Step boldly into a realm of unmatched superiority with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a shining example of German engineering brilliance. Proudly presented by Sanzhi (Henan) Compressor Co., Ltd., a vanguard in China's compressor industry, this remarkable innovation is designed to transform your operational dynamics. Embrace the future with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, celebrated for its pioneering factory pricing standards. This engineering wonder, enhanced with cutting-edge Centrifugal Fans, guarantees extraordinary energy efficiency and significant cost savings, thus redefining operational economics. Crafted with meticulous attention to detail for stationary applications, this robust powerhouse seamlessly fulfills the rigorous demands of industrial environments, establishing new benchmarks in performance and reliability. Experience a new era of industrial excellence, where your operations ascend to unprecedented levels with the Sanzhi 250KW Compressor. Engineered to ensure exceptional energy efficiency, impressive cost savings, and unparalleled reliability, this product elevates your operational capabilities by incorporating advanced technology and the superiority of German engineering. Discover the future of industrial performance with a product that not only meets but surpasses the expectations of industrial excellence, setting a new standard in the sector.
In-Depth Analysis: Embark on a captivating exploration of this state-of-the-art system, focusing particularly on its Frontside, where you'll uncover a harmonious integration of intricately engineered components. Each facet is expertly crafted to deliver unmatched performance and steadfast reliability, showcasing the utmost in engineering mastery and excellence.
Revolutionary Working Principle: Venture into a groundbreaking realm of air compression innovation, where advanced breakthroughs merge with extraordinary efficiency. This remarkable system not only establishes new industry standards with its trailblazing commitment to sustainability but also offers superior performance, ushering in a revolutionary era for air compression technologies.
Leading the charge in air compression innovation, our system epitomizes the peak of efficiency by cleverly merging the advantages of single-stage and multi-stage designs. Although theoretically similar in energy usage, real-world challenges like transmission power losses, bearing friction, and cooling dynamics often raise energy consumption. Our multi-stage systems skillfully decrease the compression ratio at each stage, achieving remarkable efficiency by substantially reducing energy usage compared to single-stage models. This sophisticated strategy not only elevates system performance but also significantly curtails energy surpluses, establishing a groundbreaking benchmark in power efficiency.
Introducing the 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This exceptional innovation features an inventive dual rotary screw mechanism, with each stage housing an active screw that propels a passive one via a meticulously crafted external power transfer system. The initial stage hosts a low-pressure screw assembly optimized for peak performance, while the subsequent stage consists of a high-pressure screw assembly. Integral to this sophisticated process are sealing air films enveloping each screw, guiding compression through three vital phases: seamless air intake, dynamic pressurization that elevates efficiency to unprecedented levels, and the concluding exhaust phase, completing the cycle with extraordinary precision and excellence.
First Stage Compression: The inaugural phase of this two-stage screw air compressor exemplifies engineering prowess. A precisely constructed low-pressure screw assembly initiates the process, directing gas into the compression chamber through a finely tuned suction valve. As the rotor spins at impressive 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 progresses into the second stage, it enters a meticulously engineered, more compact screw space where both pressure and temperature are expertly augmented. This culminates when the exhaust valve opens, allowing high-pressure gases to exit the system effortlessly, concluding a sophisticated compression cycle marked by unmatched efficiency and elegance.
The intricate air compression journey commences as ambient air seamlessly traverses the air filter, mixing with a trace of lubricating oil within the compression chamber. This blend undergoes initial compression to intermediate pressure, followed by substantial cooling through contact with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, experiencing a second compression phase to attain the target final exhaust pressure. This meticulously choreographed cycle concludes as the compressed gas is gracefully released through the exhaust valve, marking the completion 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 from Sanzhi (Henan) Compressor Co., Ltd. are a testament to modern engineering prowess and precise craftsmanship. Harnessing the natural cooling power of water, these compressors deliver superior lubrication, thereby greatly extending the lifespan of components prone to friction. The sophisticated circulating cooling water system meticulously purifies internal components while expertly dissipating excess heat from both the cylinder and compressed gas. This groundbreaking system effectively reduces exhaust temperatures, curtails power consumption, and brings about notable savings in operational costs. To maintain these compressors in peak working condition, it's essential 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 an engineering marvel, crafted with exceptional precision to deliver consistent torque across an extensive weak magnetic range. With efficiency levels 20-30% superior to conventional motors, this motor outperforms even beyond rated frequencies, ensuring exceptional performance under all operational conditions.
2) Motor maintenance-free:This innovative permanent magnet motor features a bearing-free design, eliminating costs traditionally associated with motor bearing maintenance and replacement. This revolutionary design significantly reduces overall maintenance expenses, providing users with a hassle-free, seamless experience.
3) Integrated frequency converter: Fitted with China's leading frequency system, our compressor offers a comprehensive range of precise speed regulation. The system adapts in real-time to varying gas demands, ensuring peak energy efficiency and superior operational performance.
4) No transmission loss: With a direct shaft connection design, the compressor incorporates an embedded permanent magnet motor, creating a sleek and compact structure. This intelligent design eliminates the need for couplings and other transmission components, thus achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design is meticulously engineered 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: With an impressive frequency conversion range of 25% to 100% (as opposed to the standard 50% to 100%), our system offers over 30% energy savings compared to fixed-speed compressors and about 5% more savings than typical variable frequency compressors, providing substantial benefits for systems with fluctuating gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is an engineering masterpiece, seamlessly integrating first and second-stage compression rotors within a single casing. Each rotor is driven by separate gears to ensure optimal linear speed and unrivaled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method delivers extraordinary cooling effects, significantly lowering compressed air temperature. This results in nearly isothermal compression, reduced pressure loss between stages, and a lower compression ratio, elevating overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly lowers the compression ratio for each stage, effectively minimizing internal leakage between high and low-pressure ends, thereby enhancing volumetric efficiency.
10) Noise reduction:The innate reduced compression ratio in the two-stage system substantially diminishes noise levels, especially 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 easy maintenance and a user-friendly service experience.
12) Door Panels are Removable:1e22499e
1. Unmatched Pricing Advantage: Extraordinary Value
Step into a world of unparalleled market dominance with our exceptionally competitive ex-factory pricing. This distinctive advantage empowers our partners to effortlessly surpass their competitors, establishing a powerful and enduring presence in their industry sectors, creating a remarkable and lasting legacy.
2. Effortless Direct Transactions: Pinnacle of Efficiency
Experience unmatched efficiency through direct interactions, as our high-quality products are delivered straight from our state-of-the-art manufacturing facility. Our cost-effective solutions are precisely tailored to perfectly align with your specific needs, ensuring unmatched precision and complete satisfaction at every stage of the process.
3. Comprehensive OEM & ODM Solutions: Crafted for Excellence
Leverage our extensive manufacturing expertise and skilled management to deliver outstanding OEM/ODM services. These custom solutions are meticulously crafted to seamlessly integrate with your unique requirements and corporate goals, ensuring your vision is realized with the highest level of precision and excellence.
4. Personalized Customization Service: Tailored to Your Unique Needs
Specializing in non-standard export orders, we provide tailored customization across a range of parameters including voltage, power, and pressure. Contact us for bespoke solutions meticulously crafted to meet your exact specifications, guaranteeing precision perfectly suited to your needs.
5. Small Orders Welcomed: Experience Our Quality
Begin with a small trial order to experience the superior quality and reliable performance that our products consistently deliver. Your satisfaction is our ultimate goal, and we are steadfastly devoted to surpassing your expectations.
6. Rapid Delivery: Ensure Seamless Operations
Take advantage of our expedited delivery services, thoughtfully designed to ensure smooth and unbroken operations. With our premium products, your schedules are prioritized and consistently met with precision.
7. Full Authorization: Empower Your Business
Enhance your business potential with our comprehensive authorization certificates. Our esteemed distributors are thoroughly equipped and empowered to promote the prestigious SANZHI brand products with unrivaled confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines as an illustrious leader in the realm of air compression technology, boasting over a decade of supreme expertise and innovation. As trailblazers in the industry, we present a wide and pioneering product array, including advanced screw air compressors and revolutionary screw vacuum pumps. Our vast inventory not only encompasses traditional models but also expert designs like low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and durable two-stage compression systems. Masterfully crafted, our screw air compressors set new benchmarks in the industry, especially optimized for laser cutting and adaptable for single and double-tank mobility, alongside versatile electric and diesel mobile applications. Our ingenious screw vacuum pumps are engineered for precision and unwavering reliability, underscoring our status as leaders in the field.
Our exceptional manufacturing prowess is powered by cutting-edge assembly lines that deliver unparalleled efficiency and productivity. Backed by a dedicated team of over 50 skilled professionals, we continually refine our management systems, like ERP, significantly shortening lead times and ensuring the rapid dispatch of our outstanding products.
Our relentless pursuit of superior management is epitomized by our prestigious ISO9001 quality management system certification. Adhering to strict quality standards and rigorous controls, each machine is subjected to comprehensive inspections, including material checks, production assessments, and meticulous pre-delivery evaluations. This ensures that only machines of the utmost quality reach our esteemed customers.
Our dedication to exceptional customer service commences with expert pre-sales consultations, guiding clients to choose the ideal air equipment tailored to their unique requirements. Our unrivaled customization capabilities enable us to modify both appearance and configuration according to individual preferences and offer OEM services for specialized dealer needs. Our diligent sales and service team guarantees prompt and effective responses, delivering seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to deliver premium, trustworthy products while nurturing enduring customer relationships. By merging swift delivery, superior product quality, and competitive pricing, we position ourselves as your dependable partner for comprehensive compressed air solutions.
Located in the heart of Xinzheng City, Henan Province, China, our facility offers exceptional accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, merely 30 kilometers away, approximately an hour's drive. We warmly invite you to visit and tour our distinguished 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 experience.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they meet our stringent quality benchmarks.
2. Our assembly processes are executed with precision to uphold exceptional excellence.
3. Every machine undergoes a minimum of five continuous hours of rigorous testing pre-dispatch, ensuring optimal performance and dependability.
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 bespoke solution perfectly tailored 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 proudly present an exceptional array of voltage options, meticulously designed to cater to the diverse demands of global markets. Our versatile configurations, such as 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p, exemplify our unwavering dedication to bespoke solutions. Through exclusive customization services, our products seamlessly integrate into your operations, enhancing adaptability and efficiency. Experience the pinnacle of performance and reliability with Sanzhi's unparalleled commitment to excellence.
Q6. How long is the delivery time?
A: Renowned for our standard voltage specifications, we excel in rapid order processing, completing orders swiftly within an impressive 15 working days post-confirmation. For custom orders, our proactive sales team collaborates closely with you to craft a bespoke timeline, ensuring a seamless and timely delivery process. Our meticulous focus on detail guarantees your satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for simplicity and ease. Production begins with a 30% T/T deposit, followed by 40% T/T pre-shipment, and concludes with the final 30% T/T upon B/L copy receipt. We facilitate transactions in both USD and RMB, offering flexibility and convenience for our esteemed clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty covering the entire machine, further enhanced by an additional two-year warranty for the screw air compressor (excluding consumables). This extensive protection ensures unmatched peace of mind, safeguarding your investment with the highest assurance.
Q9. What about the maintenance?
A: To maintain optimal performance and extend service life, we recommend initial maintenance after the first 500 operational hours. Thereafter, regular servicing every 2000-3000 hours is advised, tailored to your specific conditions. This routine upkeep is vital for ensuring durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are engineered for robust performance in high-temperature environments. They operate smoothly within a -20°C to 45°C (-4°F to 113°F) range, ensuring consistent performance even under 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 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 designed with precision for extraordinary longevity, typically offering a remarkable lifespan exceeding 10 years. This guarantees reliable and enduring performance, consistently supporting your operations for the long term. Invest in our compressors for lasting reliability.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are dedicated to offering consistent support by providing vital spare parts for your machines. This ensures seamless operations and minimizes downtime, allowing you to maintain peak performance continuously.
Q14. How about your after-sales service?
A: We are thoroughly committed to delivering outstanding after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, alongside access to our expert engineers for training and installation support. Your satisfaction and success are paramount, ensuring you receive unparalleled support.
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