Unlock the gateway to operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a true testament to engineering brilliance. This exceptional piece of machinery, infused with cutting-edge German engineering principles, is proudly offered by Sanzhi (Henan) Compressor Co., Ltd., a leader in China's esteemed compressor industry. Prepare to revolutionize your operational efficiency with this groundbreaking technological marvel. At its core lies our renowned Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting new standards in factory pricing paradigms. Seamlessly blending cost-effectiveness with top-tier performance, it emerges as an essential strategic asset for your enterprise. Discover the pinnacle of engineering aptitude with its state-of-the-art Centrifugal Fans, expertly crafted to unlock exceptional energy efficiencies and dramatically minimize your operational costs. Precision-engineered for stable applications, this robust machinery excels in meeting and surpassing the stringent demands of industrial environments. It delivers unparalleled performance, longevity, and reliability, standing unmatched in its class. Embrace the future of industrial compressors with a product designed to not only meet but exceed expectations, boosting productivity and sustainability. Propel your operations forward with Sanzhi's trailblazing innovation, where leading-edge technology meets steadfast reliability.
In-Depth Analysis: Embark on a fascinating exploration into the intricate internal framework of our product - Frontside. Discover the brilliance of engineering excellence that forms the core of our trailblazing systems. With meticulous design, we embody the zenith of cutting-edge innovation and precision, setting unprecedented benchmarks in the industry while expanding the boundaries of what is possible.
Revolutionary Working Principle: Welcome a groundbreaking era in air compression technology with a pioneering principle set to redefine industry standards. This revolutionary advancement propels performance to extraordinary new heights, revolutionizing our understanding of air compression and establishing a new paradigm of excellence.
Explore the forefront of air compression innovation where supreme efficiency is attained through the harmonious integration of single-stage and multi-stage systems. Ideal conditions suggest an energy distribution balance, but real-world applications necessitate strategic adjustments to address transmission losses, bearing friction, and cooling effects. By finely tuning the compression ratio at each stage, multi-stage systems achieve remarkable efficiency, significantly lowering power consumption compared to single-stage systems. This refined approach not only enhances overall system performance but also appreciably minimizes excess energy use, setting a groundbreaking standard 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 features an advanced dual rotary screw configuration, with each stage showcasing an active screw that drives a passive counterpart through a precisely engineered external power transfer mechanism. The initial stage employs 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 sealing air films that wrap around each screw, channeling compression through three vital stages: seamless intake, dynamic pressurization that elevates efficiency to unprecedented levels, and a precise exhaust phase, completing the cycle with unmatched precision.
First Stage Compression: In the initial phase of the two-stage screw air compressor, witness extraordinary engineering at its finest. A specially calibrated low-pressure screw assembly sets the pace, guiding gas into the compression chamber via an expertly designed suction valve. As the rotor spins at impressive speeds, the gas undergoes preliminary compression, paving the way for enhanced compression in the subsequent phase, thus priming the system for exceptional performance and efficiency.
Second Stage Compression: Advancing to the second stage, the gas is adeptly maneuvered into a uniquely compact screw space where pressure and temperature are strategically elevated to remarkable levels. This phase concludes as the exhaust valve opens, releasing high-pressure gases from the system, marking the end of an intricate compression cycle characterized by unmatched efficiency and sophistication.
The sophisticated air compression journey begins as ambient air gracefully flows through the air filter, seamlessly merging with a trace of lubricating oil in the compression chamber. This blend undergoes preliminary 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, 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 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:1814cfdc
1. Unbeatable Pricing Edge
Immerse yourself in a world of unmatched market leadership by capitalizing on our exceptionally competitive ex-factory pricing. This strategic advantage empowers our valued clients not only to compete but to consistently excel beyond their rivals, creating a pathway to unprecedented success and industry preeminence.
2. Seamless Direct Transactions
Experience unmatched efficiency with products dispatched straight from our state-of-the-art manufacturing hub. Our cost-effective solutions are expertly designed to align perfectly with your specific requirements, ensuring precise accuracy and exceptional satisfaction at every stage of our partnership.
3. Extensive OEM & ODM Solutions
Leverage our vast production capabilities and highly skilled management team for top-of-the-line OEM/ODM services. These meticulously crafted solutions are designed to integrate seamlessly with your unique needs and strategically align with your overarching business goals, securing your pathway to success.
4. Tailored Customization Service
We excel in customizing non-standard export orders, offering personalized solutions across essential parameters such as voltage, power, and pressure. Connect with us to explore solutions precisely crafted to meet and exceed your unique requirements and expectations.
5. Acceptance of Small Orders
Begin your journey with us by placing a small trial order to witness the exceptional quality and performance our products consistently deliver. Your complete satisfaction is our unwavering commitment and steadfast assurance.
6. Swift Delivery
Benefit from our rapid delivery services, ensuring your operations run seamlessly and without delay. Our exceptional product offerings are perfectly complemented by prompt delivery, consistently aligning with your operational timelines.
7. Complete Authorization
Enhance your business prestige with our complete suite of authorization certificates. Our esteemed distributors are empowered to represent and advocate for the SANZHI brand products with confidence, promoting them with pride, assurance, and unwavering certainty.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of excellence in air compression technology, drawing on over a decade of unparalleled experience. Our innovative path has resulted in the production of a remarkable selection of state-of-the-art products. These include high-efficiency screw air compressors and groundbreaking screw vacuum pumps that redefine industry benchmarks. Our extensive product range features standard and low-pressure screw air compressors, cutting-edge models with permanent magnet frequency conversion technology, and durable two-stage compression units. Each screw air compressor is crafted with precision to not just meet but exceed industry standards, excelling in varied applications such as laser cutting, and both single-tank and double-tank mobile configurations, including electric and diesel mobile options. Moreover, our revolutionary screw vacuum pumps set new standards for precision and dependability, securing our prestigious position as trailblazers in the industry.
Our ultra-modern assembly lines epitomize manufacturing excellence, marked by extraordinary efficiency and production capability. Driven by a team of over 50 seasoned experts, we continuously enhance our management systems, prioritizing ERP, which significantly shortens lead times and ensures the punctual delivery of our top-quality products.
Our steadfast dedication to superior management practices is highlighted by our esteemed ISO9001 quality management system certification. We adhere to the highest quality criteria via rigorous control protocols, ensuring each machine undergoes an exhaustive inspection process. This encompasses material assessments, production evaluations, and detailed pre-delivery inspections, guaranteeing that only the finest machinery is delivered to our valued clients.
Our unyielding dedication to outstanding customer service commences with expert pre-sales consultations, assisting clients in choosing the optimal air equipment suited to their unique requirements. Our unmatched customization capabilities enable us to adapt both appearance and configuration according to personal preferences, providing OEM services to cater to specific dealer needs. Our committed sales and service team ensures prompt and efficient responses, guaranteeing seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is resolute and unwavering: to provide exceptional, dependable products while nurturing lasting customer relationships. By harmoniously combining swift delivery, supreme product quality, and competitive pricing, we position ourselves as your reliable partner for comprehensive compressed air solutions.
Strategically situated in Xinzheng City, Henan Province, China, our factory offers unmatched convenience to clients. We offer complimentary transportation from Xinzheng International Airport, just 30 kilometers away-a brief one-hour drive. We warmly invite you to witness our esteemed facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced 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 conduct comprehensive inspections on all raw materials to ensure superior quality.
2. Our precise assembly procedures maintain exceptional standards of excellence.
3. Each machine undergoes a rigorous minimum of five consecutive hours of testing before 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 craft a tailored 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 take immense pride in offering a dynamic selection of voltage configurations, meticulously tailored to meet the diverse needs and regional specifications of our esteemed clientele. Explore our versatile voltage offerings: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to crafting personalized solutions, coupled with our exceptional customization services, assures a perfect match for your operational requirements. This commitment translates into unparalleled adaptability and premium performance, empowering your business with exceptional reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage models, our efficient order processing system ensures completion within an impressive 15 working days post-confirmation. For bespoke orders, our dedicated sales team collaborates closely with you to devise a timeline that aligns perfectly with your specific needs, guaranteeing impeccable and punctual delivery. Our meticulous approach is designed to ensure your satisfaction, fostering a relationship built on trust and consistently exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for simplicity and convenience. Production commences with an upfront 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 process.
Q8. How about your warranty?
A: Our warranty package is expertly structured to deliver peace of mind and confidence. Benefit from a comprehensive one-year warranty on the entire machine, complemented by an extended two-year warranty for the screw air compressor, excluding consumable parts. This comprehensive coverage ensures unparalleled protection, safeguarding your investment with supreme assurance, allowing you to concentrate on your operations without worry.
Q9. What about the maintenance?
A: To sustain optimal performance and extend operational life, we recommend commencing maintenance after 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advised, customized to your specific working conditions. This regular maintenance is crucial for maintaining exceptional durability and reliability, ensuring your investment continues to offer outstanding performance over the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our machines are robustly engineered to excel in high-temperature environments. They function 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 experienced design team. We warmly welcome custom orders and are dedicated to bringing your innovative ideas to life, ensuring your vision is realized with precision and excellence. Partner with us for unparalleled customization and innovation as we strive to transform your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously crafted 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 reliability 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 dedication ensures uninterrupted operations, enabling you to maintain peak performance while effectively minimizing downtime. Our commitment to your success is reflected in our comprehensive support and outstanding customer service.
Q14. How about your after-sales service?
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