Step into a realm of unparalleled excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a beacon of German engineering brilliance. Proudly brought to you by Sanzhi (Henan) Compressor Co., Ltd., a trailblazer in China's compressor industry, this revolutionary innovation is set to transform your operational landscape. Embrace the future with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, renowned for its groundbreaking factory pricing standards. This engineering marvel, equipped with state-of-the-art Centrifugal Fans, delivers outstanding energy efficiency and remarkable cost savings, redefining operational economics. Crafted with meticulous precision for stationary applications, this robust powerhouse effortlessly meets the demanding needs of industrial environments, establishing new benchmarks in performance and reliability. Experience a new era of industrial excellence, where your operations soar to unprecedented heights with the Sanzhi 250KW Compressor. Engineered to deliver exceptional energy efficiency, impressive cost savings, and unparalleled reliability, this product elevates your operational capabilities by integrating advanced technology and German engineering superiority. Discover the future of industrial performance with a product that not only meets but exceeds the expectations of industrial prowess, setting a new standard for excellence in the sector. Let your industrial journey be defined by innovation and excellence, as Sanzhi redefines what is possible in compressor technology, offering solutions that are synonymous with trust and unmatched performance.
In-Depth Analysis: Embark on an enthralling exploration of our cutting-edge system, focusing especially on the Frontside. Discover the seamless synergy of each component, exquisitely designed to deliver outstanding performance and unwavering reliability.
Revolutionary Working Principle: Step into a new horizon of air compression, where groundbreaking innovation converges with remarkable efficiency. This system revolutionizes industry benchmarks through its unwavering commitment to sustainability and unparalleled performance.
At the pinnacle of air compression technology, our system embodies peak efficiency through an ingenious blend of single-stage and multi-stage designs. Though both theoretically require similar energy, practical challenges like transmission power losses, bearing friction, and cooling dynamics often increase energy demands. Our multi-stage systems skillfully reduce the compression ratio at each stage, achieving exceptional efficiency by drastically minimizing energy consumption compared to single-stage models. This sophisticated strategy not only enhances system performance but dramatically cuts excess energy, setting a revolutionary standard in power efficiency.
Introducing the groundbreaking 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This extraordinary innovation features an avant-garde dual rotary screw mechanism, where each stage boasts an active screw driving a passive counterpart through a meticulously designed external power transfer system. The first stage includes a low-pressure screw assembly optimized for peak performance, while the second stage comprises a high-pressure screw assembly. Essential to this intricate process are sealing air films surrounding each screw, directing compression through three pivotal phases: seamless air intake, dynamic pressurization boosting efficiency to exceptional levels, and the final exhaust phase, concluding the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of this two-stage screw air compressor is a testament to engineering ingenuity. A precisely designed low-pressure screw assembly initiates the process, channeling gas into the compression chamber through a finely tuned suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, establishing the groundwork for further enhanced compression in the subsequent phase, paving the way for extraordinary performance.
Second Stage Compression: As gas advances into the second stage, it enters a meticulously engineered, more confined screw chamber where both pressure and temperature are expertly heightened. This process culminates when the exhaust valve opens, allowing high-pressure gases to gracefully exit the system, completing a refined compression cycle characterized by unparalleled efficiency and sophistication.
The complex air compression journey begins as ambient air gently filters through, merging with a touch of lubricating oil in the compression chamber. This mixture undergoes initial compression to intermediate pressure, followed by significant cooling through interaction with oil mist in the cooling channel. The cooled gas then proceeds to the second-stage rotor, experiencing a secondary compression phase to achieve the final desired exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas gracefully exits through the exhaust valve, marking the culmination of an exceedingly 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. are the epitome of cutting-edge engineering and precision craftsmanship, offering unmatched excellence. By leveraging the superior cooling capabilities of water, these compressors ensure not only top-notch lubrication but also significantly lengthen the lifespan of components prone to wear. The advanced circulating cooling water system meticulously cleanses internal elements and efficiently dissipates surplus heat from the cylinder and compressed gas. This cutting-edge mechanism results in a remarkable reduction in exhaust temperatures, decreased power consumption, and substantial savings in operational costs. Regular monitoring and professional maintenance of scaling issues in the cooling system are essential to ensure these compressors consistently deliver peak performance.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is a masterpiece of engineering, crafted with unprecedented precision to offer exceptional constant torque over a vast weak magnetic range. With efficiency surpassing traditional motors by an impressive 20-30%, this motor excels even beyond rated frequencies, delivering unmatched performance in all operating conditions.
2) Motor maintenance-free:The revolutionary permanent magnet motor boasts an innovative bearing-free design, which effectively eliminates traditional costs associated with maintenance and replacement of motor bearings. This remarkable design drastically cuts down overall maintenance expenses, offering users a seamless, hassle-free experience.
3) Integrated frequency converter: Equipped with China's premier frequency system, our compressor provides a broad spectrum of precise speed regulation, adeptly adjusting in real-time to varying gas demands. This ensures maximum energy efficiency and superior operational performance.
4) No transmission loss: Featuring a direct shaft connection design, the compressor integrates an embedded permanent magnet motor for a streamlined and compact architecture. This smart design eradicates the need for couplings and other transmission components, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Meticulously crafted to minimize the impact on power grid equipment, our advanced motor design effectively protects electrical systems from potential damage, significantly extending the lifespan of the entire setup.
6) Reduced energy consumption: With an impressive frequency conversion range of 25% to 100% (versus the standard 50% to 100%), our system delivers over 30% energy savings compared to fixed-speed compressors and about 5% more savings than typical variable frequency compressors-providing substantial advantages for systems with varying gas consumption needs.
7) Unique two-stage compression air end:A marvel of engineering, the two-stage compression screw machine integrates first and second-stage compression rotors within a single casing, with each rotor driven by individual gears. This ensures optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method delivers exceptional cooling effects, significantly reducing the temperature of compressed air. This leads to near-isothermal compression, reduced pressure loss between stages, and a lower compression ratio, boosting overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly lowers the compression ratio for each stage, thereby minimizing internal leakage between high and low-pressure ends and enhancing volumetric efficiency.
10) Noise reduction:The reduction in compression ratio inherent in the two-stage system greatly decreases noise levels, particularly during unloading operations, ensuring a quieter, more tranquil working environment.
11) Easy maintenance and service:Despite the advanced design of the two-stage compression system, the remaining components and structures remain similar to single-stage compressors, ensuring easy maintenance and an intuitive service experience.
12) Door Panels are Removable:Meticulously designed with noise-reducing metal plates and lined with dense sound-absorbing materials, the unit complies with global noise standards. Its door panel design facilitates easy access and removal, offering a generous 270-degree entry that significantly eases maintenance personnel's access, enhancing overall service efficiency.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market influence with our astonishingly competitive ex-factory pricing. This distinctive advantage empowers our clients not only to surpass competitors but also to carve out a substantial niche in their industry landscapes, creating a lasting impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unmatched efficiency and direct dealings, as our products are dispatched straight from our state-of-the-art manufacturing facility. Our economically sound solutions are meticulously engineered to align flawlessly with your specifications, guaranteeing precision and supreme satisfaction at every stage.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our vast production expertise and proficient management to deliver outstanding OEM/ODM services. These solutions are crafted to integrate effortlessly with your precise needs and strategic business goals, ensuring your vision is realized with precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we provide bespoke customization across parameters like voltage, power, and pressure. Contact us for personalized solutions crafted to perfectly meet your distinct requirements, ensuring tailor-made precision.
5. Acceptance of Small Orders: Discover Our Quality
Start with a small trial order to experience the exceptional quality and reliable performance that our products promise. Your satisfaction is our ultimate commitment, and we are devoted to surpassing your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our rapid delivery services, intricately designed to ensure seamless and uninterrupted operations. With our premium products, your schedules are prioritized and consistently met 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 unwavering confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands as a beacon of innovation in the air compression sector, backed by over ten years of unrivaled expertise. As true pioneers, we offer an extensive portfolio of revolutionary products, featuring state-of-the-art screw air compressors and visionary screw vacuum pumps. Our comprehensive product range not only includes conventional models but also showcases advanced low-pressure screw air compressors, pioneering permanent magnet frequency conversion units, and powerful two-stage compression systems. Expertly crafted, our screw air compressors redefine industry standards, optimized for laser cutting, and versatile for both single and double-tank mobility, along with various electric and diesel mobile applications. Our ingenious screw vacuum pumps are engineered for precision and dependability, reinforcing our reputation as industry leaders.
Our unparalleled manufacturing capability is driven by cutting-edge assembly lines, delivering unmatched efficiency and productivity. Supported by a dedicated team of over 50 skilled professionals, we continuously enhance our management systems, such as ERP, significantly reducing lead times and ensuring the swift delivery of our remarkable products.
Our unwavering commitment to excellence is highlighted by our esteemed ISO9001 quality management system certification. By adhering to stringent quality standards and implementing rigorous control measures, each machine undergoes thorough inspections, including material assessments, production evaluations, and meticulous pre-delivery checks. This guarantees that only machines of the highest caliber reach our valued customers.
Our dedication to exceptional customer service begins with expert pre-sales consultations, guiding clients in selecting the perfect air equipment to meet their unique needs. Our unparalleled customization capabilities allow us to tailor both appearance and configuration to individual preferences and offer OEM services for specific dealer requirements. Our committed sales and service team ensures prompt and effective responses, providing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver premium, reliable products while fostering enduring customer relationships. By combining swift delivery with superior product quality and competitive pricing, we establish ourselves as your trusted partner for complete compressed air solutions.
Situated in Xinzheng City, Henan Province, China, our facility boasts unmatched accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, located just 30 kilometers away, approximately an hour's drive. We warmly welcome you to visit our distinguished 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 confirmed industry experience.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they meet our stringent quality standards.
2. Our assembly procedures are executed with precision to uphold exceptional excellence.
3. Each machine undergoes a minimum of five continuous hours of rigorous testing before dispatch, ensuring optimal 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 engineer a customized 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 take immense pride in offering an exquisite array of voltage options, meticulously designed to cater to the distinctive needs of various global territories. Our adaptable configurations encompass: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast dedication to crafting bespoke solutions through our exclusive customization services ensures our products seamlessly integrate with your operational framework. This unwavering commitment results in unparalleled adaptability and efficiency, propelling your enterprise to the peak of performance and reliability.
Q6. How long is the delivery time?
A: Our standard voltage specifications set us apart with swift order processing, completing orders within an exceptional 15 working days post-confirmation. For custom orders, our proactive sales team collaborates closely with you to tailor a timeline that fits your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail guarantees your utmost satisfaction.
Q7. What's the payment term?
A: We have thoughtfully designed our payment terms for simplicity and convenience. Production begins 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 to ensure flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We provide a comprehensive one-year warranty covering the entire machine, supplemented by an additional two-year warranty specifically for the screw air compressor (excluding consumable parts). This extensive coverage offers unmatched protection and peace of mind, safeguarding your investment with utmost assurance.
Q9. What about the maintenance?
A: To maintain peak performance and extend 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 machines are robustly engineered to excel in high-temperature environments. They function 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 turning 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 exceptional 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 unwaveringly committed to providing ongoing support by supplying essential spare parts for your machines. This ensures seamless operations and minimizes 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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