticulously crafted to not only meet but exceed industry benchmarks, excelling across applications such as laser cutting, versatile single-tank and double-tank mobile uses, and both electric and diesel mobile configurations. Additionally, our pioneering screw vacuum pumps redefine precision and reliability, solidifying our esteemed status as frontrunners in the industry.
With state-of-the-art assembly lines, our manufacturing prowess is truly unparalleled, embodying exceptional efficiency and production capabilities. Our operations are powered by a team of over 50 seasoned professionals continually advancing our management systems, with a particular emphasis on ERP, ensuring remarkably reduced lead times and punctual delivery of our premium products.
Our unwavering dedication to superior management practices is underscored by our prestigious ISO9001 quality management system certification. We adhere to the highest quality benchmarks through rigorous control protocols, certifying that each machine undergoes an exhaustive inspection regimen, which includes material evaluations, production analyses, and thorough pre-delivery checks, ensuring that only the finest machinery is delivered to our valued clients.
Our relentless pursuit of stellar customer service begins with expert pre-sales consultations, guiding clients in selecting the ideal air equipment tailored to their distinct needs. Our unrivaled customization capabilities empower us to modify both appearance and configuration according to personal tastes, offering OEM services to cater to specific dealer requirements. Our dedicated sales and service team promises rapid and effective responses, ensuring seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is unequivocal: to provide exceptional, reliable products while fostering lasting customer relationships. By seamlessly combining rapid delivery, top-tier product quality, and competitive pricing, we position ourselves as your trusted partner for all-encompassing compressed air solutions.
Strategically nestled in Xinzheng City, Henan Province, China, our factory offers unparalleled convenience to clients. We offer complimentary transportation from Xinzheng International Airport, a brief 30 kilometers away-a mere hour's drive. We warmly welcome you to visit our prestigious facilities.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer boasting specialized expertise in screw air compressors, backed by over a decade of proven industry excellence.
Q2. How do you control quality?
A: 1. We implement comprehensive inspections on all raw materials to ensure superior quality.
2. Our precise assembly procedures uphold exceptional standards of excellence.
3. Every machine undergoes a stringent minimum of five consecutive hours of testing prior to dispatch to verify 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).
Provide these specifics, and we will engineer a bespoke 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 air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we proudly offer a diverse range of voltage options, meticulously tailored to satisfy the regional preferences of our esteemed clientele. Experience our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to providing tailor-made solutions, complemented by exceptional customization services, guarantees a seamless fit for your operational requirements. This commitment ensures unmatched flexibility and superior performance, empowering your business with exceptional 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 with you to establish a timeline that impeccably aligns with your needs, ensuring smooth and punctual delivery. Our meticulous strategy assures your satisfaction and fosters a trust-filled relationship that consistently exceeds expectations.
Q7. What's the payment term?
A: Our payment terms are structured for ease and simplicity. 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 USD and RMB, providing flexibility and convenience 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 assurance and peace of mind. Enjoy a one-year warranty on the entire machine and an additional two-year warranty for the screw air compressor, excluding consumable parts. This comprehensive protection ensures unrivaled security, safeguarding your investment with outstanding assurance, allowing you to concentrate on your operations stress-free.
Q9. What about the maintenance?
A: To ensure optimal performance and extended 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 crucial for sustaining superior durability and reliability, ensuring your investment continues to deliver excellent performance over time.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our resilient machines are expertly engineered to excel in high-temperature environments. They operate effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing reliable performance even in the most challenging conditions. Your operations will remain robust 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 transforming your unique ideas into reality, ensuring your vision is executed with precision and excellence. Partner with us for unmatched customization and innovation as we strive to bring your concepts to life.
Q12. How long could your air compressor be used?
A: Our air compressors are precision-engineered for remarkable longevity, typically offering an impressive lifespan exceeding 10 years. This ensures consistent and enduring performance, reliably supporting your operations. Invest in our compressors for long-term dependability and peace of mind, knowing your choice will yield 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 commitment ensures continuous operations, enabling you to maintain optimal 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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