Step into an extraordinary dimension of supreme excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a pinnacle of German engineering genius. Proudly presented by Sanzhi (Henan) Compressor Co., Ltd., a vanguard in the Chinese compressor industry, this groundbreaking innovation is poised to revolutionize your operational framework. Embrace the forefront of technology with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, celebrated for its innovative factory pricing paradigms. This engineering wonder, featuring cutting-edge Centrifugal Fans, achieves remarkable energy efficiency and substantial cost reductions, redefining the economics of operation. Designed with meticulous attention to detail for stationary applications, this robust titan effortlessly satisfies the challenging requirements of industrial settings, setting new standards in performance and dependability. Enter a novel era of industrial brilliance, where your operations reach unprecedented zeniths with the Sanzhi 250KW Compressor. Crafted to provide exceptional energy efficiency, significant cost savings, and unmatched reliability, this product enhances your operational prowess by incorporating advanced technology and German engineering excellence. Uncover the future of industrial performance with a product that not only meets but surpasses the highest expectations of industrial capability, establishing a new benchmark for excellence within the sector.
In-Depth Analysis: Embark on an enlightening exploration of this cutting-edge system, with a spotlight on the Frontside. Discover the seamless synergy of each intricately designed component, all crafted to deliver exceptional performance and unwavering reliability.
Revolutionary Working Principle: Embark on a transformative journey into the future of air compression, where cutting-edge innovation harmonizes with extraordinary efficiency. This system redefines industry standards, driven by a relentless commitment to sustainability and unparalleled performance.
At the pinnacle of air compression innovation, our advanced system exemplifies supreme efficiency through a masterful integration of single-stage and multi-stage configurations. Although these designs theoretically consume equal energy, real-world challenges like transmission power losses, bearing friction, and cooling complexities usually heighten energy demand. Our multi-stage systems ingeniously curtail the compression ratio at each phase, achieving outstanding efficiency by significantly diminishing energy utilization compared to single-stage counterparts. This refined approach not only enhances system performance but also drastically curtails energy excess, setting an unprecedented 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 boasts a cutting-edge dual rotary screw mechanism, with each stage featuring an active screw driving a passive partner through a precisely engineered external power transmission system. The initial stage showcases a low-pressure screw assembly optimized for peak performance, while the subsequent stage houses a high-pressure screw assembly. At the core of this intricate process are sealing air films that envelop each screw, guiding compression through three pivotal phases: seamless air intake, dynamic pressurization that elevates efficiency to unprecedented levels, and the final exhaust phase, concluding the cycle with unmatched precision and excellence.
First Stage Compression: The opening phase of this two-stage screw air compressor exemplifies engineering ingenuity. A precisely designed low-pressure screw assembly commences the process, directing gas into the compression chamber through a finely tuned suction valve. As the rotor spins at remarkable velocities, the gas undergoes initial compression, setting the groundwork for intensified compression in the following phase, establishing the basis for exceptional performance.
Second Stage Compression: As gas advances to the second stage, it enters a meticulously crafted, more confined screw space where both pressure and temperature are expertly heightened. This process culminates as the exhaust valve opens, allowing high-pressure gases to seamlessly exit the system, completing an elegant compression cycle defined by unrivaled efficiency and precision.
The complex air compression journey begins as ambient air gently filters through the air filter, blending with a trace 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 progresses to the second-stage rotor, encountering a secondary compression phase to attain the desired final exhaust pressure. This meticulously choreographed cycle concludes as the compressed gas is gracefully expelled through the exhaust valve, marking the culmination 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 apex of modern engineering and the finesse of precision craftsmanship. By leveraging the unsurpassed cooling advantages of water, these compressors excel in delivering extraordinary lubrication while significantly extending the durability of components susceptible to friction. The advanced circulating cooling water system meticulously cleanses internal parts and proficiently dissipates surplus heat from both the cylinder and the compressed gas. This cutting-edge system notably minimizes exhaust temperatures, reduces energy consumption, and brings about substantial savings in operational costs. To maintain these compressors in optimal working condition, regular monitoring and expert management of potential scaling in the cooling system are crucial for sustained peak performance.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor stands as a testament to engineering brilliance, precisely designed to deliver remarkable constant torque across a broad weak magnetic spectrum. With an outstanding efficiency that exceeds conventional motors by 20-30%, this motor consistently maintains superior performance even at frequencies beyond the rated range, guaranteeing unparalleled operational excellence across all conditions.
2) Motor maintenance-free:This groundbreaking permanent magnet motor boasts an innovative bearing-free design that eliminates the conventional costs and hassles associated with motor bearing upkeep and replacement. This revolutionary design substantially lowers overall maintenance expenses, offering users a hassle-free and seamless experience.
3) Integrated frequency converter: Equipped with China's premier frequency system, our compressor provides a comprehensive range of precise speed regulation capabilities. The system adeptly adapts in real time to fluctuating gas demands, ensuring peak energy efficiency and superior operational performance at all times.
4) No transmission loss: Featuring a direct shaft connection design, the compressor incorporates an embedded permanent magnet motor within its sleek and compact architecture. This astute design eradicates the need for couplings and additional transmission components, achieving flawless 100% transmission efficiency seamlessly.
5) Variable frequency start and soft start:Our sophisticated motor design is meticulously engineered to diminish impact on power grid equipment, effectively safeguarding electrical systems from potential damage and substantially extending the lifespan of the entire system.
6) Reduced energy consumption: With an impressive frequency conversion range of 25% to 100% (in contrast to 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, offering significant advantages for systems with variable gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is an engineering masterpiece, integrating both first and second-stage compression rotors within a single casing. Each rotor is individually driven by gears to guarantee optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method provides exceptional cooling effects, substantially reducing the temperature of the compressed air. This results in nearly isothermal compression, minimized pressure loss between stages, and a lower compression ratio, significantly enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system substantially reduces the compression ratio for each stage, which effectively minimizes internal leakage between high and low-pressure ends, thereby significantly improving volumetric efficiency.
10) Noise reduction:The lowered compression ratio inherent in the two-stage system markedly diminishes noise levels, particularly during unloading operations, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite the sophisticated design of the two-stage compression system, the remaining components and structures maintain similarities to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Ingeniously designed with noise-reducing metal plates and lined with dense sound-absorbing materials, the unit adheres to global noise standards. Its door panel design allows easy access and removal, offering a 270-degree wide entry that greatly facilitates maintenance personnel's access, enhancing overall service efficiency.
1. Unbeatable Pricing Edge: Exceptional Value, Unmatched Opportunities
Revolutionize your market influence with our remarkably competitive ex-factory pricing. This unique advantage enables our clients to surpass competitors effortlessly, carving out a significant niche in their respective industries and leaving a lasting, powerful impact.
2. Seamless Direct Transactions: Efficiency Redefined
Experience unparalleled efficiency with our direct dealings, as products are dispatched straight from our cutting-edge manufacturing facility. Our cost-effective solutions are engineered meticulously to align perfectly with your specifications, ensuring precision and ultimate satisfaction throughout every stage.
3. Extensive OEM & ODM Solutions: Excellence Tailored to You
Leverage our extensive production expertise and skilled management to deliver exceptional OEM/ODM services. These solutions are designed to integrate seamlessly with your specific needs and strategic business goals, ensuring your vision is realized with unparalleled precision and excellence.
4. Tailored Customization Service: Uniquely Crafted for Your Needs
With a focus on non-standard export orders, we offer bespoke customization in parameters like voltage, power, and pressure. Contact us for personalized solutions crafted to meet your distinct requirements precisely, ensuring tailor-made perfection in every detail.
5. Acceptance of Small Orders: Experience Our Renowned Quality
Begin with a small trial order to witness the superior quality and reliable performance our products are known for. Your satisfaction is our ultimate commitment, and we are dedicated to exceeding your expectations beyond measure.
6. Swift Delivery: Seamless Continuity for Your Operations
Utilize our rapid delivery services, specifically designed to ensure seamless and uninterrupted operations. With our premium products, your schedules are prioritized and consistently met with meticulous precision.
7. Complete Authorization: Empowering Your Enterprise with Confidence
Empower your enterprise with our comprehensive authorization certificates. Our esteemed distributors are fully equipped to promote the prestigious SANZHI brand products with absolute confidence and pride, enhancing your market presence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a luminous beacon in the air compression industry, with over ten years of unrivaled excellence. As true innovators, we offer a broad spectrum of revolutionary products, such as cutting-edge screw air compressors and pioneering screw vacuum pumps. Our extensive product range features both standard and advanced models, including low-pressure screw air compressors, state-of-the-art permanent magnet frequency conversion units, and powerful two-stage compression systems. Our meticulously crafted screw air compressors establish new industry standards, optimized for laser cutting, and suitable for both single and double-tank mobility, plus diverse electric and diesel mobile applications. Our inventive screw vacuum pumps are designed for precision and dependability, affirming our role as industry leaders.
Our superior manufacturing capabilities are driven by advanced assembly lines, delivering unmatched efficiency and productivity. Supported by a dedicated workforce of over 50 skilled professionals, we continually enhance our management systems, such as ERP, significantly reducing lead times and ensuring the swift delivery of our outstanding products.
Our unwavering commitment to managerial excellence is highlighted by our prestigious ISO9001 quality management system certification. By rigorously adhering to quality standards and implementing stringent control measures, every machine undergoes thorough inspections, including material assessments, production evaluations, and detailed pre-delivery checks. This guarantees that only the highest quality machines reach our valued customers.
Our commitment to exceptional customer service begins with expert pre-sales consultations, guiding clients in choosing the perfect air equipment tailored to their unique needs. Our unparalleled customization capabilities allow us to adapt both the appearance and configuration to personal preferences and offer OEM services for specific dealer requirements. Our dedicated sales and service team ensures timely and effective responses, guaranteeing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to deliver high-quality, reliable products while nurturing long-term customer relationships. By combining quick delivery with exceptional product quality and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Situated in Xinzheng City, Henan Province, China, our facility offers unparalleled accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, located just 30 kilometers away, approximately an hour's drive. We warmly welcome 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, 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 high-quality standards.
2. Our assembly procedures are executed with precision to maintain 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 stand at the forefront of innovation and adaptability, offering a stunning range of voltage options thoughtfully crafted to meet the unique requirements of global markets. Our versatile configurations include: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to engineering bespoke solutions through our exclusive customization services ensures seamless integration with your operational ecosystem. This steadfast dedication results in unmatched versatility and efficiency, elevating your enterprise to the pinnacle of performance and reliability.
Q6. How long is the delivery time?
A: Our standard voltage specifications enable us to execute swift order processing, completing orders with remarkable efficiency within just 15 working days after confirmation. For custom orders, our proactive sales team works closely with you to design a personalized timeline that aligns perfectly with your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail is your assurance of utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are crafted for maximum simplicity and convenience. Production kicks off with a 30% T/T upfront payment, progresses with 40% T/T before shipment, and concludes with the final 30% T/T payment upon receipt of the B/L copy. We accommodate transactions in both USD and RMB currencies, providing flexibility and ease for our valued clients.
Q8. How about your warranty?
A: We offer an all-encompassing one-year warranty for the entire machine, enhanced 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, ensuring your investment is well-guarded with the utmost assurance.
Q9. What about the maintenance?
A: To sustain peak performance and prolong the lifespan of our machines, we recommend initiating maintenance after the first 500 hours of operation. Subsequent regular servicing every 2000-3000 hours is suggested, tailored to your specific working conditions. This routine maintenance is vital for maintaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are meticulously engineered to thrive in high-temperature environments. They perform flawlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), delivering consistent performance even under the most demanding conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we are proud to offer both OEM and ODM services, backed by our expert design team. We eagerly welcome custom orders and are dedicated 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 meticulously engineered for exceptional longevity, typically delivering an extraordinary lifespan that extends beyond 10 years. This guarantees reliable, enduring performance that consistently supports your operations in 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 devoted to providing continuous support by supplying essential spare parts for your machines. This ensures seamless operations and minimizes downtime, allowing you to maintain optimal performance consistently.
Q14. How about your after-sales service?
A: We are wholeheartedly committed to providing 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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