Enter a world of unmatched excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a shining example of German engineering brilliance. As a pioneering leader in China's compressor industry, Sanzhi (Henan) Compressor Co., Ltd. proudly unveils this revolutionary innovation. Transform your operational landscape with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, celebrated for its groundbreaking factory pricing standards. This engineering masterpiece, featuring cutting-edge Centrifugal Fans, offers remarkable energy efficiency and significant cost savings, revolutionizing operational economics. Designed with meticulous precision for stationary applications, this robust powerhouse effortlessly meets the rigorous demands of industrial environments, setting new benchmarks in both performance and reliability. Step into a new era of industrial excellence where your operations soar to extraordinary heights. The Sanzhi 250KW Compressor is engineered to deliver exceptional energy efficiency, impressive cost savings, and unmatched reliability. Elevate your operational capabilities with a design that integrates advanced technology and German engineering excellence. Discover the future of industrial performance with a product that not only meets but surpasses the expectations of industrial prowess, setting a new standard for excellence in the sector.
In-Depth Analysis: Embark on a captivating exploration into the heart of this advanced system, focusing on the Frontside. Discover the seamless symphony of each component, elegantly crafted to deliver extraordinary performance and unwavering reliability.
Revolutionary Working Principle: Embrace a new era of air compression where cutting-edge innovation meets outstanding efficiency, setting revolutionary industry standards with a commitment to sustainability and unparalleled performance.
At the pinnacle of air compression technology, our system epitomizes peak efficiency through the ingenious fusion of single-stage and multi-stage configurations. Although both systems theoretically require similar energy, real-world inefficiencies such as transmission power losses, bearing friction, and cooling dynamics tend to increase energy usage. Our multi-stage systems, by meticulously minimizing the compression ratio at each stage, achieve superior efficiency, significantly reducing energy consumption compared to single-stage counterparts. This sophisticated strategy not only amplifies system performance but also drastically cuts down energy excess, establishing a revolutionary benchmark in power efficiency.
Introducing the revolutionary 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 mechanism, with each stage showcasing an active screw driving a passive counterpart through a meticulously engineered external power transfer system. The initial stage houses a low-pressure screw assembly fine-tuned for optimal performance, while the subsequent stage contains a high-pressure screw assembly. At the core of this intricate process are sealing air films enveloping each screw, guiding compression through three pivotal phases: seamless air intake, dynamic pressurization elevating efficiency to unprecedented levels, and the final exhaust phase, culminating the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of this two-stage screw air compressor highlights engineering brilliance. A detailed low-pressure screw assembly begins the process, guiding gas into the compression chamber through a precisely tuned suction valve. As the rotor whirls at remarkable speeds, the gas undergoes initial compression, laying the groundwork for enhanced compression in the next phase, setting the stage for exceptional performance.
Second Stage Compression: As gas proceeds into the second stage, it enters a meticulously crafted, more confined screw space where both pressure and temperature are precisely elevated. This process reaches its zenith when the exhaust valve opens, allowing high-pressure gases to seamlessly escape the system, completing a complex compression cycle defined by unmatched efficiency and sophistication.
The intricate air compression journey begins as ambient air smoothly passes through the air filter, blending 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 advances to the second-stage rotor, encountering 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, marking the end 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 from Sanzhi (Henan) Compressor Co., Ltd. are a true marvel of cutting-edge engineering and a vivid representation of precision craftsmanship. Utilizing the remarkable cooling capabilities of water, these compressors not only provide superior lubrication but also significantly extend the lifespan of components prone to friction. The sophisticated circulating cooling water system meticulously cleanses internal components while efficiently dissipating excess heat from both the cylinder and the compressed gas. This advanced mechanism dramatically reduces exhaust temperatures, decreases power consumption, and results in substantial operational cost savings. To ensure these compressors maintain their peak performance, it's crucial to regularly monitor and swiftly manage any potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor stands as an engineering marvel, meticulously crafted to deliver exceptional constant torque across an extensive weak magnetic spectrum. Boasting an extraordinary efficiency that surpasses traditional motors by 20-30%, this motor maintains its superior performance regardless of operating beyond rated frequencies, ensuring unparalleled performance under all operational conditions.
2) Motor maintenance-free:This revolutionary permanent magnet motor showcases an innovative bearing-free design, effectively eliminating the conventional costs associated with motor bearing maintenance and replacement. This groundbreaking design significantly reduces overall maintenance expenses, providing a seamless and hassle-free user experience.
3) Integrated frequency converter: Equipped with China's top-tier frequency system, our compressor boasts an extensive range of precise speed regulation. The system adeptly adjusts in real-time to meet varying gas demands, ensuring maximum energy efficiency and peak operational performance.
4) No transmission loss: Featuring a direct shaft connection design, the compressor integrates an embedded permanent magnet motor for a sleek and compact architecture. This intelligent design eliminates the need for couplings and other transmission components, thereby achieving perfect 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design is meticulously engineered to minimize impact on power grid equipment, effectively safeguarding electrical systems from potential damage and significantly extending the lifespan of the entire system.
6) Reduced energy consumption: With an impressive frequency conversion range of 25% to 100% (compared to the standard 50% to 100%), our system provides over 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than typical variable frequency compressors, delivering substantial benefits for systems with fluctuating gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is a masterpiece of engineering, integrating first and second-stage compression rotors within a singular casing. Each rotor is driven by individual gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method delivers exceptional cooling effects, significantly lowering the temperature of the compressed air. This results in nearly isothermal compression, reduced pressure loss between stages, and a lower compression ratio, enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly lowers the compression ratio for each stage, effectively minimizing internal leakage between high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio intrinsic to the two-stage system significantly diminishes noise levels, especially during unloading operations, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite the advanced design of the two-stage compression system, the remaining components and structures retain similarities to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Expertly crafted with premium noise-dampening metal plates, this extraordinary unit is meticulously lined with superior high-density sound-absorbing materials, proudly meeting and exceeding the stringent international noise standards. Its ingeniously designed door panel can be effortlessly opened and completely detached, presenting an unmatched 270-degree access. This exceptional feature significantly eases the entry for maintenance personnel, remarkably enhancing service efficiency and ensuring the seamless, uninterrupted operations your business truly deserves.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market influence with our astonishingly competitive ex-factory pricing. This singular advantage empowers our clients to not only outperform competitors but also carve out a significant position in their industry landscapes, leaving an indelible impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unparalleled efficiency and direct dealings as our products are dispatched directly from our cutting-edge manufacturing facility. Our economically astute solutions are intricately engineered to align with your specifications, ensuring precision and ultimate satisfaction at every juncture.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Harness our extensive production expertise and adept management to deliver outstanding OEM/ODM services. These solutions are devised to integrate seamlessly with your exact needs and strategic business objectives, ensuring your vision is executed with precision and 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. Reach out to us for personalized solutions crafted to precisely meet your distinct requirements, ensuring tailor-made precision.
5. Acceptance of Small Orders: Discover Our Quality
Initiate with a small trial order to experience the exceptional quality and reliable performance our products guarantee. Your satisfaction is our ultimate pledge, and we are dedicated to exceeding your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Benefit from our rapid delivery services, meticulously crafted to maintain seamless and uninterrupted operations. With our premium products, your schedules are prioritized and consistently adhered to with precision.
7. Complete Authorization: Empower Your Enterprise
Fortify your enterprise with our comprehensive authorization certificates. Our esteemed distributors are fully equipped and empowered to market the prestigious SANZHI brand products with unwavering confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a beacon of excellence in air compression technology, wielding over ten years of unparalleled industry knowledge. As true pioneers, we offer a vast selection of revolutionary products, including cutting-edge screw air compressors and innovative screw vacuum pumps. Our product range not only includes standard models but also features advanced low-pressure screw air compressors, next-generation permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors set new standards, expertly crafted for laser cutting, adaptable for both single and double-tank mobility, as well as versatile electric and diesel mobile applications. Our innovative screw vacuum pumps are engineered with precision and reliability, solidifying our reputation as industry trailblazers.
Our manufacturing excellence is driven by cutting-edge assembly lines, achieving unrivaled efficiency and effectiveness. With a dedicated team of over 50 skilled professionals, we continuously refine our management systems, such as ERP, significantly shortening lead times and ensuring the rapid delivery of our superior products.
Our commitment to superior management is highlighted by our prestigious ISO9001 quality management system certification. By adhering to rigorous quality standards and employing strict control measures, each machine undergoes extensive inspections, including material assessments, production evaluations, and thorough pre-delivery checks. This guarantees that only the highest quality machines reach our valued customers.
Our dedication to outstanding customer service begins with expert pre-sales consultations, guiding clients to select the perfect air equipment tailored to their unique needs. Our unmatched customization capabilities allow us to adapt both appearance and configuration to individual preferences and offer OEM services for specific dealer requirements. Our committed sales and service team provides prompt and effective responses, ensuring seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver top-tier, reliable products while fostering lasting customer relationships. By combining swift delivery with superior product quality and competitive pricing, we establish 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, approximately an hour's drive. We warmly invite you to visit our esteemed facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer specializing in screw air compressors, with 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 procedures are executed with precision to maintain unparalleled excellence.
3. Every machine undergoes at least 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 these details, and we will craft 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 are absolutely delighted to introduce an enchanting selection of voltage options, each crafted with meticulous precision to precisely meet the unique demands of various global regions. Our versatile configurations include: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to creating bespoke solutions through our exclusive customization services ensures that our products integrate seamlessly with your operational framework. This steadfast commitment results in unparalleled adaptability and efficiency, elevating your enterprise to the pinnacle of performance and reliability.
Q6. How long is the delivery time?
A: With our standard voltage specifications, we proudly set ourselves apart through our rapid order processing, completing orders within an extraordinary 15 working days after confirmation. For custom orders, our proactive sales team will collaborate closely with you to craft a timeline that perfectly aligns with your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail ensures your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted to ensure simplicity and convenience. Production commences with a 30% T/T upfront payment, continues with 40% T/T before shipment, and concludes with the final 30% T/T payment upon receipt of the B/L copy. We facilitate transactions in both USD and RMB currencies, ensuring flexibility and ease for our valued clients.
Q8. How about your warranty?
A: We offer an extensive one-year warranty covering the entire machine, complemented by an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This comprehensive coverage provides unmatched protection and peace of mind, safeguarding your investment with premier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we advise initiating maintenance after the initial 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is recommended, tailored to your specific working conditions. This routine maintenance is vital to sustain optimal durability and reliability.
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), ensuring consistent performance even under the most challenging 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 expert design team. We warmly welcome custom orders and are committed to transforming your unique ideas into reality with precision and excellence. Partner with us for unparalleled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are intricately engineered for longevity, typically offering an extraordinary lifespan that exceeds 10 years. This guarantees reliable and enduring performance, consistently supporting your operations over the long term. Invest in our compressors for lasting 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 reduces downtime, allowing you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly dedicated to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, along with 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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