Embark on a journey of unrivaled superiority with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a true testament to the pinnacle of German engineering excellence. As a trailblazer in China's compressor landscape, Sanzhi (Henan) Compressor Co., Ltd. proudly introduces this forward-thinking innovation. Revolutionize your operational dynamics with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, renowned for its revolutionary factory pricing standards that lead the industry. This engineering marvel, equipped with state-of-the-art Centrifugal Fans, provides unparalleled energy efficiency and substantial cost savings, transforming the economic landscape of your operations. Meticulously engineered for stationary applications, this durable powerhouse effortlessly surpasses the strenuous demands of industrial environments, establishing new benchmarks in both performance and reliability. Enter a new era of industrial prowess where your operations achieve extraordinary success. The Sanzhi 250KW Compressor is designed to deliver exceptional energy efficiency, substantial cost savings, and unrivaled reliability. Elevate your operational potential with a design that seamlessly integrates advanced technology and the pinnacle of German engineering. Discover the future of industrial performance with a product that not only meets but exceeds the highest expectations of industrial excellence, setting a new paradigm for superiority in the sector.
In-Depth Analysis: Embark on an exciting journey to the core of this advanced system, focusing on the Frontside. Experience the harmonious integration of each component, masterfully designed to deliver extraordinary performance and steadfast reliability.
Revolutionary Working Principle: Welcome a new era of air compression where state-of-the-art innovation meets exceptional efficiency, establishing revolutionary industry standards with a dedicated focus on sustainability and unrivaled performance.
At the forefront of air compression technology, our system exemplifies peak efficiency through the masterful fusion of single-stage and multi-stage configurations. Although theoretically requiring similar energy, real-world inefficiencies like transmission power losses, bearing friction, and cooling dynamics often increase energy consumption. Our multi-stage systems expertly minimize the compression ratio at each stage to achieve superior efficiency, significantly reducing energy usage compared to single-stage counterparts. This advanced strategy not only enhances system performance but also dramatically cuts down excess energy, setting a groundbreaking benchmark in power efficiency.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel features an innovative dual rotary screw mechanism, with each stage presenting an active screw driving a passive counterpart through a carefully designed external power transfer system. The initial stage showcases a low-pressure screw assembly optimized for peak performance, while the subsequent stage contains a high-pressure screw assembly. At the heart of this complex process are sealing air films surrounding each screw, guiding compression through three essential phases: seamless air intake, dynamic pressurization elevating efficiency to unparalleled heights, and the final exhaust phase, completing the cycle with unmatched precision and brilliance.
First Stage Compression: The initial phase of this two-stage screw air compressor highlights engineering excellence. A well-crafted low-pressure screw assembly begins the process, guiding gas into the compression chamber through a precisely tuned suction valve. As the rotor spins at astonishing speeds, the gas undergoes initial compression, laying the foundation for enhanced compression in the subsequent phase, setting the stage for exceptional performance.
Second Stage Compression: As gas proceeds into the second stage, it enters a meticulously designed, 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 seamlessly exit the system, completing an intricate compression cycle marked by unparalleled efficiency and sophistication.
The complex air compression journey commences as ambient air gently flows through the air filter, mixing 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 advances to the second-stage rotor, undergoing a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is elegantly expelled through the exhaust valve, marking the end 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. |
Discover the pinnacle of modern engineering with the water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd. These extraordinary machines exemplify the fusion of innovative technology and masterful precision. Harnessing the exceptional cooling power of water, these compressors ensure outstanding lubrication, extending the longevity of components susceptible to wear. The advanced circulating water cooling system expertly purifies internal components and adeptly disperses excess heat from the cylinder and compressed gas. This state-of-the-art system markedly reduces exhaust temperatures, optimizes power usage, and leads to significant operational cost reductions. To preserve optimal compressor performance, regular monitoring and prompt management of potential scaling in the cooling system are imperative.
1) High efficiency of PM motor:Experience the pinnacle of engineering with our state-of-the-art permanent magnet (PM) motor, a true marvel in design and efficiency. Engineered to deliver outstanding constant torque over a broad weak magnetic range, this motor surpasses the efficiency of traditional motors by an impressive 20-30%. Whether operating beyond rated frequencies or under varied conditions, it ensures superior performance and reliability, making it an unmatched choice for excellence.
2) Motor maintenance-free:Embrace innovation with our groundbreaking permanent magnet motor featuring a revolutionary bearing-free design. This eliminates the conventional costs associated with motor bearing upkeep and replacement, drastically reducing overall maintenance expenses. Enjoy a seamless, hassle-free experience as this innovation redefines operational efficiency and convenience.
3) Integrated frequency converter: Harness the superior capabilities of our compressor, equipped with China's elite frequency system. This advanced system offers a wide range of precise speed regulation, instantly adapting to shifting gas demands to ensure peak energy efficiency and superior operational performance.
4) No transmission loss: Our compressor boasts a cutting-edge direct shaft connection design, incorporating an internal permanent magnet motor for a streamlined, compact form. This intelligent setup eradicates the need for couplings and other transmission components, achieving flawless 100% transmission efficiency for unparalleled operational success.
5) Variable frequency start and soft start:Our innovative motor design is crafted with precision to diminish its impact on power grid equipment, providing robust protection to electrical systems. This meticulous engineering prolongs the lifespan of the entire system, ensuring sustained reliability and performance.
6) Reduced energy consumption: Our system stands out with an impressive 25% to 100% frequency conversion range, significantly surpassing the standard 50% to 100%. This allows for over 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than typical variable frequency compressors, making it an ideal solution for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Experience cutting-edge technology with our two-stage compression screw machine, a testament to exceptional engineering. This machine integrates first and second-stage compression rotors within a single casing, with each rotor driven by separate gears. This ensures optimal linear speed and unmatched compression efficiency, setting a new standard for industrial excellence.
8) Internal spray curtain cooling method: Our innovative internal spray curtain cooling method offers extraordinary cooling, dramatically decreasing the temperature of compressed air. This achieves nearly isothermal compression, reducing pressure loss between stages and lowering the compression ratio, consequently boosting overall compression efficiency and system productivity.
9) Reduced internal leakage:The advanced two-stage compression system expertly reduces the compression ratio for each stage, significantly curbing internal leakage between high and low-pressure ends. This technological advancement enhances volumetric efficiency, driving superior performance and reliability.
10) Noise reduction:The intrinsic reduced compression ratio of our two-stage system profoundly minimizes noise, particularly during unloading operations. This ensures a quieter, more serene working environment, enhancing comfort and productivity in demanding industrial settings.
11) Easy maintenance and service:Despite the sophisticated design of our two-stage compression system, the remaining components and structures retain their familiarity to single-stage compressors. This ensures straightforward maintenance, offering a user-friendly service experience that simplifies operational upkeep.
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 pivotal advantage empowers our clients to not just surpass competitors, but also to carve out a monumental presence in their industry landscapes, leaving an unforgettable impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unparalleled efficiency with direct dealings, as our products are dispatched straight from our state-of-the-art manufacturing facility. Our economically astute solutions are meticulously engineered to match your specifications, ensuring precision and ultimate satisfaction at every step.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our comprehensive production expertise and adept management to deliver extraordinary OEM/ODM services. These solutions are crafted to integrate flawlessly with your specific needs and strategic business goals, ensuring your vision is executed with unmatched precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we offer bespoke customization in parameters like voltage, power, and pressure. Contact us for personalized solutions crafted to precisely meet your distinct requirements, ensuring tailor-made precision that aligns perfectly with your vision.
5. Acceptance of Small Orders: Discover Our Quality
Begin with a small trial order to experience the exceptional quality and reliable performance our products guarantee. Your satisfaction is our ultimate commitment, and we are dedicated to surpassing your expectations at every turn.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our rapid delivery services, expertly crafted to maintain seamless and uninterrupted operations. With our top-tier products, your schedules are prioritized and consistently adhered to with the utmost 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 is an illustrious leader in air compression technology, boasting over a decade of unmatched industry expertise. As true visionaries, we present an extensive array of groundbreaking products, including state-of-the-art screw air compressors and ingenious screw vacuum pumps. Our diverse portfolio features not only standard models but also advanced low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors redefine industry standards, masterfully engineered for laser cutting, and adaptable for both single and double-tank configurations, as well as versatile electric and diesel mobile applications. Our pioneering screw vacuum pumps are designed with precision and reliability, cementing our reputation as industry innovators.
Our manufacturing prowess is fueled by cutting-edge assembly lines, achieving unmatched efficiency and effectiveness. With 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 superior products.
Our unwavering commitment to superior management is underscored by our esteemed ISO9001 quality management system certification. By adhering to stringent quality standards and employing rigorous control measures, each machine undergoes thorough inspections, including material assessments, production evaluations, and comprehensive pre-delivery checks. This ensures that only the highest quality machines reach our esteemed customers.
Our pledge to exceptional customer service begins with expert pre-sales consultations, guiding clients to select the ideal air equipment tailored to their specific needs. Our unparalleled customization capabilities allow us to modify both appearance and configuration to individual preferences and offer OEM services for specific dealer requirements. Our dedicated sales and service team delivers prompt and comprehensive responses, ensuring seamless and effective post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to provide top-tier, reliable products while nurturing enduring customer relationships. By combining rapid delivery with superior product quality and competitive pricing, we position ourselves as your trusted partner for holistic compressed air solutions.
Situated in Xinzheng City, Henan Province, China, our facility offers exceptional accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, approximately 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 with specialized expertise in screw air compressors, backed by over a decade of proven industry experience.
Q2. How do you control quality?
A: 1. We conduct meticulous inspections of all raw materials to ensure they meet our superior quality standards.
2. Our assembly processes are executed with precision to uphold unparalleled excellence.
3. Every machine undergoes at least five hours of continuous and rigorous testing before dispatch, ensuring peak 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 craft a bespoke solution precisely tailored to your requirements!
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 elated to present a captivating array of voltage options, meticulously crafted to meet the unique demands of global regions with pinpoint accuracy. Our adaptable configurations include: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to bespoke solutions through our exclusive customization services ensures seamless integration with your operations. This steadfast dedication results in unmatched adaptability and efficiency, elevating your enterprise to peak performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we proudly distinguish ourselves with rapid order processing, completing orders within an impressive 15 working days post-confirmation. For custom orders, our proactive sales team collaborates closely to craft a timeline perfectly aligned with 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: Our payment terms are thoughtfully fashioned for simplicity and convenience. Production begins with a 30% T/T upfront payment, followed by 40% T/T before shipment, concluding with the final 30% T/T upon receipt of the B/L copy. We conduct transactions in both USD and RMB currencies, ensuring flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We provide a comprehensive one-year warranty covering the entire machine, enhanced by an additional two-year warranty specifically for the screw air compressor, excluding consumables. This extensive coverage furnishes unmatched protection and tranquility, safeguarding your investment with premier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we recommend initiating maintenance after the initial 500 hours of operation. Thereafter, regular servicing every 2000-3000 hours is advised, tailored 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 robust machines are precisely 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), assuring 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 offer both OEM and ODM services, supported by our expert design team. We warmly welcome custom orders and are committed to transforming 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 longevity, typically providing 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 dedicated to providing ongoing support by supplying essential spare parts for your machines. This ensures seamless operations and reduces downtime, enabling you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly committed 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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