Unleash the extraordinary potential of superior operational excellence with the Sanzhi 250KW Two-Stage Water Cooling Screw Air Compressor. This engineering marvel, enhanced by state-of-the-art German technology, is offered by Sanzhi (Henan) Compressor Co., Ltd., a leader in the prestigious Chinese compressor industry. Prepare to transform your operational efficiency with this revolutionary technological masterpiece. At the heart of this innovation is our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, redefining factory pricing models. It harmoniously blends cost-effectiveness with outstanding performance, establishing itself as an indispensable strategic asset for your business ventures. Discover the peak of engineering prowess with its advanced Centrifugal Cooling Fans, expertly crafted to achieve exceptional energy efficiencies and significantly reduce your operational expenses. Meticulously engineered for stable applications, this robust machine excels in meeting the stringent demands of various industrial settings. It delivers unmatched performance, lasting durability, and unparalleled reliability, setting new benchmarks in the industry. Embrace the future of industrial compressors with a product that not only fulfills but surpasses expectations, enhancing productivity and sustainability. Drive your operations into a new era with Sanzhi's groundbreaking innovation, where cutting-edge technology harmonizes with steadfast reliability.
In-Depth Analysis: Embark on an intriguing journey deep into the sophisticated structure of our Advanced Industrial Fan Two-Stage Water Cooling Screw Air Compressor System - Frontside. Discover the brilliance of engineering mastery that lies at the heart of our revolutionary design. This meticulous creation stands as a testament to cutting-edge innovation and precision engineering, setting new and unmatched industry standards and challenging the limits of what's possible.
Revolutionary Working Principle: Step into the future of air compression with an innovative principle that redefines industry norms. This transformative breakthrough catapults performance to extraordinary levels, revolutionizing our comprehension of air compression and setting a new standard of excellence within the industry.
Immerse yourself in the pinnacle of air compression innovation, where remarkable efficiency is achieved through the seamless fusion of single-stage and multi-stage systems. While ideal conditions suggest balanced energy distribution, actual applications demand precise adjustments to mitigate transmission losses, bearing friction, and cooling effects. By meticulously calibrating the compression ratio at each stage, multi-stage systems attain superior efficiency, significantly reducing power consumption compared to single-stage models. This refined strategy not only boosts system performance but also drastically lowers energy excess, establishing an unrivaled benchmark in power efficiency.
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 housing an active screw that drives a passive counterpart via a precisely engineered external power transfer system. The first stage, managed by a low-pressure screw assembly, is optimized for peak efficiency, leading into a subsequent high-pressure screw assembly. At the heart of this sophisticated system are sealing air films surrounding each screw, orchestrating compression through three essential phases: seamless intake, dynamic pressurization achieving unmatched efficiency, and a precise exhaust phase that concludes the cycle with unparalleled precision.
First Stage Compression: The initial stage of the two-stage screw air compressor exemplifies extraordinary engineering prowess. A finely tuned low-pressure screw assembly initiates the process, guiding gas into the compression chamber via a meticulously designed suction valve. As the rotor whirls at remarkable speeds, the gas undergoes initial compression, priming the system for enhanced compression in the subsequent stage, thereby laying the groundwork for superior performance and efficiency.
Second Stage Compression: As the process advances to the second stage, the gas is skillfully directed into a uniquely compact screw space, where pressure and temperature are elevated to extraordinary levels. This stage concludes as the exhaust valve opens, allowing high-pressure gases to exit the system, marking the end of an intricate compression cycle distinguished by exceptional efficiency and sophistication.
The refined air compression process begins as ambient air smoothly passes through the air filter, seamlessly merging with a trace of lubricating oil in the compression chamber. This mixture undergoes initial compression to reach intermediate pressure, followed by substantial cooling as it interacts with oil mist in the cooling channel. The cooled gas then moves 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 gracefully expelled through the exhaust valve, marking the completion of a highly 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 exquisite precision and unmatched excellence that Sanzhi (Henan) Compressor Co., Ltd. offers with our state-of-the-art water-cooled compressors. These machines stand as the pinnacle of advanced engineering innovation, seamlessly blending cutting-edge technology with practical application. By harnessing water's superior cooling capabilities, these compressors not only enhance lubrication but also dramatically extend the lifespan of components most prone to wear. Through groundbreaking techniques, our compressors meticulously purify internal elements and proficiently manage heat dissipation from cylinders and compressed air. This results in a significant reduction of exhaust temperatures and a notable decrease in power consumption, culminating in exceptional operational cost savings. To maintain long-lasting peak performance and unwavering reliability, it is essential to regularly monitor the cooling system and proactively address potential scaling challenges.
1) High efficiency of PM motor:Unveil the extraordinary capabilities of our innovative permanent magnet (PM) motor, meticulously crafted for unparalleled performance. It delivers a consistent torque range and a broad weak magnetic spectrum, achieving an impressive 20-30% efficiency increase over conventional motors. Remarkably, the PM motor maintains its superior efficiency beyond rated frequencies, ensuring peak performance under all operational conditions.
2) Motor maintenance-free:Discover our cutting-edge permanent magnet motor, which boasts a bearing-free design, eliminating the traditional costs associated with motor bearing maintenance and replacement. This revolutionary design approach dramatically reduces overall maintenance expenses, ensuring cost-effective operation.
3) Integrated frequency converter: Our compressor is equipped with China's premier frequency system, offering extensive speed regulation with unrivaled precision. This adaptive system seamlessly aligns with real-time gas demands, ensuring optimal energy efficiency and exceptional operational performance.
4) No transmission loss: Marvel at the ingenuity of our compressor's direct shaft connection design, coupled with a state-of-the-art permanent magnet motor. This innovative approach eliminates the need for couplings and other transmission components, delivering flawless 100% transmission efficiency with a compact, streamlined structure.
5) Variable frequency start and soft start:Our advanced motor design substantially reduces stress on power grid infrastructure, safeguarding electrical systems from potential damage and significantly extending their lifespan.
6) Reduced energy consumption: Our system features a remarkable frequency conversion range of 25% to 100%, surpassing the standard 50% to 100%. This achieves over 30% energy savings compared to fixed-speed compressors and approximately 5% more than typical variable frequency models, offering substantial advantages 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 operates autonomously, driven by gears to ensure optimal linear speed and unrivaled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method delivers exceptional cooling effects, substantially 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 expertly minimizes compression ratios for each stage, significantly reducing internal leakage between high and low-pressure ends, thereby enhancing volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio substantially lowers noise levels, particularly during unloading procedures, creating a quieter and more peaceful working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures remain comparable to those of single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Constructed with sound-dampening metal panels and lined with high-density sound-absorbing materials, the unit complies with international noise standards. The removable door panels offer expansive 270-degree access, significantly simplifying maintenance tasks and enhancing service efficiency.
1. Unparalleled Pricing Advantage
Step into a realm where market dominance is facilitated by our highly attractive ex-factory pricing. This strategic pricing not only enables our valued clients to compete with distinction but also ensures they consistently surpass their competitors, forging a path to unmatched success and industry leadership.
2. Effortless Direct Transactions
Experience unmatched operational efficiency with our direct delivery system from our state-of-the-art manufacturing facility. Our economically efficient, precision-engineered solutions are precisely tailored to meet your specifications, ensuring perfect accuracy and complete satisfaction throughout your collaboration with us.
3. Comprehensive OEM & ODM Solutions
Utilize our expansive production capabilities and the expertise of our management team for superior OEM/ODM services. These meticulously crafted solutions are designed to seamlessly integrate with your requirements and align perfectly with your business goals, ensuring a roadmap to triumph.
4. Customization Service Tailored for You
We excel in customizing non-standard export orders, delivering bespoke solutions across crucial parameters such as voltage, power, and pressure. Partner with us to unveil solutions designed to not only meet but exceed your distinct needs.
5. Acceptance of Smaller Orders
Begin your partnership with us by placing a small trial order to experience firsthand the superior quality and exceptional performance our products consistently provide. Your complete satisfaction is our steadfast promise and enduring commitment.
6. Expedited Delivery Service
Benefit from our rapid delivery services, ensuring your operations remain seamless and uninterrupted. Our exceptional product offerings are perfectly complemented by timely delivery, reliably synchronized with your schedule.
7. Comprehensive Authorization
Elevate your business's prestige with our extensive range of authorization certificates. Our esteemed distributors are empowered to represent the SANZHI brand products with confidence, promoting them with assurance, pride, and unwavering certainty.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands as a beacon of distinction and mastery in the air compression realm, proudly showcasing over a decade of unparalleled prowess. Our pioneering voyage in technological advancements has culminated in a breathtaking array of revolutionary products. This includes high-efficiency screw air compressors and transformative screw vacuum pumps, setting unprecedented standards in the industry. Our extensive product lineup spans 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 intricately designed to not merely meet but elevate industry standards, excelling in diverse applications such as laser cutting, adaptive single-tank and double-tank mobile solutions, as well as electric and diesel mobile configurations. Furthermore, our avant-garde screw vacuum pumps redefine precision and dependability, fortifying our esteemed reputation as industry innovators.
Our cutting-edge assembly lines symbolize manufacturing brilliance, characterized by remarkable efficiency and production capacity. Our operations are driven by a dynamic team of over 50 seasoned experts who relentlessly enhance our management systems, with a dedicated focus on ERP. This ensures significantly reduced lead times and guarantees the swift delivery of our top-tier products.
Our unwavering dedication to superior management practices is highlighted by our prestigious ISO9001 quality management system certification. We adhere to the highest quality standards through meticulous control protocols, ensuring each machine undergoes a thorough inspection regimen. This includes material evaluations, production analyses, and extensive pre-delivery inspections, ensuring only the finest machinery reaches our esteemed clients.
Our relentless quest for 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 meet specific dealer requirements. 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 crystal clear and unwavering: to deliver exceptional, reliable products while nurturing enduring customer relationships. By seamlessly integrating rapid delivery, superior product quality, and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically positioned in Xinzheng City, Henan Province, China, our factory offers unparalleled convenience to our clients. We provide 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, 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 guarantee superior quality.
2. Our precise assembly procedures uphold exceptional standards of excellence.
3. Each machine undergoes a rigorous minimum of five consecutive hours of testing prior to 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 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 proudly present an extensive array of voltage configurations, meticulously tailored to meet the diverse preferences of our esteemed clientele across the globe. Discover our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our commitment to providing bespoke solutions with outstanding customization services ensures a flawless fit for your operational requirements. This unwavering dedication guarantees exceptional adaptability and peak performance, empowering your enterprise with consistent reliability and unmatched efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing ensures completion within an impressive 15 working days following order confirmation. For customized requests, our proactive sales team collaborates closely with you to craft a timeline precisely tailored to your unique needs, ensuring impeccable and timely delivery. Our meticulous approach not only assures your satisfaction but also fosters a partnership based on trust, consistently surpassing expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully designed for simplicity and convenience. Production begins with a 30% T/T upfront payment, followed by 40% T/T before shipment, concluding with a 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 process.
Q8. How about your warranty?
A: Our warranty offerings are meticulously crafted to provide unparalleled security and peace of mind. Enjoy a comprehensive one-year warranty on the entire machine, plus an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This extensive coverage provides unmatched protection, allowing you to secure your investment with the utmost confidence and enabling you to focus on your operations without concerns.
Q9. What about the maintenance?
A: To maintain peak performance and extend the operational lifespan, we recommend maintenance after 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is advisable, customized to your specific working environment. This routine maintenance is crucial for sustaining exceptional durability and dependability, ensuring your investment continues to deliver outstanding performance year after year.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are engineered to thrive in high-temperature environments, operating effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F). This ensures reliable performance even under the most demanding conditions, allowing your operations to remain robust and productive, securing consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to provide both OEM and ODM services, supported by our talented design team. We warmly welcome custom orders and are dedicated to bringing your unique visions to life, ensuring your concepts are realized with precision and excellence. Partner with us for unparalleled customization and innovation as we endeavor to bring your ideas to fruition.
Q12. How long could your air compressor be used?
A: Our air compressors are masterfully designed for remarkable longevity, typically offering an impressive lifespan exceeding 10 years. This guarantees consistent and enduring performance, reliably supporting your operations. Choose our compressors to enjoy enduring dependability and peace of mind, knowing your selection will provide ongoing benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are dedicated to offering continuous support by providing essential spare parts for your machines. This ensures uninterrupted operations, allowing you to maintain peak performance while effectively minimizing downtime. Our commitment to your success is evident in our comprehensive support and outstanding customer service.
Q14. How about your after-sales service?
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