Step into a world of unmatched brilliance with the Sanzhi 250KW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor. This remarkable creation stands as a shining testament to the pinnacle of German engineering expertise. Sanzhi (Henan) Compressor Co., Ltd., a frontrunner in China's compressor industry, proudly unveils this revolutionary innovation. Transform your operational landscape with our advanced Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, heralded for pioneering new factory pricing benchmarks. This engineering masterpiece, featuring cutting-edge Centrifugal Fans, delivers unparalleled energy efficiency and significant cost reductions, fundamentally redefining operational economics. Designed with meticulous precision for stationary use, this durable powerhouse effortlessly satisfies the rigorous demands of industrial environments, setting new standards in both performance and reliability. Encounter an unparalleled level of excellence that propels your operational capabilities to extraordinary new heights.
In-Depth Analysis: Embark on an enlightening exploration into the core intricacies of this advanced system, focusing on the Frontside. Revel in the elegance of the seamless integration of every component, meticulously orchestrated to deliver extraordinary performance and unwavering reliability.
Revolutionary Working Principle: Step into a new era of air compression, where groundbreaking innovation meets exceptional efficiency. This pioneering approach redefines industry standards, delivering unmatched performance with a dedicated focus on sustainability.
At the pinnacle of air compression technology, our system exemplifies peak efficiency through the harmonious synergy of single-stage and multi-stage configurations. While both systems theoretically require similar energy, real-world influences like transmission losses, bearing friction, and cooling dynamics can increase energy demands. By carefully minimizing the compression ratio at each stage, our multi-stage systems achieve remarkable efficiency, significantly reducing energy consumption compared to their single-stage counterparts. This refined approach not only elevates system performance but also drastically reduces energy excess, setting a new revolutionary benchmark in power efficiency.
Presenting the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological masterpiece features an advanced dual rotary screw mechanism, each stage equipped with an active screw that drives a passive one through a precisely engineered external power transfer system. The first stage incorporates a low-pressure screw assembly, optimized for peak performance, while the subsequent stage contains a high-pressure screw assembly. Central to this sophisticated process are the sealing air films around each screw, guiding compression through three pivotal phases: seamless air intake, dynamic pressurization driving efficiency to unprecedented levels, and the final exhaust phase, completing the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of the two-stage screw air compressor showcases engineering excellence. A precisely crafted low-pressure screw assembly begins the process, channeling gas into the compression chamber via a finely tuned suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, laying the foundation for intensified compression in the next stage, thereby preparing the system for outstanding performance.
Second Stage Compression: As gas advances into the second stage, it enters a precisely engineered, more confined screw space where both pressure and temperature are elevated to new heights. This sophisticated process culminates when the exhaust valve opens, allowing high-pressure gases to effortlessly exit the system, completing an intricate compression cycle marked by unparalleled efficiency and sophistication.
The elegant air compression journey begins as ambient air smoothly passes through the air filter, merging with a touch of lubricating oil within the compression chamber. This mixture undergoes initial compression to intermediate pressure, followed by substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then moves to the second-stage rotor, experiencing a secondary compression phase to reach the desired final exhaust pressure. This meticulously orchestrated cycle culminates as the compressed gas is gracefully expelled through the exhaust valve, marking the conclusion of 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. |
The water-cooled compressors offered by Sanzhi (Henan) Compressor Co., Ltd. exemplify the pinnacle of precision engineering. By utilizing the remarkable cooling capabilities of water, they deliver exceptional lubrication and prolong the lifespan of components susceptible to wear and tear. The circulating cooling water meticulously cleans internal parts and effectively disperses heat from both the cylinder and the compressed gas. This advanced technique significantly lowers exhaust temperatures and reduces power consumption, leading to substantial savings in operational costs. To ensure sustained peak performance, it is crucial to regularly inspect and swiftly address any potential scaling challenges within the cooling system.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor is ingeniously crafted to provide an extraordinary constant torque range paired with a wide weak magnetic spectrum, offering an impressive 20-30% efficiency advantage over conventional motors. Even at frequencies surpassing the rated limits, the PM motor sustains its superior efficiency, guaranteeing optimal performance under all operational circumstances.
2) Motor maintenance-free:Our innovative permanent magnet motor features a revolutionary bearing-free design, eliminating the usual costs associated with motor bearing maintenance and replacement. This trailblazing design significantly curtails overall maintenance expenditures.
3) Integrated frequency converter: Equipped with China's top-tier frequency system, our compressor delivers extensive speed regulation with unmatched precision. The system proficiently adapts in real-time to meet gas demands, ensuring maximum energy conservation and peak operational efficiency.
4) No transmission loss: With a direct shaft connection design, the compressor incorporates an embedded permanent magnet motor, resulting in a streamlined and compact configuration. This ingenious design eliminates the need for couplings and other transmission components, achieving perfect 100% transmission efficiency.
5) Variable frequency start and soft start:The advanced motor design mitigates the impact on power grid equipment, effectively protecting electrical systems from potential damage and significantly extending the overall system's lifespan.
6) Reduced energy consumption: Featuring an exceptional frequency conversion range of 25% to 100% (compared to the standard 50% to 100%), our system delivers more than 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than typical variable frequency compressors, providing substantial benefits for systems with varying gas consumption needs.
7) Unique two-stage compression air end:The expertly crafted two-stage compression screw machine integrates first and second-stage compression rotors within a single casing, with each rotor powered by individual gears, ensuring optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling technique provides remarkable cooling effects, significantly lowering compressed air temperatures. This results in near-isothermal compression, minimized pressure loss between stages, a reduced compression ratio, and elevated overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly diminishes the compression ratio for each stage, minimizing internal leakage between the high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio in the two-stage system notably decreases noise levels, particularly during unloading operations, ensuring a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite the sophisticated two-stage compression design, the remaining components and structures of our system maintain similarities to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Constructed with noise-dampening metal plates and lined with high-density sound-absorbing material, the unit complies with international noise standards. The door panel can be effortlessly opened and removed, providing 270-degree comprehensive access that greatly facilitates maintenance personnel's entry and enhances service efficiency.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market presence with our remarkably competitive ex-factory pricing. This distinctive advantage empowers our clients to not only outperform rivals but also secure a formidable position in their industry landscapes, making their mark with undeniable impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Benefit from unmatched efficiency and direct dealings as our products are dispatched straight from our state-of-the-art manufacturing facility. Our economically savvy solutions are meticulously engineered to match your specifications, ensuring precision and ultimate satisfaction every step of the way.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our extensive production prowess and expert management to offer superior OEM/ODM services. These solutions are crafted to integrate seamlessly with your precise needs and strategic business goals, ensuring your vision is realized with excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we offer bespoke customization across parameters like voltage, power, and pressure. Contact us to uncover personalized solutions crafted to meet your distinct requirements with precision.
5. Acceptance of Small Orders: Discover Our Quality
Begin with a small trial order to experience the outstanding quality and consistent performance our products promise. Your satisfaction is our ultimate commitment, and we aim to exceed your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our rapid delivery services, meticulously designed to keep your operations seamless and uninterrupted. With our top-tier products, your schedules are prioritized and always adhered to with precision.
7. Complete Authorization: Empower Your Enterprise
Strengthen your enterprise with our comprehensive authorization certificates. Our esteemed distributors are fully equipped and empowered to market the prestigious SANZHI brand products with unyielding confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of innovation in air compression technology, expertly drawing upon over ten years of unrivaled industry experience. As pioneers leading the charge, we offer a wide and diverse range of advanced products, featuring cutting-edge screw air compressors and revolutionary screw vacuum pumps. Our expansive selection includes both standard models and inventive creations such as low-pressure screw air compressors, advanced permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors elevate industry standards, engineered with precision for laser cutting, flexible single and double-tank mobile usage, along with adaptable electric and diesel mobile applications. Our groundbreaking screw vacuum pumps are meticulously crafted with precision and reliability at their very core, solidifying our reputation as industry trailblazers.
Our manufacturing excellence is driven by state-of-the-art assembly lines that ensure unmatched efficiency and effectiveness. With a dedicated team of over 50 skilled professionals, we continuously refine our management systems, including ERP, significantly reducing lead times and guaranteeing prompt delivery of our superior products.
Our unwavering commitment to exemplary management is highlighted by our prestigious ISO9001 quality management system certification. By adhering to strict quality standards and employing rigorous control measures, each machine undergoes comprehensive evaluations, including material assessments, production analyses, and meticulous pre-delivery inspections. This dedication ensures that only machines of the highest caliber are delivered to our valued customers.
Our commitment to exceptional customer service begins with expert pre-sales consultations, helping clients choose the perfect air equipment tailored to their specific needs. Our unmatched customization capabilities allow us to adapt both appearance and configuration to individual preferences, while offering OEM services for specific dealer requirements. Our dedicated sales and service team ensures swift and effective responses, providing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver superior, reliable products while fostering lasting customer relationships. By combining rapid delivery with outstanding product quality and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Located in Xinzheng City, Henan Province, China, our facility offers unparalleled accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, a quick 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 specializing in screw air compressors, backed by over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly processes are executed with pinpoint precision to uphold unparalleled excellence.
3. Each machine is subjected to a minimum of five continuous hours of rigorous testing before dispatch, ensuring peak performance and reliability.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (expressed in CFM or m³/Min)
2. Desired working pressure (expressed in PSI, Bar, or Mpa)
3. Voltage and frequency specifications for your country (expressed in V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Provide this information, and we will create a bespoke solution precisely tailored to your requirements!
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 present a spectrum of voltage options, each carefully curated to accommodate the distinct demands of global regions. Choose from our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast dedication to bespoke solutions, through exclusive customization services, ensures seamless integration with your operational needs. This commitment fosters unparalleled adaptability and efficiency, empowering your business with top-tier performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, our rapid order processing distinguishes us, achieving completion within an impressive 15 working days post-order confirmation. For custom orders, our proactive sales team will closely collaborate with you to tailor a timeline aligning perfectly with your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail guarantees your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for simplicity and convenience. We commence production with an initial 30% T/T payment, proceed with a 40% T/T before shipment, and conclude with a final 30% T/T payment upon receipt of the B/L copy. Transactions in both USD and RMB currencies are facilitated for flexibility and ease, catering to our esteemed clients.
Q8. How about your warranty?
A: We provide a comprehensive one-year warranty on the entire machine, enhanced by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage offers unrivaled protection and peace of mind, safeguarding your investment with premier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we recommend initiating maintenance after the first 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advised, customized to your specific working conditions. This routine maintenance is crucial for sustaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly engineered to thrive in high-temperature environments. They operate smoothly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent functionality even under the most demanding conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly provide both OEM and ODM services, supported by our skilled design team. We enthusiastically welcome custom orders and are committed to fulfilling your unique ideas with precision and excellence. Partner with us for unparalleled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for longevity, typically offering an extraordinary lifespan of over 10 years. This ensures reliable and enduring performance, consistently supporting your operations over the years. Invest in our compressors for long-term dependability.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to providing ongoing support by supplying essential spare parts for your machines. This ensures seamless operations and minimizes downtime, enabling you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly devoted to delivering exceptional after-sales service. Our comprehensive support includes detailed online guides for installation and commissioning, alongside access to our expert engineers for training and installation assistance. Your satisfaction and success are our top priorities, ensuring you receive unparalleled support.
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