Embark on a transformative journey towards operational excellence with the extraordinary Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor-an exquisite embodiment of engineering elegance. This remarkable piece of machinery is crafted with cutting-edge German engineering, courtesy of Sanzhi (Henan) Compressor Co., Ltd., a distinguished leader in China's prestigious compressor industry. Prepare to revolutionize 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 unparalleled standards in factory pricing models. Seamlessly integrating cost-effectiveness with superior performance, it becomes an indispensable asset for your business ventures. Witness the pinnacle of engineering excellence with its state-of-the-art Centrifugal Fans, meticulously designed to achieve remarkable energy efficiencies and significantly reduce your operational expenses. Engineered with precision for stable applications, this powerhouse excels in meeting and exceeding the rigorous requirements of industrial environments. It delivers unmatched performance, robust durability, and steadfast reliability that remains unsurpassed. Embrace the future of industrial compressors with a product that not only meets but exceeds expectations, enhancing productivity and promoting sustainability. Propel your operations into the future with Sanzhi's groundbreaking innovation, where cutting-edge technology effortlessly unites with unwavering dependability.
In-Depth Analysis: Embark on an illuminating exploration of our product's internal structure - Frontside. Discover the stunning engineering expertise that anchors our revolutionary systems. Our meticulously engineered design is a beacon of modern innovation and precision, setting unparalleled standards in the industry while expanding the frontiers of what's possible.
Revolutionary Working Principle: Enter a transformative era of air compression technology with an innovative principle designed to redefine industry benchmarks. This trailblazing advancement elevates performance to extraordinary levels, revolutionizing our perception of air compression and establishing a new standard of excellence.
Immerse yourself in cutting-edge air compression technology, where exceptional efficiency emerges from the seamless fusion of single-stage and multi-stage systems. While theoretical models suggest energy balance, real-world applications require skilled adjustments to counteract transmission losses, bearing friction, and cooling effects. By precisely calibrating compression ratios at each stage, multi-stage systems achieve outstanding efficiency, significantly curbing power consumption compared to single-stage models. This advanced methodology not only enhances overall system performance but also dramatically reduces energy waste, 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 wonder features an advanced dual rotary screw design, where each stage employs an active screw driving a passive screw through a brilliantly designed external power transfer system. The first stage showcases a low-pressure screw assembly engineered for peak efficiency, transitioning seamlessly to a high-pressure screw assembly. At the heart of this sophisticated mechanism are the sealing air films encasing each screw, guiding compression through three key stages: effortless intake, dynamic pressurization elevating efficiency to unparalleled heights, and a precise exhaust stage, completing the cycle with remarkable precision.
First Stage Compression: The initial stage of the two-stage screw air compressor exemplifies exceptional engineering expertise. A finely tuned low-pressure screw assembly begins the process, channeling gas into the compression chamber via a meticulously engineered suction valve. As the rotor spins at impressive 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: In the second stage, the gas is expertly directed into a uniquely compact screw space, where pressure and temperature are strategically intensified to exceptional 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 begins as ambient air flows effortlessly through the air filter, blending harmoniously with a touch of lubricating oil in the compression chamber. This mixture 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 concludes as the compressed gas is elegantly expelled 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. |
Immerse yourself in the pinnacle of precision and engineering mastery with the elite offerings from Sanzhi (Henan) Compressor Co., Ltd. Our remarkable water-cooled compressors are the epitome of technological innovation, seamlessly integrating cutting-edge advancements with practical functionality. By harnessing water's extraordinary cooling capabilities, these compressors greatly enhance lubrication, significantly prolonging the life of wear-prone components. Our advanced techniques not only purify the internal elements but also expertly dissipate heat from cylinders and compressed air, resulting in a substantial reduction in exhaust temperatures and power consumption. This translates into outstanding operational cost savings. To ensure the compressor's peak efficiency and steadfast reliability, diligent monitoring of the cooling system and proactive scaling management is indispensable.
1) High efficiency of PM motor:Experience the formidable prowess of our expertly engineered permanent magnet (PM) motor, designed to deliver unparalleled performance with unwavering torque and an extensive weak magnetic range. This innovative design results in an extraordinary 20-30% boost in efficiency compared to traditional motors. The PM motor upholds its high efficiency even beyond rated frequencies, guaranteeing superior performance under all conditions.
2) Motor maintenance-free:Introducing our revolutionary permanent magnet motor, designed without bearings, completely eliminating the traditional need for motor bearing maintenance and associated replacement costs. This groundbreaking design slashes overall maintenance expenses dramatically.
3) Integrated frequency converter: Outfitted with China's top-tier frequency system, our compressor offers expansive speed regulation with unmatched precision. This versatile system seamlessly adjusts to real-time gas demands, ensuring optimal energy efficiency and delivering top-notch performance.
4) No transmission loss: Our compressor showcases an innovative direct shaft connection design, paired with an advanced permanent magnet motor, presenting a sleek, compact structure. This forward-thinking technology eliminates the necessity for couplings and other transmission components, achieving impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our state-of-the-art motor design greatly reduces strain on power grid infrastructure, protecting electrical systems from potential hazards while significantly extending the system's lifespan.
6) Reduced energy consumption: Our system features an exceptional frequency conversion range from 25% to 100%, outpacing the typical 50% to 100%, achieving over 30% energy savings compared to fixed-speed compressors and about 5% more than standard variable frequency models, providing significant benefits for systems with variable gas consumption needs.
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 functions autonomously, driven by gears to guarantee optimal linear speed and unrivaled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling technique offers exceptional cooling results, significantly lowering compressed air temperatures. This innovative method 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, thus boosting volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio markedly decreases noise levels, especially during unloading operations, creating a quieter and more serene working environment.
11) Easy maintenance and service:Despite the sophisticated design of the two-stage compression, the components and structures align with those of single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:608bcb65
1. Unbeatable Pricing Edge
Experience unrivaled market triumph with our ultra-competitive ex-factory pricing. This strategic advantage allows our esteemed clients to consistently outshine their rivals, steering a path to extraordinary success and market leadership.
2. Seamless Direct Transactions
Achieve outstanding efficiency through direct deliveries from our state-of-the-art production facility. Our strategically crafted, cost-effective solutions are tailored to meet your unique needs, delivering unmatched precision and satisfaction throughout your collaboration with us.
3. Extensive OEM & ODM Solutions
Leverage our expansive production capabilities and expert management to access top-tier OEM/ODM services. These meticulously crafted solutions are seamlessly integrated with your specific needs and strategically aligned with your business objectives, paving the way for your success.
4. Tailored Customization Service
We specialize in customizing non-standard export orders, providing specialized solutions in voltage, power, and pressure. Collaborate with us to discover solutions precisely designed to meet and surpass your unique requirements.
5. Acceptance of Small Orders
Begin a rewarding partnership with us by commencing with a small trial order to experience the superior quality and performance that our products consistently deliver. Your complete satisfaction remains our steadfast promise and commitment.
6. Swift Delivery
Benefit from the efficiency of our rapid delivery services that ensure your operations continue smoothly. Our exceptional products are backed by timely deliveries, consistently in sync with your 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 esteemed SANZHI brand products with confidence, pride, and unparalleled assurance.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of excellence in the air compression industry, proudly presenting over a decade of extraordinary expertise. Our innovative journey has birthed a magnificent suite of state-of-the-art products, including high-performance screw air compressors and groundbreaking screw vacuum pumps that redefine industry benchmarks. Our extensive product offering encompasses standard and low-pressure screw air compressors, advanced models featuring permanent magnet frequency conversion technology, and robust two-stage compression options. Each screw air compressor is masterfully engineered to exceed industry norms, offering exceptional performance across diverse applications such as laser cutting, adaptable single-tank and double-tank mobile formats, alongside electric and diesel mobile versions. Furthermore, our trailblazing screw vacuum pumps set new standards for precision and reliability, solidifying our esteemed position as industry leaders.
Our cutting-edge assembly lines are testament to our exceptional manufacturing prowess, marked by outstanding efficiency and production capacity. A dedicated team of over 50 seasoned experts powers our operations, continually enhancing our management systems with a crucial focus on ERP. This commitment ensures significantly reduced lead times and the prompt delivery of our top-tier products, reinforcing our reputation for excellence.
Our steadfast commitment to excellence in management practices is further validated by our prestigious ISO9001 quality management system certification. We uphold the highest quality standards through stringent control protocols, ensuring each machine undergoes a comprehensive inspection process. This encompasses rigorous material assessments, thorough production reviews, and meticulous pre-delivery inspections, guaranteeing that only the finest machinery is entrusted to our valued clients.
Our relentless dedication to exceptional customer service commences with expert pre-sales consultations, adeptly guiding clients in selecting the perfect air equipment tailored to their unique requirements. Our unique customization capabilities enable us to transform both appearance and configuration in accordance with individual preferences, offering OEM services to meet specific dealer needs. Our committed sales and service team ensures rapid and effective responses, providing seamless and trustworthy after-sales support for a superior customer experience.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is clear and resolute: to deliver outstanding, reliable products while fostering enduring customer relationships. By expertly integrating prompt delivery, superior product quality, and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory offers unparalleled convenience to clients. We provide complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away-just an hour's drive. We warmly invite you to come and experience our distinguished facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer, boasting specialized expertise in screw air compressors and backed by over a decade of proven industry excellence.
Q2. How do you control quality?
A: 1. We conduct thorough inspections on all raw materials to ensure superior quality.
2. Our precise assembly procedures uphold exceptional standards of excellence.
3. Every machine undergoes a rigorous 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 required (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 thrilled to present an extensive selection of voltage options, ingeniously designed to meet 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 steadfast dedication to delivering personalized solutions, combined with exceptional customization services, guarantees a perfect alignment with your operational requirements. This commitment promises unparalleled 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 streamlined order processing ensures fulfillment within an astounding 15 working days post-confirmation. For customized orders, our proactive sales team collaborates closely with you to craft a timeline that perfectly aligns with your unique requirements, ensuring impeccable and expedient delivery. Our meticulous approach guarantees your satisfaction and nurtures a relationship grounded in trust, consistently surpassing expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully structured for ultimate 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 valued clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty package is expertly designed 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. Thereafter, regular maintenance 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 continues to deliver excellent performance over the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are crafted for exceptional performance in high-temperature settings. They operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring reliable performance even under the most challenging conditions. Your operations will remain resilient 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 talented design team. We warmly welcome custom orders and are committed to realizing your unique ideas with precision and excellence. Partner with us for exceptional 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 meticulously engineered for extraordinary 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 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 exceptional customer service.
Q14. How about your after-sales service?
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