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: Embark on a captivating exploration of this cutting-edge system, especially focusing on the Frontside. Discover the seamless orchestration of components, each meticulously engineered to deliver unparalleled performance and unwavering reliability.
Revolutionary Working Principle: Step into a new era of air compression, where groundbreaking innovation meets extraordinary efficiency. This system revolutionizes industry norms with a strong commitment to sustainability and unmatched performance excellence.
At the pinnacle of air compression technology, our system achieves peak efficiency through a sophisticated integration of single-stage and multi-stage designs. Though theoretically similar in energy use, practical inefficiencies such as transmission power losses, bearing friction, and cooling dynamics often increase energy demands. Our multi-stage systems proficiently reduce the compression ratio at each stage, achieving outstanding efficiency by significantly cutting down energy consumption compared to single-stage models. This advanced strategy not only enhances system performance but also dramatically decreases energy surplus, setting a revolutionary standard in power efficiency.
Presenting the groundbreaking 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This exceptional creation boasts an innovative dual rotary screw mechanism, with each stage showcasing a dynamic screw driving a passive counterpart through a precisely engineered external power transfer system. The first stage features a low-pressure screw assembly fine-tuned for optimal performance, while the subsequent stage incorporates a high-pressure screw assembly. At the heart of this complex operation are sealing air films surrounding each screw, steering compression through three pivotal phases: seamless air intake, dynamic pressurization boosting efficiency to unprecedented levels, and the ultimate exhaust phase, culminating the cycle with unrivaled precision and excellence.
First Stage Compression: The initial phase of this two-stage screw air compressor exemplifies engineering genius. A carefully designed low-pressure screw assembly begins the process, drawing gas into the compression chamber via a precisely calibrated suction valve. As the rotor spins at remarkable speeds, the gas experiences initial compression, setting the stage for intensified compression in the next phase, laying the groundwork for superior performance.
Second Stage Compression: As gas advances into the second stage, it enters a meticulously crafted, more constrained screw space where pressure and temperature are expertly heightened. This process culminates when the exhaust valve opens, allowing high-pressure gases to effortlessly exit the system, completing an intricate compression cycle marked by unmatched efficiency and sophistication.
The intricate air compression journey begins as ambient air gently flows through the air filter, merging with a hint of lubricating oil inside 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 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 smoothly 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. |
Step into the future of engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors. Elevating precision craftsmanship to new heights, these compressors leverage the unmatched cooling prowess of water to deliver extraordinary lubrication, substantially extending the life of critical friction components. The cutting-edge circulating cooling water system not only purifies internal elements with meticulous care but also expertly discharges excess heat from the cylinder and compressed gas. This innovative system slashes exhaust temperatures, curtails power usage, and yields significant operational cost reductions. For uninterrupted optimal performance, it is crucial to diligently monitor and resolve any scaling concerns in the cooling system.
1) High efficiency of PM motor:Behold the marvel of modern engineering: our advanced permanent magnet (PM) motor, a masterpiece of precision delivering remarkable constant torque across an extensive weak magnetic range. Outshining conventional motors by an impressive 20-30%, this motor excels even beyond rated frequencies, guaranteeing unparalleled performance under all operational scenarios.
2) Motor maintenance-free:Embrace the future with this revolutionary permanent magnet motor, featuring an ingenious bearing-free design that eradicates the traditional costs of motor bearing upkeep and replacement. This innovative approach significantly slashes maintenance expenditures, offering a seamless and trouble-free experience for users.
3) Integrated frequency converter: Equipped with China's premier frequency system, our compressor provides an expansive range of finely tuned speed regulation. The system dynamically adapts in real time to varying gas demands, ensuring peak energy efficiency and exceptional operational performance.
4) No transmission loss: Featuring a direct shaft connection design, this compressor merges an embedded permanent magnet motor for a streamlined and compact form. This astute design removes the necessity for couplings and other transmission parts, achieving impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design, engineered with precision, minimizes the impact on power grid equipment, thereby protecting electrical systems from potential damage and substantially prolonging overall system life.
6) Reduced energy consumption: With an impressive frequency conversion spectrum of 25% to 100%-far superior 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 remarkable benefits for systems with variable gas consumption.
7) Unique two-stage compression air end:The two-stage compression screw mechanism stands as a testament to engineering prowess, integrating first and second-stage compression rotors within a single casing. Individual gears drive each rotor, ensuring optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method provides exceptional cooling, significantly reducing compressed air temperatures. This achieves near-isothermal compression, diminished pressure loss between stages, and a lower compression ratio, thereby boosting overall compression efficiency.
9) Reduced internal leakage:The innovative two-stage compression system substantially decreases the compression ratio per stage, effectively minimizing internal leakage between high and low-pressure ends, thus enhancing volumetric efficiency.
10) Noise reduction:Thanks to the decreased compression ratio inherent in the two-stage system, noise levels are significantly reduced, particularly during unloading operations, creating a quieter and more serene work environment.
11) Easy maintenance and service:Despite the sophisticated design of the two-stage compression system, the remaining components and structures share similarities with single-stage compressors, ensuring easy maintenance and an intuitive service experience.
12) Door Panels are Removable:Ingeniously crafted with noise-reducing metal plates and lined with dense sound-absorbing materials, the unit adheres to global noise standards. Its door panel design offers easy access and removal, with a 270-degree wide entry that greatly simplifies maintenance access, enhancing overall service efficiency.
1. Unbeatable Pricing Edge: Exceptional Value
Transform your market presence with our exceptionally competitive ex-factory pricing. This unique advantage allows our clients to not only outshine competitors but also to establish a formidable and enduring market position, making a profound impact in their industry domains.
2. Seamless Direct Transactions: Efficiency at Its Best
Achieve unparalleled efficiency with direct transactions, as our products are dispatched directly from our advanced manufacturing facility. Our economically advantageous solutions are expertly designed to align with your specifications, ensuring precision and remarkable satisfaction throughout every phase.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Harness our extensive manufacturing expertise and skilled management to provide exceptional OEM/ODM services. These solutions are meticulously crafted to seamlessly integrate with your specific needs and strategic business objectives, ensuring your vision is executed with precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
With a focus on non-standard export orders, we offer bespoke customization in parameters like voltage, power, and pressure. Reach out to us for personalized solutions meticulously designed to meet your unique requirements, guaranteeing precision that is tailor-made for you.
5. Acceptance of Small Orders: Discover Our Quality
Initiate with a small trial order to witness the superior quality and dependable performance our products assure. Your satisfaction is our ultimate mission, and we are dedicated to exceeding your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Benefit from our rapid delivery services, thoughtfully designed to ensure seamless and uninterrupted operations. With our top-tier products, your schedules are given top priority and are consistently met with precision.
7. Complete Authorization: Empower Your Enterprise
Empower your business with our all-encompassing authorization certificates. Our distinguished distributors are fully equipped and authorized to market the esteemed SANZHI brand products with unshakeable confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a luminary in the air compression technology sector, with over a decade of unparalleled experience. As true pioneers, we offer a comprehensive range of innovative products, including cutting-edge screw air compressors and pioneering screw vacuum pumps. Our remarkable product catalog includes not only standard models but also advanced low-pressure screw air compressors, state-of-the-art permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors, crafted with meticulous precision, set new standards in the industry, optimized for laser cutting, and adaptable to both single and double-tank mobility, as well as a variety of electric and diesel mobile applications. Our inventive screw vacuum pumps are designed for precision and reliability, solidifying our standing as industry leaders.
Our exceptional manufacturing capabilities are driven by cutting-edge assembly lines, delivering unmatched efficiency and productivity. Supported by a dedicated team of over 50 skilled professionals, we continuously refine our management systems, such as ERP, significantly reducing lead times and ensuring the swift delivery of our outstanding products.
Our unwavering commitment to excellence in management 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 detailed pre-delivery checks. This ensures that only the highest quality machines reach our valued customers.
Our dedication to exceptional customer service begins with expert pre-sales consultations, helping clients choose the ideal air equipment tailored to their unique needs. Our unparalleled customization capabilities allow us to modify both appearance and configuration according to personal preferences and provide OEM services for specific dealer requirements. Our devoted 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 premium and reliable products while fostering enduring customer relationships. By combining rapid delivery with superior 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 exceptional accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, located just 30 kilometers away, about an hour's drive. We warmly welcome you to visit our prestigious 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 are delighted to present a magnificent selection of voltage options, each precisely crafted to meet the unique requirements of diverse 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 developing custom solutions with our bespoke customization services ensures that our products integrate flawlessly into your operational infrastructure. This steadfast commitment results in unmatched adaptability and efficiency, elevating your business to the pinnacle of performance and reliability.
Q6. How long is the delivery time?
A: Our standard voltage specifications distinguish us with rapid order processing, accomplishing orders within an astounding 15 working days following confirmation. For custom orders, our dynamic sales team partners closely with you to tailor a timeline that aligns with your requirements, guaranteeing a smooth and punctual delivery process. Our meticulous attention to detail ensures your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully designed for ease and simplicity. Production initiates with a 30% T/T advance payment, progresses with 40% T/T prior to 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 provide flexibility and convenience for our valued clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty for the entire machine, bolstered by an additional two-year warranty specifically for the screw air compressor (excluding consumable parts). This extensive protection provides unmatched peace of mind, securing your investment with complete assurance.
Q9. What about the maintenance?
A: To achieve peak performance and prolong longevity, we recommend starting maintenance after the initial 500 hours of operation. Subsequently, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is critical 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 operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even in 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, backed by our expert design team. We warmly welcome custom orders and are committed to bringing your unique ideas to life 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 remarkable longevity, typically offering an extraordinary lifespan exceeding 10 years. This ensures 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 steadfastly committed to providing continuous support by supplying essential spare parts for your machines. This ensures uninterrupted operations and minimizes downtime, allowing you to maintain optimal performance consistently.
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 support. Your satisfaction and success are our top priorities, ensuring you receive unparalleled assistance.
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