Embark on an extraordinary journey towards unparalleled operational excellence with the exceptional Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor. This masterpiece of engineering elegance is crafted with the finest German technology, proudly brought to you by Sanzhi (Henan) Compressor Co., Ltd., a distinguished leader in China's prestigious compressor industry. Prepare to redefine your operational efficiency with this technological marvel. At the heart of this innovation lies our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting new benchmarks in factory pricing models. Effortlessly merging cost-effectiveness with superior performance, it becomes an invaluable asset for your business endeavors. Experience the pinnacle of engineering brilliance with its cutting-edge Centrifugal Fans, intricately designed to deliver unmatched energy efficiencies, drastically reducing your operational costs. Designed with precision for stable applications, this formidable machine excels in fulfilling and exceeding the rigorous demands of industrial environments. It provides unparalleled performance, robust durability, and unwavering reliability that remains unrivaled. Embrace the future of industrial compressors with a product that not only meets but exceeds expectations, enhancing productivity and fostering sustainability. Propel your operations into the future with Sanzhi's groundbreaking innovation, where cutting-edge technology seamlessly meets unwavering dependability.
In-Depth Analysis: Step into a captivating odyssey through the awe-inspiring complexities of our product's internal architecture - Frontside. Discover the incredible engineering skills that serve as the foundation of our transformative systems. Our meticulously designed masterpiece epitomizes the pinnacle of contemporary innovation and precision, setting unparalleled standards in the industry while expanding the realms of what is possible.
Revolutionary Working Principle: Welcome a transformative era in air compression technology with an innovative principle destined to set unprecedented industry standards. This trailblazing advancement elevates performance to extraordinary levels, redefining our perception of air compression and establishing a new standard of excellence.
Immerse yourself in the forefront of air compression technology, where exceptional efficiency is realized through the harmonious fusion of single-stage and multi-stage systems. Although theoretical models suggest energy balance, practical applications necessitate keen adjustments to counter transmission losses, bearing friction, and cooling effects. By meticulously calibrating compression ratios at each stage, multi-stage systems achieve superior efficiency, significantly reducing power consumption compared to single-stage models. This advanced methodology not only elevates overall system performance but also significantly curtails excess energy usage, setting a pioneering benchmark in power optimization.
Introducing the innovative 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 design, where each stage incorporates an active screw driving a passive screw through an ingeniously designed external power transfer system. The first stage showcases a low-pressure screw assembly engineered for optimal efficiency, seamlessly transitioning to a high-pressure screw assembly. Central to this advanced mechanism are the sealing air films enveloping each screw, channeling compression through three pivotal stages: seamless intake, dynamic pressurization elevating efficiency to unparalleled heights, and a precise exhaust stage, completing the cycle with exceptional accuracy.
First Stage Compression: The initial stage of the two-stage screw air compressor exemplifies outstanding engineering excellence. A finely tuned low-pressure screw assembly kick-starts the process, channeling gas into the compression chamber through a meticulously crafted suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, laying the foundation for enhanced compression in the subsequent phase, thus priming the system for outstanding performance and efficiency.
Second Stage Compression: Advancing to the second stage, the gas is adeptly guided into a uniquely compact screw space, where pressure and temperature are strategically heightened to exceptional levels. This phase culminates with the opening of the exhaust valve, allowing high-pressure gases to be released, marking the conclusion of a complex compression cycle characterized by exceptional efficiency and sophistication.
The refined air compression journey begins as ambient air flows seamlessly through the air filter, blending with a trace of lubricating oil in the compression chamber. This mixture endures initial compression to reach intermediate pressure, followed by significant cooling through interaction with oil mist in the cooling channel. The cooled gas then progresses to the second-stage rotor, experiencing a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is elegantly released through the exhaust valve, completing 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 zenith of precision and engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s remarkable water-cooled compressors. These machines are paragons of innovation, smoothly integrating cutting-edge advancements with practical applications. By utilizing water's superior cooling capacity, they optimize lubrication, significantly prolonging the lifespan of wear-prone components. State-of-the-art technology purifies internal elements while efficiently dissipating heat from cylinders and compressed air. This results in a substantial reduction in exhaust temperatures and an impressive decline in power consumption, offering unparalleled operational cost savings. To maintain top-tier efficiency and steadfast reliability, vigilant monitoring of the cooling system and proactive scaling management are crucial.
1) High efficiency of PM motor:Unleash the extraordinary potential of our advanced permanent magnet (PM) motor, meticulously crafted for exceptional performance with continuous torque and a broad weak magnetic range. This design delivers an impressive 20-30% boost in efficiency over conventional motors. The PM motor sustains its high efficiency even beyond rated frequencies, ensuring optimal performance under all conditions.
2) Motor maintenance-free:Discover our revolutionary permanent magnet motor, ingeniously designed without bearings, completely eradicating the need for traditional motor bearing maintenance and replacement costs. This groundbreaking design drastically slashes overall maintenance expenses.
3) Integrated frequency converter: Fitted with China's leading frequency system, our compressor offers comprehensive speed regulation with unmatched precision. This flexible system smoothly adapts to real-time gas demands, ensuring maximum energy efficiency and superior performance.
4) No transmission loss: Our compressor features a pioneering direct shaft connection design, combined with an advanced permanent magnet motor, presenting a sleek and compact construction. This forward-thinking innovation eliminates the need for couplings and other transmission elements, guaranteeing flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design significantly eases pressure on power grid infrastructure, protecting electrical systems from potential risks and considerably extending the system's lifespan.
6) Reduced energy consumption: Our system offers 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 provides tremendous benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our masterfully engineered two-stage compression screw machine incorporates primary and secondary compression rotors within a single casing. Each rotor operates independently, driven by gears to ensure optimal linear speed and exceptional compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers unrivaled cooling efficiency, dramatically lowering compressed air temperatures. This innovative technique 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 minimizing internal leakage between high and low-pressure ends, thereby enhancing volumetric efficiency.
10) Noise reduction:Our two-stage system's diminished compression ratio significantly lowers noise levels, particularly during unloading operations, fostering a quieter and more serene working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures are consistent with those of single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:608bcb65
1. Unbeatable Pricing Edge
Unlock extraordinary success in the marketplace with our highly competitive ex-factory pricing. This strategic advantage empowers our esteemed clientele to consistently outshine the competition, paving the way towards remarkable achievements and a dominant market presence.
2. Seamless Direct Transactions
Realize exceptional efficiency with direct deliveries from our state-of-the-art production facility. Our strategically developed, cost-effective solutions are meticulously tailored to address your distinctive needs, ensuring unparalleled precision and satisfaction at every stage of our partnership.
3. Extensive OEM & ODM Solutions
Leverage our extensive production capabilities and expert management to access top-tier OEM/ODM services. These expertly engineered solutions are seamlessly integrated with your specific requirements and perfectly aligned with your business objectives, forging a path to your success.
4. Tailored Customization Service
We specialize in customizing non-standard export orders, offering tailored solutions in voltage, power, and pressure. Partner with us to explore solutions meticulously designed to fulfill and exceed your precise requirements.
5. Acceptance of Small Orders
Begin your partnership journey with us by initiating a small trial order to witness the exceptional quality and performance our products consistently deliver. Your complete satisfaction is our steadfast promise and commitment.
6. Swift Delivery
Benefit from our efficient delivery services that ensure your operations remain seamless and uninterrupted. Our outstanding products are complemented by timely deliveries, consistently aligning with your operational schedule.
7. Complete Authorization
Elevate your business stature with our comprehensive suite of authorization certificates. Our distinguished distributors are empowered to represent and promote the prestigious SANZHI brand products with pride, assurance, and unmatched confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines brilliantly in the world of air compression, proudly showcasing over ten years of unparalleled expertise. Our journey of innovation has created a stunning array of cutting-edge products, including high-performance screw air compressors and revolutionary screw vacuum pumps that set new industry standards. Our diverse product portfolio features standard and low-pressure screw air compressors, ingenious models with permanent magnet frequency conversion technology, and sturdy two-stage compression options. Each screw air compressor is meticulously crafted to surpass industry standards, excelling in various applications such as laser cutting, flexible single-tank and double-tank mobile formats, as well as electric and diesel mobile versions. In addition, our pioneering screw vacuum pumps establish new benchmarks for precision and reliability, reinforcing our stronghold as industry leaders.
Our state-of-the-art assembly lines exemplify our remarkable manufacturing excellence, characterized by exceptional efficiency and production capacity. Our operations are driven by a dedicated team of over 50 seasoned professionals who constantly refine our management systems, with a pivotal focus on ERP, ensuring significantly reduced lead times and the timely delivery of our premier products.
Our unwavering dedication to superior management practices is underscored by our prestigious ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, ensuring each machine undergoes a thorough inspection process. This encompasses material assessments, production reviews, and meticulous pre-delivery inspections, ensuring that only the finest machinery is delivered to our esteemed clients.
Our tireless commitment to exceptional customer service begins with expert pre-sales consultations, guiding clients in selecting the perfect air equipment tailored to their unique needs. Our distinctive customization capabilities allow us to alter both appearance and configuration according to personal preferences, providing OEM services to suit specific dealer requirements. Our devoted sales and service team ensures swift and effective responses, guaranteeing seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is both clear and unwavering: to provide outstanding, dependable products while cultivating enduring customer relationships. By seamlessly integrating prompt delivery, superior product quality, and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically situated in Xinzheng City, Henan Province, China, our factory provides unmatched convenience to clients. We offer complimentary transportation from Xinzheng International Airport, merely 30 kilometers away-just an hour's drive. We warmly welcome you to experience our esteemed facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with specialized expertise in screw air compressors, backed by over a decade of proven industry excellence.
Q2. How do you control quality?
A: 1. We perform 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 before dispatch 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).
Provide these details, and we will engineer a customized solution perfectly matched to 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 are delighted to offer a spectacular array of voltage options, each meticulously crafted to accommodate the diverse regional preferences of our esteemed clientele. Discover our highly flexible configurations, including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to delivering bespoke solutions, complemented by our exceptional customization services, ensures a perfect alignment with your operational demands. This dedication guarantees unmatched versatility and superior performance, empowering your enterprise with extraordinary reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our swift and efficient order processing ensures fulfillment within an impressive 15 working days upon confirmation. For tailored orders, our proactive sales team collaborates closely with you to devise a timeline tailored precisely to your needs, ensuring impeccable and timely delivery. Our meticulous approach guarantees your satisfaction and builds a foundation of trust, consistently exceeding your expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully designed to offer maximum ease and convenience. Production commences 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, providing flexibility and ease for our valued clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty package is expertly curated to provide unparalleled peace of mind and security. Enjoy a comprehensive one-year warranty on the entire machine, along with a bonus two-year warranty for the screw air compressor, excluding consumable components. This extensive protection delivers unmatched security, safeguarding your investment with supreme confidence, allowing you to focus on your operations without worries.
Q9. What about the maintenance?
A: To ensure optimal performance and extend 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 exceptional durability and reliability, ensuring your investment continuously delivers excellent performance throughout the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are engineered for exceptional performance 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 under 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 thrilled to offer both OEM and ODM services, backed by our highly skilled 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. Partner with us for exceptional customization and innovation as we strive to turn your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for outstanding longevity, typically offering 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 deliver sustained benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are dedicated to providing ongoing 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 exceptional customer service.
Q14. How about your after-sales service?
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