Immerse yourself in the extraordinary prowess of the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor, a true masterpiece infused with the cutting-edge brilliance of superior German technology. Sanzhi (Henan) Compressor Co., Ltd., a distinguished and visionary pioneer in China's compressor domain, takes immense pride in unveiling this groundbreaking innovation that is set to redefine and elevate your operational efficiency to unprecedented heights. Our state-of-the-art Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor has rightfully earned its acclaim as a revolutionary benchmark setter in the realm of factory pricing paradigms, marrying cost-effectiveness with elite performance. Experience the pinnacle of engineering excellence with its advanced Centrifugal Fans, meticulously designed to deliver remarkable energy savings while significantly reducing your operational costs. Crafted with unwavering precision for stationary applications, this robust powerhouse effortlessly meets and exceeds the rigorous demands of industrial settings, setting unparalleled standards in performance, durability, and reliability. Discover the future of industrial compressors with a product that promises not just to meet but to surpass your expectations, paving the way for greater productivity and sustainability.
In-Depth Analysis: Embark on an immersive journey into the intricate details of the internal structure - Frontside. Discover the remarkable engineering that underpins our advanced systems, showcasing unparalleled innovation and precision.
Revolutionary Working Principle: Pioneering a transformative era in air compression technology, this principle is set to redefine industry standards and elevate performance benchmarks to new heights.
At the forefront of air compression innovation, our design achieves supreme efficiency by balancing the best of single-stage and multi-stage systems. While ideal scenarios suggest equal energy expenditure, real-world conditions often necessitate *** to overcome elements like transmission losses, bearing friction, and cooling effects. By strategically optimizing the compression ratio at every stage, our multi-stage technology delivers outstanding efficiency, significantly reducing power consumption compared to single-stage models. This refined approach not only elevates overall system performance but also dramatically cuts unnecessary energy use, setting a new precedent in power optimization.
Introducing the cutting-edge 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor from Sanzhi (Henan) Compressor Co., Ltd. This technological masterpiece is engineered with an advanced dual rotary screw design, where each stage features a dynamic screw driving a passive screw through a precision-engineered external power transfer system. The process begins with a low-pressure screw assembly, crafted for peak output, followed by a high-pressure screw assembly in the subsequent stage. Central to this innovative process are sealing air films around each screw, guiding the compression through three essential stages: seamless air intake, dynamic pressurization that elevates efficiency to unprecedented levels, and the final exhaust phase, completing the cycle with precision and mastery.
First Stage Compression: This initial phase of the two-stage screw air compressor is a testament to engineering brilliance. A sophisticated low-pressure screw assembly initiates the process, channeling gas into the compression chamber via a precisely crafted suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, setting the stage for intensified compression in the following phase, thus priming the system for extraordinary performance.
Second Stage Compression: As the gas transitions into the second stage, it enters a uniquely designed, more confined screw space where both pressure and temperature are meticulously elevated to unprecedented heights. This process reaches its apex as the exhaust valve opens, allowing high-pressure gases to exit the system, completing an intricate compression cycle characterized by unmatched efficiency and sophistication.
The sophisticated air compression journey commences as ambient air seamlessly flows through the air filter, merging with a hint of lubricating oil within the compression chamber. This mixture undergoes initial compression to an intermediate pressure, followed by substantial cooling as it interacts with oil mist in the cooling channel. The cooled gas then moves to the second-stage rotor, experiencing a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle culminates as the compressed gas is elegantly expelled through the exhaust valve, marking the conclusion 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 proudly presented by Sanzhi (Henan) Compressor Co., Ltd. represent the zenith of precision engineering. By tapping into water's unparalleled cooling prowess, these compressors offer exceptional lubrication and prolong the lifespan of components vulnerable to friction. This cutting-edge technology provides thorough cleansing of internal mechanisms and adeptly dissipates heat from the cylinder and compressed gas, leading to significantly lower exhaust temperatures and diminished power consumption. These attributes culminate in remarkable operational cost efficiencies. To sustain optimal performance and reliability, it is crucial to conduct regular monitoring and proactively manage any potential scaling challenges within the cooling system.
1) High efficiency of PM motor:Our avant-garde permanent magnet (PM) motor is designed to deliver an outstanding constant torque range, combined with a broad weak magnetic spectrum, achieving an unprecedented 20-30% enhancement in efficiency over conventional motors. Even at frequencies beyond the rated level, the PM motor maintains its exceptional efficiency, ensuring peak performance in all operating conditions.
2) Motor maintenance-free:Ingeniously crafted, the permanent magnet motor features a bearing-free design, eradicating the traditional expenses associated with motor bearing upkeep and replacement. This revolutionary design results in a significant decrease in overall maintenance costs.
3) Integrated frequency converter: Outfitted with China's leading frequency system, our compressor delivers extensive speed regulation with impressive precision. This adaptive system seamlessly adjusts to real-time gas demands, ensuring maximum energy savings and operational efficiency.
4) No transmission loss: With a direct shaft connection design, our compressor incorporates an advanced permanent magnet motor, resulting in a compact and streamlined structure. This innovative approach eliminates the requirement for couplings and other transmission components, achieving impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design effectively reduces impact on power grid equipment, protecting electrical systems from potential damage and greatly prolonging the system's overall lifespan.
6) Reduced energy consumption: Featuring a remarkable frequency conversion range from 25% to 100%-exceeding the standard 50% to 100%-our system offers over 30% energy savings compared to fixed-speed compressors, and about 5% more compared to standard variable frequency compressors. This provides significant benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our precisely engineered two-stage compression screw machine deftly integrates first and second-stage compression rotors into a single casing. Each rotor is driven by individual gears, ensuring optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our highly effective internal spray curtain cooling technique delivers exceptional cooling results, substantially reducing compressed air temperatures. This method leads to near-isothermal compression, reduced pressure loss between stages, a lower compression ratio, and enhanced overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly reduces the compression ratio for each stage, thereby minimizing internal leakage between high and low-pressure ends and improving volumetric efficiency.
10) Noise reduction:With a reduced compression ratio in the two-stage system, noise levels are notably lowered, especially during unloading operations, ensuring a quieter and more peaceful working environment.
11) Easy maintenance and service:Despite the sophisticated two-stage compression design, other components and structures remain akin to single-stage compressors, ensuring ease of maintenance and service-friendly operation.
12) Door Panels are Removable:Constructed with noise-reducing metal plates and lined with high-density sound-absorbing material, the unit complies with international noise standards. The door panels can be easily opened and removed, offering a comprehensive 270-degree access that greatly facilitates maintenance tasks and enhances service efficiency.
1. Unbeatable Pricing Edge
Immerse yourself in a domain of unprecedented market excellence with our irresistibly attractive ex-factory pricing. This powerful strategic advantage equips our valued clients to consistently surpass their competitors and achieve triumphant success in their fields.
2. Seamless Direct Transactions
Embrace the pinnacle of operational efficiency with products dispatched directly from our state-of-the-art manufacturing facility. Our economical solutions are meticulously crafted to meet your exact specifications, ensuring unparalleled accuracy and satisfaction at every stage.
3. Extensive OEM & ODM Solutions
Leverage our robust manufacturing capabilities and expert management to access outstanding OEM/ODM services. These solutions are ingeniously crafted to seamlessly align with your specific needs and overarching business goals.
4. Tailored Customization Service
We specialize in meeting non-standard export orders by offering customization in crucial parameters such as voltage, power, and pressure. Connect with us to discover bespoke solutions meticulously designed to cater specifically to your distinctive needs.
5. Acceptance of Small Orders
Begin your journey with a small trial order to experience firsthand the outstanding quality and performance our products consistently deliver. Your satisfaction remains our utmost priority.
6. Swift Delivery
Benefit from our expedited delivery services, ensuring your operations remain smooth and uninterrupted, with timelines consistently adhered to through our superior product offerings.
7. Complete Authorization
Elevate your business endeavors with our comprehensive authorization certificates. Our esteemed distributors can proudly and confidently champion the prestigious SANZHI brand products with unwavering assurance.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd, a luminary in air compression innovation, shines brightly with over ten years of unmatched industry expertise. Our leadership is evidenced by a prestigious array of state-of-the-art products, including superior screw air compressors and trailblazing screw vacuum pumps. Our diverse offerings encompass both standard and low-pressure screw air compressors, groundbreaking permanent magnet frequency conversion models, and robust two-stage compression units. Crafted with meticulous precision, our screw air compressors set new benchmarks, catering to laser cutting, adaptable single-tank and double-tank mobile applications, with electric and diesel mobile configurations. Complementing these are our cutting-edge screw vacuum pumps, engineered for outstanding precision and reliability, affirming our distinguished status as industry front-runners.
Boasting modern assembly lines, our manufacturing excellence is unmatched in both efficiency and capability. Supported by a dedicated team of over 50 skilled professionals, we consistently elevate our management systems, including ERP, to dramatically reduce lead times and ensure the expeditious delivery of our superior products.
Our unwavering commitment to excellence in management is highlighted by our esteemed ISO9001 quality management system certification. Adhering to strict quality standards through rigorous controls, each machine undergoes an exhaustive inspection process, covering material evaluations, production assessments, and meticulous pre-delivery checks, guaranteeing that only the finest machinery is delivered to our valued clients.
Our relentless dedication to outstanding customer service begins with professional pre-sales consultations, guiding clients in selecting the perfect air equipment tailored to their specific requirements. Our unrivaled customization capabilities allow us to modify both the appearance and configuration to personal preferences, and we offer OEM services to fulfill specific dealer needs. Our devoted sales and service team ensures quick and efficient responses, providing seamless and effective after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver exceptional and dependable products while cultivating enduring customer partnership. By combining rapid delivery with superior product quality and competitive pricing, we stand as your trusted partner for comprehensive compressed air solutions.
Our factory is strategically located in Xinzheng City, Henan Province, China, offering unparalleled convenience for clients. We provide complimentary transportation from Xinzheng International Airport, situated just 30 kilometers away-a swift 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 with specialized expertise in screw air compressors, proudly backed by over a decade of industry excellence.
Q2. How do you control quality?
A: 1. We conduct rigorous inspections on all raw materials to ensure superior quality.
2. Our meticulous assembly procedures uphold unparalleled excellence.
3. Each machine is subjected to a rigorous minimum of five consecutive hours of testing before dispatch to verify optimal performance and reliability.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (in CFM or m³/Min)
2. Desired working pressure (in PSI, Bar, or Mpa)
3. Voltage and frequency specifications for your country (in V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Provide these details, and we will craft a tailor-made solution precisely 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 presenting a stunning array of voltage options, each masterfully crafted to cater to the diverse regional demands. Discover our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to providing tailored solutions is evident through our exceptional customization services, ensuring our products seamlessly align with your operational requirements. This dedication guarantees unparalleled flexibility and efficiency, empowering your business with optimal performance and unwavering reliability.
Q6. How long is the delivery time?
A: With our standard voltage specifications, we pride ourselves on efficient order processing, achieving completion within an impressive timeframe of 15 working days post-confirmation. For customized orders, our proactive sales team collaborates closely with you to craft a perfectly tailored timeline that aligns seamlessly with your needs, ensuring smooth and timely delivery. Our meticulous approach is designed to secure your utmost satisfaction and trust.
Q7. What's the payment term?
A: Our payment terms are crafted for utmost ease and simplicity. We stipulate an initial 30% T/T payment to commence production, followed by 40% T/T prior to shipment, and the final 30% T/T upon receiving the B/L copy. We accept payments in both USD and RMB, enhancing flexibility and convenience for our esteemed clients.
Q8. How about your warranty?
A: Our comprehensive warranty package encompasses a full one-year warranty on the entire machine, complemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive protection offers unmatched security and peace of mind, safeguarding your investment with top-tier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity of your machine, we recommend initial maintenance post 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is advisable, customized to your specific working conditions. This routine maintenance is essential for preserving optimal durability and reliability over time.
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 flawlessly 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 highly efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly provide both OEM and ODM services, backed by our highly skilled design team. We welcome custom orders and are committed to transforming your unique ideas into reality, ensuring your vision is executed with precision and excellence. Collaborate with us for unrivaled customization and innovation.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously crafted for longevity, typically offering an extraordinary lifespan exceeding 10 years. This ensures reliable and enduring performance, consistently supporting your operations. Invest in our compressors for long-term dependability and peace of mind.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are devoted to providing continuous support by supplying vital spare parts for your machines. This ensures seamless operations, enabling you to maintain optimal performance and effectively minimize downtime.
Q14. How about your after-sales service?
A: We are dedicated to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, coupled with access to our expert engineers for training and installation support. Your satisfaction and success are our top priorities, ensuring you receive unparalleled support and guidance.
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