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: Embark on an enlightening exploration of the brilliant complexities within our product's internal framework - Frontside. Unveil the extraordinary engineering expertise that forms the essence of our groundbreaking systems. Our meticulously crafted design stands as a testament to the pinnacle of cutting-edge innovation and precision, setting unrivaled standards in the industry while expanding the horizons of what is possible.
Revolutionary Working Principle: Welcome a transformative era of air compression technology with an innovative principle set to revolutionize industry standards. This groundbreaking advancement elevates performance to extraordinary levels, reshaping our comprehension of air compression and establishing a new benchmark of excellence.
Immerse yourself in the forefront of air compression technology, where exceptional efficiency is realized through the harmonious integration of single-stage and multi-stage systems. While theoretical models suggest energy equilibrium, real-world applications necessitate strategic adaptations to counteract transmission losses, bearing friction, and cooling impacts. Through meticulous calibration of compression ratios at each stage, multi-stage systems achieve outstanding efficiency, significantly cutting power consumption compared to single-stage counterparts. This advanced methodology not only enhances overall system performance but also dramatically decreases excess energy use, setting an innovative 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 exemplifies a sophisticated dual rotary screw design, where each stage incorporates an active screw propelling a passive screw through an ingeniously designed external power transfer system. The first stage features 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, guiding compression through three critical stages: seamless intake, dynamic pressurization elevating efficiency to unmatched levels, and a precise exhaust stage, completing the cycle with remarkable accuracy.
First Stage Compression: The initial stage of the two-stage screw air compressor showcases extraordinary engineering excellence. A finely tuned low-pressure screw assembly leads the process, guiding gas into the compression chamber via a meticulously designed 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 priming the system for exceptional performance and efficiency.
Second Stage Compression: Transitioning to the second stage, the gas is masterfully directed into a uniquely compact screw space, where pressure and temperature are strategically amplified to extraordinary levels. This phase culminates with the opening of the exhaust valve, allowing high-pressure gases to exit, marking the conclusion of a complex compression cycle characterized by extraordinary efficiency and sophistication.
The refined air compression journey commences as ambient air seamlessly flows through the air filter, blending harmoniously with a trace of lubricating oil in the compression chamber. This amalgamation 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, experiencing 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, completing an exceptionally comprehensive 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 engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s remarkable water-cooled compressors. These machines symbolize the forefront of innovative technology, blending cutting-edge advancements with everyday functionality. By utilizing water's unparalleled cooling capabilities, they enhance lubrication and dramatically prolong the lifespan of wear-prone components. Innovative techniques purify internal elements while efficiently expelling heat from cylinders and compressed air. The result is a superb reduction in exhaust temperatures and a noteworthy decrease in power usage, delivering outstanding operational cost savings. To ensure peak performance and steadfast reliability, vigilant monitoring of the cooling system and proactive scaling management are crucial.
1) High efficiency of PM motor:Discover the exceptional prowess of our advanced permanent magnet (PM) motor, meticulously crafted for outstanding performance with consistent torque and an extensive weak magnetic range. This design delivers an extraordinary 20-30% boost in efficiency over traditional motors. The PM motor maintains its impressive efficiency even beyond rated frequencies, ensuring top-notch performance in all scenarios.
2) Motor maintenance-free:Introducing our revolutionary permanent magnet motor, designed without bearings, eliminating conventional motor bearing maintenance and replacement costs. This innovative design significantly reduces overall maintenance expenses.
3) Integrated frequency converter: Featuring China's leading frequency system, our compressor offers broad speed regulation with unmatched precision. This adaptive system adjusts seamlessly to real-time gas demands, ensuring optimal energy efficiency and superior performance.
4) No transmission loss: Our compressor boasts a visionary direct shaft connection design, paired with an advanced permanent magnet motor, offering a sleek and compact structure. 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 state-of-the-art motor design significantly reduces strain on power grid infrastructure, protecting electrical systems from potential harm and greatly extending the system's lifespan.
6) Reduced energy consumption: Our system features an impressive frequency conversion range from 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 offers substantial benefits for systems with variable gas consumption needs.
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 functions independently, driven by gears to ensure ideal linear speed and unrivaled 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 innovative 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 minimizing internal leakage between high and low-pressure ends, and boosting volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio significantly lowers 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 easy maintenance and user-friendly service.
12) Door Panels are Removable:608bcb65
1. Unbeatable Pricing Edge
Immerse yourself in a sphere of market prowess by embracing the extraordinary opportunity provided by our irresistibly competitive ex-factory pricing. This strategic edge empowers our esteemed clients to not only navigate but consistently outperform their competitors, paving a pathway to outstanding triumph and industry leadership.
2. Seamless Direct Transactions
Experience unparalleled efficiency with products delivered directly from our state-of-the-art manufacturing facility. Our strategically crafted, cost-effective solutions are precisely tailored to meet your specific requirements, ensuring impeccable accuracy and satisfaction throughout every phase of your collaboration with us.
3. Extensive OEM & ODM Solutions
Leverage our extensive production capabilities and expert management team to harness top-tier OEM/ODM services. These meticulously crafted solutions are expertly designed to integrate seamlessly with your specific requirements and align perfectly with your overarching business goals, securing your path to success.
4. Tailored Customization Service
We specialize in customizing non-standard export orders by offering bespoke solutions across essential parameters such as voltage, power, and pressure. Connect with us to discover solutions meticulously tailored to address and fulfill 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 unwavering promise and steadfast commitment.
6. Swift Delivery
Benefit from our swift 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 suite 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 stands as a beacon of excellence in the realm of air compression, boasting over a decade of unmatched expertise. Our innovative pathway in technology has birthed a remarkable selection of state-of-the-art products. These encompass high-performance screw air compressors and groundbreaking screw vacuum pumps that redefine industry benchmarks. Our extensive product range includes standard and low-pressure screw air compressors, inventive versions with permanent magnet frequency conversion technology, and robust two-stage compression models. Every screw air compressor is precisely designed to not only meet but exceed industry standards, thriving in varied applications such as laser cutting, flexible single-tank, and double-tank mobile uses, along with electric and diesel mobile formats. Moreover, our pioneering screw vacuum pumps set new standards for precision and reliability, solidifying our influential position as industry leaders.
Our cutting-edge assembly lines are a testament to outstanding manufacturing prowess, marked by superior efficiency and production capacity. Our operations are propelled by a team of over 50 experienced professionals who continually enhance our management systems, with a strong emphasis on ERP, ensuring drastically reduced lead times and prompt delivery of our premium products.
Our steadfast commitment to superior management practices is highlighted by our esteemed ISO9001 quality management system certification. We adhere to the highest quality standards through stringent control protocols, ensuring that each machine undergoes an exhaustive inspection process. This includes material evaluations, production analyses, and thorough pre-delivery checks, guaranteeing that only the finest machinery reaches our valued clients.
Our relentless pursuit of outstanding customer service commences with expert pre-sales consultations, steering clients toward selecting the ideal air equipment tailored to their specific needs. Our unique customization capabilities enable us to modify both appearance and configuration according to personal preferences, providing OEM services to meet specific dealer demands. Our dedicated sales and service team ensures swift and effective responses, promising seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is clear and resolute: to deliver exceptional, reliable products while nurturing lasting customer relationships. By seamlessly integrating rapid delivery, top-tier product quality, and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory offers unrivaled convenience to clients. We offer complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away-just an hour's drive. We warmly invite 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, 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 precise assembly procedures maintain 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 proudly offer a diverse array of voltage options, meticulously crafted to cater to the varied regional preferences of our esteemed clientele. Explore our highly adaptable configurations, including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to providing bespoke solutions, complemented by exceptional customization services, ensures a perfect match for your operational demands. This commitment promises 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 efficient order processing guarantees fulfillment within a remarkable 15 working days following confirmation. For tailored orders, our proactive sales team works in close partnership with you to devise a timeline that perfectly suits your specific needs, ensuring impeccable and prompt delivery. Our meticulous approach guarantees your satisfaction and fosters a relationship founded on trust, consistently exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for utmost simplicity and convenience. Production initiates 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 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 components. This extensive protection offers 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 delighted to offer both OEM and ODM services, supported by our 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?
A: Our after-sales service is designed with your utmost satisfaction in mind. Our dedicated team is ready to provide comprehensive assistance, ensuring your experience with us is seamless and rewarding. We are committed to supporting you every step of the way, reinforcing a strong and lasting partnership built on trust and excellence.
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