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.
In-Depth Analysis: Dive into an engaging journey within this state-of-the-art system, particularly the Frontside. Unveil the harmonious coordination of each component, masterfully crafted to ensure superior performance and steadfast reliability.
Revolutionary Working Principle: Enter a groundbreaking era in air compression, where pioneering innovation meets exceptional efficiency. This system sets transformative industry standards through a steadfast dedication to sustainability and unmatched performance.
At the zenith of air compression innovation, our system epitomizes optimal efficiency through a clever blend of single-stage and multi-stage designs. While both theoretically consume similar energy, practical inefficiencies like transmission power losses, bearing friction, and cooling dynamics often elevate energy use. Our multi-stage systems expertly minimize the compression ratio at each stage, achieving remarkable efficiency by substantially lowering energy consumption compared to single-stage models. This sophisticated approach not only elevates system performance but also drastically reduces energy surplus, establishing a groundbreaking benchmark in power efficiency.
Introducing the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This remarkable invention features an innovative dual rotary screw mechanism, with each stage displaying an active screw driving a passive counterpart through a carefully crafted external power transfer system. The initial stage contains a low-pressure screw assembly optimized for supreme performance, while the subsequent stage houses a high-pressure screw assembly. Central to this complex process are sealing air films enveloping each screw, directing compression through three key phases: smooth air intake, dynamic pressurization boosting efficiency to unprecedented heights, and the final exhaust phase, completing the cycle with unparalleled precision and excellence.
First Stage Compression: The initial phase of this two-stage screw air compressor showcases engineering brilliance. A meticulously designed low-pressure screw assembly initiates the process, guiding gas into the compression chamber through a finely calibrated suction valve. As the rotor spins at extraordinary speeds, the gas undergoes initial compression, setting the stage for enhanced compression in the subsequent phase, laying the foundation for exceptional performance.
Second Stage Compression: As gas progresses into the second stage, it enters a precisely engineered, more confined screw space where both pressure and temperature are expertly elevated. This process reaches its peak when the exhaust valve opens, allowing high-pressure gases to effortlessly exit the system, completing a sophisticated compression cycle defined by unrivaled efficiency and elegance.
The intricate air compression journey begins as ambient air gently passes through the air filter, merging with a trace of lubricating oil within the compression chamber. This blend undergoes initial compression to 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, encountering a secondary compression phase to reach the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is gracefully expelled through the exhaust valve, marking the end 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. represent the pinnacle of contemporary engineering and the artistry of precision craftsmanship. Harnessing the unparalleled cooling efficacy of water, these compressors not only provide exceptional lubrication but also dramatically extend the lifespan of friction-prone components. The sophisticated circulating cooling water system meticulously purifies internal components while expertly dissipating excess heat from both the cylinder and the compressed gas. This state-of-the-art mechanism significantly reduces exhaust temperatures, cuts down power consumption, and results in considerable operational cost savings. To ensure these compressors consistently operate at peak performance, it's imperative to regularly monitor and expertly address any potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is a true engineering marvel, crafted with precision to deliver exceptional constant torque across an extensive weak magnetic spectrum. With an extraordinary efficiency that surpasses traditional motors by 20-30%, this motor maintains its superior performance even beyond rated frequencies, ensuring unmatched excellence under all operational conditions.
2) Motor maintenance-free:This revolutionary permanent magnet motor features an innovative bearing-free design, effectively eliminating the traditional costs associated with motor bearing maintenance and replacement. This groundbreaking design significantly reduces overall maintenance expenses, providing users with a hassle-free, seamless experience.
3) Integrated frequency converter: Outfitted with China's top-tier frequency system, our compressor offers an extensive range of precise speed regulation. The system adeptly adjusts in real time to meet varying gas demands, ensuring maximum energy efficiency and superior operational performance.
4) No transmission loss: With 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 flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design is meticulously crafted 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: Boasting an impressive frequency conversion range of 25% to 100% (compared to the standard 50% to 100%), our system delivers over 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than typical variable frequency compressors, offering substantial benefits for systems with fluctuating gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is a masterstroke of engineering, integrating first and second-stage compression rotors within a single casing. Each rotor is driven by individual gears to ensure optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers exceptional cooling effects, significantly lowering the temperature of the compressed air. This results in near-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 reduces the compression ratio for each stage, effectively minimizing internal leakage between high and low-pressure ends, thereby enhancing volumetric efficiency.
10) Noise reduction:The reduced compression ratio inherent in the two-stage system significantly lowers noise levels, especially during unloading operations, ensuring a quieter and more tranquil 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: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 effortless access and removal, with a 270-degree wide entry that greatly simplifies maintenance 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 shines brilliantly in the realm of air compression technology, boasting over a decade of unmatched expertise. As genuine trailblazers, we present an expansive array of groundbreaking products, including state-of-the-art screw air compressors and inventive screw vacuum pumps. Our impressive product line not only comprises standard models but also showcases advanced low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and formidable two-stage compression systems. Crafted with precision, our screw air compressors set new industry benchmarks, optimized for laser cutting, and adaptable for both single and double-tank mobility, as well as diverse electric and diesel mobile applications. Our innovative screw vacuum pumps are engineered for accuracy and reliability, cementing our status as industry pioneers.
Our superior manufacturing prowess is powered by advanced assembly lines, yielding unmatched efficiency and productivity. Backed by a dedicated team of over 50 skilled professionals, we relentlessly refine our management systems, such as ERP, dramatically reducing lead times and ensuring the rapid delivery of our exceptional products.
Our commitment to excellence in management is underscored by our prestigious ISO9001 quality management system certification. By adhering to rigorous quality standards and implementing strict control measures, each machine undergoes comprehensive inspections, including material assessments, production evaluations, and meticulous pre-delivery checks. This ensures that only machines of the highest quality reach our esteemed customers.
Our dedication to superior customer service commences with expert pre-sales consultations, assisting clients in selecting the ideal air equipment tailored to their distinct needs. Our unrivaled customization capabilities enable us to adapt both appearance and configuration to personal preferences and offer OEM services for specific dealer requirements. Our committed sales and service team ensures prompt and effective responses, guaranteeing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to deliver premium, dependable products while cultivating enduring customer relationships. By merging 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 unmatched accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, situated 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 verified 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 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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