Unlock the full potential of your operations with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a true epitome of engineering excellence and innovation. This exceptional machine, enriched with state-of-the-art German technology, is presented by the illustrious Sanzhi (Henan) Compressor Co., Ltd., an undisputed 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 revolutionary standard in factory pricing strategies. This masterpiece seamlessly integrates economic efficiency with top-tier performance, proving to be a strategic asset for your business endeavors. Witness the pinnacle of engineering brilliance with its advanced Centrifugal Fans, expertly crafted to achieve remarkable energy savings and significantly lower your operational expenses. Designed with precision for stationary applications, this robust machine is engineered to excel in meeting and exceeding the stringent demands of industrial environments. It promises unparalleled performance, durability, and reliability that are truly second to none. Embrace the future of industrial compressors with a product that not only fulfills but surpasses expectations, driving enhanced productivity and sustainability. Propel your operations forward with Sanzhi's innovation, where cutting-edge technology harmonizes perfectly with steadfast reliability.
In-Depth Analysis: Embark on a captivating exploration of the intricate architecture of our product's internal structure - Frontside. Unveil the remarkable engineering brilliance that defines the heart of our groundbreaking systems. Our meticulously crafted design represents the pinnacle of cutting-edge innovation and precision, setting new unparalleled standards in the industry and expanding the horizons of what is achievable.
Revolutionary Working Principle: Usher in a transformative era in air compression technology, centered around an ingenious principle that aims to redefine industry standards. This groundbreaking advancement propels performance to extraordinary levels, transforming our perception of air compression and setting a new standard of excellence.
Witness the zenith of air compression technology, where supreme efficiency emerges from the seamless integration of single-stage and multi-stage systems. Ideal conditions suggest balanced energy distribution, yet real-world applications demand strategic adaptations to overcome transmission losses, bearing friction, and cooling impacts. Through meticulous calibration of the compression ratio at every stage, multi-stage systems achieve remarkable efficiency, dramatically reducing power usage compared to single-stage systems. This refined methodology not only boosts overall system performance but also significantly curtails excess energy consumption, establishing a groundbreaking benchmark in power optimization.
Introducing the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This state-of-the-art technological marvel features a sophisticated dual rotary screw configuration, with each stage comprising an active screw driving a passive counterpart via a meticulously engineered external power transfer mechanism. The initial stage is governed by a low-pressure screw assembly, fine-tuned for optimal efficiency, followed by a high-pressure screw assembly in the subsequent phase. Central to this advanced mechanism are sealing air films encircling each screw, guiding compression through three crucial phases: seamless intake, dynamic pressurization elevating efficiency to unprecedented heights, and a precise exhaust phase, completing the cycle with unmatched finesse.
First Stage Compression: The initial phase of the two-stage screw air compressor stands as a testament to exceptional engineering. A precisely tuned low-pressure screw assembly leads the way, directing 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 following phase, thereby preparing the system for outstanding performance and efficiency.
Second Stage Compression: As the process progresses to the second stage, the gas is skillfully guided into a uniquely compact screw space where both pressure and temperature are strategically elevated to extraordinary levels. This phase reaches its peak as the exhaust valve opens, allowing high-pressure gases to exit the system, concluding a finely tuned compression cycle characterized by remarkable efficiency and sophistication.
The sophisticated air compression journey begins with ambient air flowing effortlessly through the air filter, merging seamlessly with a touch 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 the pinnacle of precision with the Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors, a true embodiment of advanced engineering excellence. These state-of-the-art machines expertly blend groundbreaking innovation with practical utility. By harnessing water's superior cooling properties, they not only enhance lubrication but also dramatically extend the lifespan of components vulnerable to wear. With cutting-edge technology at its core, these compressors meticulously cleanse internal parts while efficiently dissipating heat from cylinders and compressed air. The result? Significantly reduced exhaust temperatures and remarkably lower power consumption, leading to exceptional operational cost savings. To maintain peak performance and unwavering reliability, it's crucial to closely monitor the cooling system and proactively address any potential scaling issues.
1) High efficiency of PM motor:Explore our groundbreaking permanent magnet (PM) motor, crafted for exceptional performance with a constant torque range and an extensive weak magnetic spectrum. This innovation translates to an impressive efficiency boost of 20-30% over conventional motors. Even at frequencies beyond the rated level, the PM motor maintains outstanding efficiency, consistently delivering top-tier performance under all conditions.
2) Motor maintenance-free:Our groundbreaking permanent magnet motor boasts a revolutionary bearing-free design, eradicating traditional costs associated with motor bearing maintenance and replacement. This forward-thinking innovation significantly cuts down on overall maintenance expenses.
3) Integrated frequency converter: Equipped with China's leading frequency system, our compressor facilitates extensive speed regulation with unmatched precision. This adaptable system seamlessly adjusts to real-time gas demands, ensuring optimal energy efficiency and superior operational performance.
4) No transmission loss: Through an innovative direct shaft connection design and a cutting-edge permanent magnet motor, our compressor showcases a streamlined and compact structure. This visionary design eliminates the necessity for couplings and other transmission components, ensuring flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design significantly alleviates strain on power grid equipment, protecting electrical systems from potential damage and vastly prolonging the system's lifespan.
6) Reduced energy consumption: Our system offers 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 translates to substantial advantages for systems with fluctuating gas consumption.
7) Unique two-stage compression air end:Our expertly engineered two-stage compression screw machine integrates primary and secondary compression rotors within a single casing. Each rotor operates independently, driven by gears, ensuring optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method offers remarkable cooling performance, drastically reducing compressed air temperatures. This state-of-the-art approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and boosting overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system effectively lowers compression ratios for each stage, significantly diminishing internal leakage between high and low-pressure ends, and enhancing volumetric efficiency.
10) Noise reduction:In our two-stage system, a reduced compression ratio dramatically reduces noise levels, particularly during unloading operations, fostering a quieter and more serene working environment.
11) Easy maintenance and service:Despite its advanced two-stage compression architecture, the components and structures are consistent with those found in single-stage compressors, ensuring easy 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
Step into a world of unparalleled market dominance with our irresistibly competitive ex-factory pricing. This significant advantage empowers our esteemed clients to not only meet market demands but consistently outpace their competitors, paving the way to extraordinary success and industry prominence.
2. Seamless Direct Transactions
Embrace a superior level of efficiency with direct delivery from our cutting-edge production facility. Our meticulously crafted and economically astute solutions are precisely tailored to your exact specifications, guaranteeing exceptional precision and satisfaction at every phase of your partnership with us.
3. Extensive OEM & ODM Solutions
Harness our expansive production capacities and professional management expertise to unlock premium OEM/ODM services. Our carefully customized solutions are designed to seamlessly integrate with your distinct requirements and align flawlessly with your overarching business objectives, ensuring unparalleled success.
4. Tailored Customization Service
We take pride in customizing non-standard export orders by offering expert solutions in critical parameters like voltage, power, and pressure. Connect with us to uncover bespoke solutions meticulously engineered to fulfill and exceed your distinctive needs and aspirations.
5. Acceptance of Small Orders
Embark on your journey with us by initiating a small trial order to witness firsthand the superior quality and performance our products consistently deliver. Your complete satisfaction is the cornerstone of our steadfast promise and unwavering dedication.
6. Swift Delivery
Capitalize on our expedited delivery services, ensuring your business operations continue seamlessly and without disruption. Our exceptional product offerings are complemented by timely delivery, steadfastly aligned with your schedule every single time.
7. Complete Authorization
Amplify your business prestige with our comprehensive range of authorization certificates. Our honored distributors can represent the esteemed SANZHI brand products with pride, confidence, and assuredness, promoting them with unwavering dedication and credibility.
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 take immense pride in offering an extensive array of voltage options, precisely customized to meet the diverse needs of our esteemed clients. Dive into our adaptable array of configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast commitment to delivering bespoke solutions, along with distinguished customization services, ensures a perfect match for your operational demands. This dedication guarantees unparalleled flexibility and stellar performance, empowering your business with extraordinary reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing guarantees completion within an impressive 15 working days post-confirmation. For custom orders, our proactive sales team partners with you to formulate a timeline that perfectly aligns with your requirements, ensuring smooth and timely delivery. Our meticulous approach ensures your satisfaction and fosters a trust-filled relationship that consistently surpasses 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 B/L copy receipt. We accept payments in USD and RMB, offering adaptability and ease for our valued clients, ensuring a seamless and streamlined transaction experience.
Q8. How about your warranty?
A: Our warranty program is meticulously designed to offer assurance and peace of mind. Benefit from a one-year warranty on the entire machine and an additional two-year warranty for the screw air compressor, excluding consumable parts. This comprehensive coverage guarantees exceptional security, safeguarding your investment with unparalleled assurance, allowing you to focus on your operations worry-free.
Q9. What about the maintenance?
A: To ensure peak performance and prolonged operational life, we suggest initiating maintenance after 500 hours of usage. Thereafter, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is essential for maintaining superior durability and reliability, ensuring your investment continues to deliver outstanding performance over time.
Q10. Can machines be run in high-temperature environment?
A: Indeed, our robust machines are ingeniously engineered to excel in high-temperature environments. They function seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring dependable performance even in the most challenging conditions. Your operations will remain resilient and productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Absolutely, we are thrilled to offer both OEM and ODM services, supported by our expert design team. We warmly welcome custom orders and are committed to bringing your unique ideas to life, ensuring your vision is realized with precision and excellence. Collaborate with us for unrivaled customization and innovation as we strive to actualize your concepts.
Q12. How long could your air compressor be used?
A: Our air compressors are engineered for exceptional longevity, typically providing an impressive lifespan surpassing 10 years. This ensures consistent and enduring performance, reliably bolstering 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 comprehensive ongoing support by supplying essential spare parts for your machines. This dedication ensures uninterrupted operations, allowing you to maintain optimal performance while effectively minimizing downtime. Our commitment to your success is reflected in our exhaustive support and exceptional customer service.
Q14. How about your after-sales service?
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