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: Dive deep into the mesmerizing world of our cutting-edge system's Frontside, where you will uncover the seamless harmony of expertly crafted components. Each piece is meticulously designed with precision to deliver unmatched performance and steadfast reliability, truly representing the zenith of engineering prowess.
Revolutionary Working Principle: Enter a new realm of air compression innovation, where groundbreaking advancements converge with extraordinary efficiency. This trailblazing system not only sets new industry standards with its pioneering commitment to sustainability but also achieves incomparable performance, ushering in a transformative era in the air compression landscape.
Leading the charge in air compression innovation, our system epitomizes ultimate efficiency by ingeniously merging elements of both single-stage and multi-stage designs. Despite theoretical similarities in energy use, practical hurdles such as transmission losses, bearing friction, and cooling intricacies can amplify energy consumption. Our multi-stage systems strategically diminish the compression ratio at each stage, achieving remarkable efficiency by substantially reducing energy usage compared to single-stage models. This sophisticated approach not only enhances system performance but also significantly minimizes energy waste, establishing an unprecedented benchmark in power efficiency.
Presenting the revolutionary 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This incredible innovation features a groundbreaking dual rotary screw mechanism, where each stage includes a dynamic active screw driving a passive screw via a meticulously engineered external power transfer system. The first stage boasts a low-pressure screw assembly optimized for peak performance, while the subsequent stage includes a high-pressure screw assembly. At the heart of this advanced process are sealing air films encircling each screw, guiding compression through three critical phases: seamless air intake, dynamic pressurization elevating efficiency to unparalleled levels, and the final exhaust phase, completing the cycle with exceptional precision and distinction.
First Stage Compression: The inception phase of this two-stage screw air compressor exemplifies engineering mastery. A finely crafted low-pressure screw assembly initiates the process, funneling gas into the compression chamber through a precisely engineered suction valve. As the rotor spins with exceptional speed, the gas undergoes preliminary compression, laying the foundation for enhanced compression in the subsequent phase, paving the path for outstanding performance.
Second Stage Compression: As gas transitions into the second stage, it enters a meticulously crafted, more compact screw space where both pressure and temperature are expertly heightened. This process culminates as the exhaust valve opens, allowing high-pressure gases to exit the system seamlessly, completing a sophisticated compression cycle marked by unmatched efficiency and grace.
The intricate journey of air compression begins as ambient air effortlessly passes through the air filter, intermingling with a slight trace of lubricating oil within the compression chamber. This mixture undergoes initial compression to reach intermediate pressure, followed by substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then transitions to the second-stage rotor, undergoing a second compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle concludes with the elegant release of the compressed gas through the exhaust valve, marking the completion 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. perfectly embody the pinnacle of modern engineering brilliance and meticulous craftsmanship. Leveraging the unparalleled cooling capabilities of water, these compressors ensure outstanding lubrication and substantially extend the lifespan of critical components prone to friction. The sophisticated circulating cooling water system meticulously cleanses internal components while efficiently dissipating extra heat from both the cylinder and compressed gas. This state-of-the-art system adeptly reduces exhaust temperatures, decreases power usage, and results in significant cost savings on operations. To ensure these compressors consistently perform at their peak, it is essential to diligently monitor and expertly manage potential scaling challenges 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 unrivaled precision to deliver consistent torque over a broad weak magnetic range. Boasting efficiency levels 20-30% above conventional motors, this motor excels beyond rated frequencies, guaranteeing superior performance under all operating conditions.
2) Motor maintenance-free:This groundbreaking permanent magnet motor features a bearing-free architecture, removing traditional costs linked to motor bearing upkeep and replacement. This pioneering design drastically reduces overall maintenance expenses, providing users with a hassle-free and seamless experience.
3) Integrated frequency converter: Outfitted with China's leading frequency system, our compressor offers a vast array of precise speed adjustments. The system dynamically adapts in real-time to fluctuating gas demands, ensuring maximum energy efficiency and superior operational performance.
4) No transmission loss: The compressor's direct shaft connection design, incorporating an embedded permanent magnet motor, results in a sleek and compact framework. This intelligent design eliminates the need for couplings and other transmission elements, 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 shielding 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% (compared to the standard 50% to 100%), our system produces over 30% energy savings compared to fixed-speed compressors and about 5% more savings than typical variable frequency compressors, offering significant benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is an engineering masterpiece, uniting first and second-stage compression rotors within a single casing. Each rotor is driven by distinct gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling approach delivers extraordinary cooling effects, significantly lowering compressed air temperature. This achieves near-isothermal compression, reduces pressure loss between stages, and lowers the compression ratio, enhancing 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 boosting volumetric efficiency.
10) Noise reduction:The naturally reduced compression ratio in the two-stage system significantly cuts down 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 bear similarities to single-stage compressors, ensuring effortless maintenance and a user-friendly service experience.
12) Door Panels are Removable:0f48839c
1. Unmatched Pricing Advantage: Unbeatable Value
Step into the arena of market leadership with our exceptionally competitive ex-factory pricing. This one-of-a-kind advantage empowers our partners to effortlessly eclipse their competition and carve out a prestigious position within their industry, creating a significant and enduring impact.
2. Effortless Direct Transactions: Peak of Efficiency
Embrace a new level of efficiency and direct interaction with our premier products, delivered straight from our advanced manufacturing center. Our economically advantageous solutions are meticulously tailored to your specific needs, ensuring flawless precision and complete contentment throughout the entire process.
3. Comprehensive OEM & ODM Solutions: Designed for Excellence
Leverage our extensive manufacturing expertise and skilled management to avail yourself of outstanding OEM/ODM services. These tailor-made solutions are crafted to seamlessly align with your unique requirements and business goals, ensuring your vision is realized with absolute precision and quality.
4. Personalized Customization Service: Precisely Tailored to You
Specializing in non-standard export orders, we offer custom solutions across various parameters such as voltage, power, and pressure. Connect with us for meticulously tailored customization that perfectly aligns with your exact specifications, ensuring your distinct needs are met with precision.
5. Welcoming Small Orders: Discover Our Excellence
Begin with a small trial order to experience the exceptional quality and reliable performance that our products consistently deliver. Your satisfaction is our ultimate goal, and we are steadfastly committed to surpassing your expectations.
6. Rapid Delivery: Maintain Smooth Operations
Take advantage of our expedited delivery services, carefully designed to ensure uninterrupted and seamless operations. With our cutting-edge products, your schedules are prioritized and scrupulously maintained with accuracy.
7. Full Authorization: Empower Your Enterprise
Elevate your enterprise with our comprehensive authorization certificates. Our esteemed distributors are fully empowered to promote the distinguished SANZHI brand products with both assurance and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of innovation and excellence in air compression technology, distinguished by over a decade of unparalleled expertise. As true pioneers, we offer a diverse and cutting-edge product range, featuring advanced screw air compressors and innovative screw vacuum pumps. Our impressive portfolio not only covers conventional models but also includes sophisticated low-pressure screw air compressors, state-of-the-art permanent magnet frequency conversion units, and robust two-stage compression systems. Expertly manufactured, our screw air compressors redefine industry standards, optimized for laser cutting, and adaptable for single and double-tank mobility, as well as versatile electric and diesel mobile applications. Our inventive screw vacuum pumps are designed for precision and dependability, reinforcing our position as industry leaders.
Our exceptional manufacturing capabilities are driven by advanced assembly lines, delivering unmatched efficiency and productivity. Supported by a devoted team of over 50 skilled professionals, we continuously enhance our management systems, like ERP, significantly reducing lead times and ensuring the swift delivery of our outstanding products.
Our unwavering commitment to superior management is exemplified by our esteemed ISO9001 quality management system certification. By adhering to stringent quality standards and rigorous control measures, each machine undergoes thorough inspections, including material assessments, production evaluations, and meticulous pre-delivery checks. This guarantees that only machines of the highest quality reach our valued customers.
Our dedication to exceptional customer service begins with expert pre-sales consultations, guiding clients to select the perfect air equipment tailored to their specific needs. Our unparalleled customization capabilities allow us to adjust both appearance and configuration to individual preferences and offer OEM services for specialized dealer requirements. Our committed sales and service team ensures prompt and effective responses, providing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to provide premium, reliable products while fostering lasting 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.
Nestled in 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 welcome you to tour our distinguished facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced 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 delight in offering an exceptional array of voltage options, meticulously engineered to cater to the distinctive demands of diverse global markets. Our adaptable configurations include: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast dedication to delivering bespoke solutions through our exclusive customization services guarantees seamless integration of our products into your operational framework. This commitment translates into unparalleled adaptability and efficiency, propelling your business to the zenith of performance and reliability.
Q6. How long is the delivery time?
A: Renowned for our standard voltage specifications, we excel in expedited order processing, skillfully completing orders within a remarkable 15 working days after confirmation. For custom orders, our proactive sales team collaborates closely with you to craft a personalized timeline that aligns with your requirements, ensuring a smooth and timely delivery process. Our scrupulous attention to detail guarantees your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are designed with meticulous attention to simplicity and convenience. Production commences with a 30% T/T upfront payment, continues with a 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, providing flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We offer an all-encompassing one-year warranty that includes the entire machine, augmented by an additional two-year warranty focused on the screw air compressor (excluding consumable parts). This extensive protection offers unparalleled peace of mind, ensuring your investment is secured with the utmost assurance.
Q9. What about the maintenance?
A: To uphold peak performance and extend service life, we recommend commencing maintenance after the initial 500 hours of operation. Thereafter, regular servicing every 2000-3000 hours is advised, customized to your specific working conditions. This routine maintenance is vital for maintaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are designed with robust endurance to thrive in high-temperature environments. They function flawlessly 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 are thrilled to offer both OEM and ODM services, supported by our expert design team. We warmly invite custom orders and are devoted to bringing your unique ideas to life with precision and excellence. Collaborate with us for unrivaled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously crafted for remarkable longevity, typically providing an impressive lifespan exceeding 10 years. This ensures reliable and enduring performance, continuously 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: Absolutely, we are unwaveringly committed to delivering ongoing support by supplying essential spare parts for your machines. This ensures smooth operations and minimizes downtime, enabling you to maintain optimal performance consistently.
Q14. How about your after-sales service?
A: We are wholeheartedly committed to providing outstanding after-sales service. Our comprehensive offerings encompass thorough online guides for installation and commissioning, along with direct 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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