Unlock new horizons in operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a beacon of engineering sophistication. This remarkable apparatus, infused with state-of-the-art German engineering, is proudly brought to you by the renowned Sanzhi (Henan) Compressor Co., Ltd., a vanguard in China's illustrious compressor sector. Brace yourself to elevate your operational efficiency with this pioneering technological masterpiece. At the heart of this innovation lies our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, revolutionizing factory pricing paradigms. It flawlessly merges cost-effectiveness with superior performance, emerging as an indispensable strategic asset for your business ventures. Experience the pinnacle of engineering prowess with its cutting-edge Centrifugal Fans, meticulously designed to unlock extraordinary energy efficiencies and significantly reduce your operational costs. Engineered with precision for stable applications, this formidable machinery excels in fulfilling and exceeding the rigorous demands of industrial settings. It delivers unmatched performance, durability, and dependability that stand unrivaled. Step into the future of industrial compressors with a product that not only meets but exceeds expectations, enhancing productivity and sustainability. Accelerate your operations with Sanzhi's groundbreaking innovation, where avant-garde technology converges with unwavering reliability.
In-Depth Analysis: Dive into the captivating complexities of our product's internal framework - Frontside. Uncover the brilliant engineering mastery that lies at the heart of our pioneering systems. Our meticulous design embodies the pinnacle of cutting-edge innovation and precision, setting new, unparalleled benchmarks in the industry while broadening the horizons of possibilities.
Revolutionary Working Principle: Usher in a new era of air compression technology with a groundbreaking principle poised to redefine industry standards. This revolutionary advancement catapults performance to new, unprecedented heights, reshaping our understanding of air compression and establishing a new standard of excellence.
Delve into the pinnacle of air compression advancement where exceptional efficiency is achieved through the seamless synergy 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. With precise calibration of the compression ratio at each stage, multi-stage systems attain remarkable efficiency, substantially reducing power consumption compared to single-stage systems. This refined methodology not only elevates overall system performance but also significantly minimizes excess energy use, creating a groundbreaking benchmark in power optimization.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel showcases a sophisticated dual rotary screw configuration, with each stage featuring an active screw that propels a passive counterpart through 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 the sealing air films enveloping each screw, directing compression through three pivotal stages: seamless intake, dynamic pressurization that boosts 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: Progressing to 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 begins 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 moves 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 an unmatched level of precision and excellence with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors, truly representing the pinnacle of advanced engineering innovation. These cutting-edge machines seamlessly integrate state-of-the-art technology with everyday practicality, harnessing water's superior cooling properties to boost lubrication and considerably extend the durability of components most susceptible to wear and tear. By employing groundbreaking techniques, these compressors meticulously purify internal elements while efficiently dissipating heat from both cylinders and compressed air. The outcome is a remarkable reduction in exhaust temperatures and a significant decrease in power consumption, leading to exceptional savings in operational costs. To maintain optimal performance and unwavering reliability, vigilant monitoring of the cooling system and proactive management of potential scaling concerns are essential.
1) High efficiency of PM motor:Unveil the prowess of our innovative permanent magnet (PM) motor, meticulously engineered for exceptional performance with a consistent torque range and an expansive weak magnetic spectrum. This design achieves an extraordinary 20-30% elevation in efficiency compared to traditional motors. Remarkably, the PM motor retains its outstanding efficiency beyond rated frequencies, ensuring top-tier performance across all conditions.
2) Motor maintenance-free:Introducing our groundbreaking permanent magnet motor, featuring a bearing-free design that eliminates the conventional costs tied to motor bearing upkeep and replacement. This revolutionary design paradigm substantially reduces overall maintenance expenses.
3) Integrated frequency converter: Equipped with China's leading frequency system, our compressor empowers extensive speed regulation with unparalleled precision. This adaptive system seamlessly adjusts to real-time gas demands, ensuring optimal energy efficiency and superior operational performance.
4) No transmission loss: Our compressor's visionary direct shaft connection design, paired with an advanced permanent magnet motor, showcases a sleek and compact structure. This forward-thinking innovation eliminates the necessity 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 drastically reduces strain on power grid infrastructure, shielding electrical systems from potential damage and significantly prolonging the system's lifespan.
6) Reduced energy consumption: Our system boasts an exceptional frequency conversion range spanning 25% to 100%, surpassing the typical 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 substantial advantages for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our masterfully engineered two-stage compression screw machine seamlessly integrates primary and secondary compression rotors within a singular casing. Each rotor operates 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 reducing compressed air temperatures. This innovative approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and amplifying overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system adeptly reduces compression ratios for each stage, significantly curtailing internal leakage between high and low-pressure ends, and enhancing 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 sophisticated two-stage compression design, the components and structures are aligned with those of single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:Crafted with sound-dampening metal panels and lined with high-density sound-absorbing materials, the unit adheres to international noise standards. The removable door panels offer extensive 270-degree access, greatly simplifying maintenance tasks and elevating service efficiency.
1. Unbeatable Pricing Edge
Immerse yourself in a realm of market dominance by seizing the opportunity presented by our irresistibly competitive ex-factory pricing. This strategic advantage empowers our esteemed clients to not only compete but consistently surpass their adversaries, paving a pathway to remarkable success and industry leadership.
2. Seamless Direct Transactions
Experience unparalleled efficiency with products delivered directly from our cutting-edge manufacturing facility. Our strategically designed, cost-effective solutions are precisely tailored to meet your exact specifications, ensuring impeccable accuracy and satisfaction at each phase of your partnership with us.
3. Extensive OEM & ODM Solutions
Tap into our extensive production capabilities and expert management team to harness top-tier OEM/ODM services. These expertly crafted solutions are meticulously designed to integrate seamlessly with your specific needs and align flawlessly with your overarching business objectives, securing your pathway to success.
4. Tailored Customization Service
We specialize in customizing non-standard export orders by offering bespoke solutions across critical parameters such as voltage, power, and pressure. Reach out to us to discover solutions meticulously crafted to address and fulfill your distinctive needs and demands.
5. Acceptance of Small Orders
Embark on your journey with us by placing a small trial order to experience firsthand the extraordinary quality and performance our products reliably deliver. Your complete satisfaction is our unwavering promise and steadfast commitment.
6. Swift Delivery
Reap the rewards of our rapid delivery services, ensuring your operations proceed smoothly and without interruption. Our outstanding product offerings are perfectly complemented by prompt delivery, consistently aligning with your schedule.
7. Complete Authorization
Elevate your business prestige with our comprehensive array of authorization certificates. Our distinguished distributors are empowered to confidently represent and champion the esteemed SANZHI brand products, promoting them with pride, assurance, and unyielding confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines as a paragon of air compression mastery, leveraging over a decade of unrivaled expertise. Our pioneering trajectory in technological advancements has led to the creation of an exceptional array of cutting-edge products. These include high-performance screw air compressors and revolutionary screw vacuum pumps that set new industry standards. Our diverse product lineup features standard and low-pressure screw air compressors, innovative models with permanent magnet frequency conversion technology, and robust two-stage compression units. Each screw air compressor is meticulously engineered to not only meet but surpass industry expectations, excelling in diverse applications such as laser cutting, versatile single-tank, and double-tank mobile uses, as well as electric and diesel mobile configurations. Furthermore, our pioneering screw vacuum pumps redefine precision and reliability, cementing our influential status as leaders in the industry.
Our state-of-the-art assembly lines showcase unparalleled manufacturing excellence, characterized by exceptional efficiency and production capacity. Our operations are driven by a team of over 50 seasoned professionals who continually refine our management systems, with a strong focus on ERP, ensuring significantly reduced lead times and timely delivery of our premium products.
Our unwavering commitment to superior management practices is underscored by our prestigious ISO9001 quality management system certification. We ensure adherence to the highest quality standards through rigorous control protocols, certifying that each machine undergoes a comprehensive inspection regimen. This includes material evaluations, production analyses, and thorough pre-delivery checks, guaranteeing that only the finest machinery reaches our esteemed clients.
Our relentless pursuit of exceptional customer service begins with expert pre-sales consultations, guiding clients in selecting the ideal air equipment tailored to their unique needs. Our unrivaled customization capabilities empower us to modify both appearance and configuration according to personal preferences, offering OEM services to cater to specific dealer requirements. Our dedicated sales and service team ensures rapid and effective responses, promising seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is clear and unwavering: to deliver exceptional, reliable products while fostering enduring customer relationships. By seamlessly combining rapid delivery, top-tier product quality, and competitive pricing, we establish 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 provide complimentary transportation from Xinzheng International Airport, a brief 30 kilometers away-just an hour's drive. We warmly invite you to experience our prestigious 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 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 for the air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we are proud to present an extensive range of voltage options, carefully designed to meet the diverse regional preferences of our valued clients. Discover our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast commitment to delivering customized solutions, complete with superior customization services, ensures an impeccable fit for your operational needs. This dedication guarantees unparalleled flexibility and top-tier performance, empowering your business with outstanding reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing promises completion within a remarkable 15 working days post-confirmation. For customized orders, our proactive sales team collaborates closely with you to establish a timeline that precisely aligns with your requirements, ensuring flawless and timely delivery. Our careful approach ensures your satisfaction and nurtures a relationship built on trust, consistently surpassing 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 receipt of the B/L copy. We accept payments in both USD and RMB, offering flexibility and ease for our esteemed clients, ensuring a smooth and streamlined transaction process.
Q8. How about your warranty?
A: Our warranty package is expertly designed to offer peace of mind and security. 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 protection ensures unmatched security, safeguarding your investment with supreme confidence, enabling you to focus on your operations worry-free.
Q9. What about the maintenance?
A: To maintain optimal performance and prolong 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 vital for sustaining exceptional durability and reliability, ensuring your investment continues to deliver excellent performance over the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are engineered to thrive in high-temperature environments. They operate effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing dependable performance even under the most challenging conditions. Your operations will remain strong and productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are pleased to offer both OEM and ODM services, backed by our skilled design team. We warmly welcome custom orders and are dedicated to bringing your unique ideas to life, ensuring your vision is realized with precision and excellence. Partner with us for unparalleled customization and innovation as we strive to bring your concepts into reality.
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 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 continuous 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 outstanding customer service.
Q14. How about your after-sales service?
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