Immerse yourself in the extraordinary prowess and engineering mastery of the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor. This true masterpiece is infused with the cutting-edge brilliance of superior German technology. Proudly presented by Sanzhi (Henan) Compressor Co., Ltd., a distinguished and visionary pioneer in China's compressor domain, this groundbreaking innovation is poised to redefine and elevate your operational efficiency to unprecedented heights. At the heart of this marvel lies our state-of-the-art Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, a revolutionary benchmark setter in the realm of factory pricing paradigms. It marries cost-effectiveness with elite performance, making it a strategic investment for your business. Experience the pinnacle of engineering excellence with its advanced Centrifugal Fans, meticulously designed to deliver outstanding energy savings and significantly reduce your operational costs. Crafted with unwavering precision for stationary applications, this robust powerhouse effortlessly meets and exceeds the rigorous demands of industrial settings. It sets unparalleled standards in performance, durability, and reliability that you can trust. Discover the future of industrial compressors with a product that promises not just to meet but to surpass your expectations, paving the way for greater productivity and sustainability. Elevate your operations with Sanzhi's innovation, where cutting-edge technology meets reliability.
In-Depth Analysis: Embark on an exploratory journey into the sophisticated intricacies of our product's internal structure - Frontside. Discover the extraordinary engineering excellence that forms the core of our pioneering systems. Our design epitomizes exceptional innovation and precision, setting unrivaled new standards in the industry and pushing the boundaries of what's possible.
Revolutionary Working Principle: Welcome a transformative era of air compression technology, anchored by a pioneering principle that aims to redefine industry benchmarks. This innovation lifts performance to extraordinary levels, revolutionizing our understanding of air compression and heralding a new standard of excellence.
Witness the zenith of air compression advancement, where supreme efficiency is realized through the elegant combination of single-stage and multi-stage systems. While ideal conditions suggest balanced energy distribution, real-world applications demand strategic adjustments to overcome transmission losses, bearing friction, and cooling effects. By precisely calibrating the compression ratio at each stage, multi-stage systems achieve remarkable efficiency, drastically reducing power consumption compared to single-stage systems. This refined approach not only boosts overall system performance but also significantly cuts down on excess energy use, establishing a revolutionary benchmark in power optimization.
Presenting the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This state-of-the-art technological marvel is equipped with a sophisticated dual rotary screw configuration, where each stage features an active screw that drives a passive counterpart via a meticulously engineered external power transfer mechanism. The initial stage is governed by a low-pressure screw assembly, optimized for peak efficiency, succeeded by a high-pressure screw assembly in the subsequent phase. Essential to this cutting-edge mechanism are the sealing air films surrounding each screw, directing compression through three pivotal phases: smooth intake, dynamic pressurization that pushes efficiency to new heights, and a precise exhaust phase, completing the cycle with unparalleled precision.
First Stage Compression: The initial phase of the two-stage screw air compressor stands as a testament to supreme engineering. A finely-tuned low-pressure screw assembly takes the lead, guiding gas into the compression chamber through an expertly designed suction valve. As the rotor spins at incredible speeds, the gas undergoes preliminary compression, setting the scene for enhanced compression in the subsequent phase, thereby preparing the system for outstanding performance and efficiency.
Second Stage Compression: As the process progresses to the second stage, the gas is skillfully guided into a uniquely compact screw space where both pressure and temperature are strategically elevated to extraordinary levels. This phase reaches its peak as the exhaust valve opens, allowing high-pressure gases to exit the system, concluding an intricate compression cycle characterized by remarkable efficiency and sophistication.
The sophisticated air compression journey begins with ambient air flowing effortlessly through the air filter, merging seamlessly with a hint of lubricating oil in the compression chamber. This blend 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 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. |
The Water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd. epitomize the pinnacle of precision engineering. By seamlessly merging innovation with practicality, these exceptional machines harness the unrivaled cooling power of water. This not only ensures superior lubrication but also extends the lifespan of components most susceptible to friction. Through cutting-edge technology, these compressors meticulously cleanse internal mechanisms while artfully dissipating heat from the cylinder and compressed gas. The outcome is impressively lower exhaust temperatures and a significant reduction in power consumption, resulting in extraordinary operational cost savings. To sustain peak performance and unwavering reliability, it's imperative to consistently monitor and proactively address potential scaling challenges within the cooling system.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is crafted to deliver an outstanding constant torque range and a wide weak magnetic spectrum. This results in an astonishing 20-30% increase in efficiency compared to conventional motors. Even beyond rated frequencies, the PM motor retains its remarkable efficiency, ensuring exceptional performance across all operating conditions.
2) Motor maintenance-free:Ingeniously designed, the permanent magnet motor features a bearing-free architecture that eliminates traditional costs associated with motor bearing maintenance and replacement. This groundbreaking design leads to a significant reduction in overall maintenance expenses.
3) Integrated frequency converter: Featuring China's premier frequency system, our compressor provides extensive speed regulation with unparalleled precision. This dynamic system effortlessly adapts to real-time gas demands, ensuring optimal energy savings and operational efficiency.
4) No transmission loss: With an innovative direct shaft connection design, our compressor incorporates an advanced permanent magnet motor, creating a sleek and compact structure. This progressive design removes the need for couplings and other transmission components, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design remarkably reduces the strain on power grid equipment, safeguarding electrical systems from potential damage and greatly extending the system's overall lifespan.
6) Reduced energy consumption: With an impressive frequency conversion range from 25% to 100%-outperforming the standard 50% to 100%-our system achieves over 30% energy savings compared to fixed-speed compressors and about 5% more than typical variable frequency compressors. This provides significant benefits for systems with variable gas consumption demands.
7) Unique two-stage compression air end:Our precisely engineered two-stage compression screw machine seamlessly integrates first and second-stage compression rotors within a single casing. Each rotor is driven individually by gears, ensuring optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method provides exceptional cooling results, significantly lowering compressed air temperatures. This innovative technique achieves near-isothermal compression, reduced pressure loss between stages, a lower compression ratio, and improved overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system effectively reduces the compression ratio for each stage, thereby minimizing internal leakage between high and low-pressure ends and enhancing volumetric efficiency.
10) Noise reduction:With a reduced compression ratio in the two-stage system, the noise levels are significantly diminished, particularly during unloading operations, promoting a quieter and more serene working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, other components and structures remain similar to single-stage compressors, ensuring easy maintenance and user-friendly service.
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. Unbeatable Pricing Edge
Immerse yourself in a domain of unmatched market leadership through our irresistibly competitive ex-factory pricing. This strategic powerhouse empowers our distinguished clients to consistently surpass competitors and achieve resounding success in their fields.
2. Seamless Direct Transactions
Discover efficiency at its finest with products delivered directly from our state-of-the-art manufacturing facility. Our economically viable solutions are precisely tailored to meet your exact specifications, ensuring unparalleled accuracy and satisfaction at every juncture.
3. Extensive OEM & ODM Solutions
Leverage our extensive production capabilities and expert management to access outstanding OEM/ODM services. These solutions are meticulously crafted to align flawlessly with your distinct requirements and broader business goals.
4. Tailored Customization Service
We specialize in fulfilling non-standard export orders by offering customization in crucial parameters such as voltage, power, and pressure. Contact us to explore bespoke solutions carefully designed to meet your exclusive demands.
5. Acceptance of Small Orders
Begin your journey with a small trial order to experience firsthand the outstanding quality and performance that our products consistently provide. Your satisfaction is our ultimate commitment.
6. Swift Delivery
Benefit from our speedy delivery services, ensuring your operations continue smoothly without interruption. Our exceptional product offerings guarantee timely delivery every time.
7. Complete Authorization
Advance your business with our full authorization certificates. Our valued distributors can confidently promote the esteemed SANZHI brand products with pride and absolute certainty.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a luminary in the air compression industry, proudly showcasing over a decade of unmatched expertise. Our pioneering efforts in technological innovation are reflected in a premium array of state-of-the-art products, featuring high-performance screw air compressors and groundbreaking screw vacuum pumps. Our diverse product portfolio includes both standard and low-pressure screw air compressors, revolutionary models with permanent magnet frequency conversion, and robust two-stage compression units. Crafted with precision, our screw air compressors elevate industry standards, excelling in laser cutting, adaptable single-tank and double-tank mobile applications, and both electric and diesel mobile configurations. Furthermore, our cutting-edge screw vacuum pumps are designed for unparalleled accuracy and reliability, reinforcing our distinguished reputation as industry leaders.
Endowed with cutting-edge assembly lines, our manufacturing capabilities are unrivaled, exemplifying extraordinary efficiency and capacity. Supported by a team of over 50 skilled professionals, we continually refine our management systems, notably ERP, to significantly reduce lead times and ensure the prompt delivery of our superior products.
Our steadfast commitment to superior management is highlighted by our esteemed ISO9001 quality management system certification. We adhere to rigorous quality standards through stringent control measures, ensuring each machine undergoes a comprehensive inspection process, including material evaluations, production assessments, and meticulous pre-delivery checks, guaranteeing that only top-tier machinery reaches our esteemed clients.
Our tireless dedication to exemplary customer service starts with expert pre-sales consultations, assisting clients in selecting the perfect air equipment tailored to their unique requirements. Our unparalleled customization capabilities enable us to adapt both appearance and configuration to personal preferences, offering OEM services to meet specific dealer needs. Our dedicated sales and service team ensures swift and efficient responses, providing seamless and effective after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is clear: to deliver exceptional and reliable products while nurturing enduring customer partnerships. By combining rapid delivery with 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 unmatched convenience for clients. We provide complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away-a swift hour's drive. We warmly invite you to visit our esteemed facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer with specialized expertise in screw air compressors, supported by over a decade of industry excellence.
Q2. How do you control quality?
A: 1. We perform rigorous inspections on all raw materials to guarantee superior quality.
2. Our meticulous assembly procedures maintain unmatched excellence.
3. Every machine undergoes a rigorous minimum of five consecutive hours of testing before dispatch to verify optimal 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 craft a tailor-made solution perfectly suited 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 air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we proudly offer an impressive selection of voltage options, each meticulously designed to meet the diverse regional needs of our valued clients. Explore our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to providing tailored solutions through outstanding customization services ensures that our products perfectly align with your operational requirements. This dedication promises unmatched flexibility and efficiency, empowering your business with superior performance and reliable dependability.
Q6. How long is the delivery time?
A: Boasting standard voltage specifications, we pride ourselves on our swift and efficient order processing. We complete orders within an impressive 15 working days post-confirmation. For customized orders, our proactive sales team collaborates closely with you to craft a timeline that seamlessly aligns with your needs, ensuring smooth and punctual delivery. Our meticulous approach guarantees your utmost satisfaction and trust, ensuring your experience with us exceeds expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully structured for ease and simplicity. Production commences with an initial 30% T/T payment, followed by 40% T/T pre-shipment, and concludes with the final 30% T/T upon receiving the B/L copy. We graciously accept USD and RMB payments, providing flexibility and convenience for our esteemed clients, ensuring a seamless transaction experience.
Q8. How about your warranty?
A: Our comprehensive warranty package is crafted to provide peace of mind and confidence. It includes a one-year warranty on the entire machine and an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive protection guarantees unmatched security and peace of mind, safeguarding your investment with top-tier assurance, allowing you to focus on operations without worry.
Q9. What about the maintenance?
A: For peak performance and extended lifespan, we recommend initial 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 maintaining optimal durability and reliability over time, ensuring your investment continues to deliver exceptional performance.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly engineered to excel in high-temperature environments. They operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing reliable performance in the most challenging conditions. Your operations will remain resilient and efficient, ensuring consistent productivity and success.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, supported by our highly skilled design team. We eagerly welcome custom orders and are dedicated to turning your unique ideas into reality, ensuring your vision is executed with precision and excellence. Partner with us for unparalleled 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 exceptional longevity, typically delivering an extraordinary lifespan that exceeds 10 years. This ensures reliable and enduring performance, consistently supporting your operations. Invest in our compressors for long-term 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 ensures uninterrupted operations, enabling you to maintain optimal performance and effectively minimize downtime. Our dedication to your success is reflected in our comprehensive support and customer service.
Q14. How about your after-sales service?
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