Step boldly into a realm of unmatched superiority with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a shining testament to German engineering brilliance. Proudly presented by Sanzhi (Henan) Compressor Co., Ltd., a vanguard in China's compressor industry, this remarkable innovation is engineered 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 marvel, enhanced with cutting-edge Centrifugal Fans, guarantees exceptional 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 pinnacle in the sector.
In-Depth Analysis: Embark on an enthralling journey into the heart of this state-of-the-art system, especially its Frontside, where the flawless synergy of precisely engineered components awaits discovery. Each component is masterfully designed to deliver unmatched performance and steadfast reliability, truly representing the zenith of engineering brilliance.
Revolutionary Working Principle: Enter a new era of air compression marvel, where pioneering innovations converge with extraordinary efficiency. This system not only sets new industry standards with its trailblazing drive towards sustainability but also delivers unmatched performance, heralding a transformative epoch in the realm of air compression.
At the cutting edge of air compression innovation, our system exemplifies the apex of efficiency through the ingenious amalgamation of single-stage and multi-stage design benefits. Although they may theoretically use similar energy, real-world challenges such as transmission power losses, bearing friction, and cooling dynamics tend to increase energy consumption. Our multi-stage systems deftly minimize the compression ratio at each stage, achieving exceptional efficiency by significantly reducing energy usage compared to single-stage models. This sophisticated strategy not only elevates system performance but also drastically minimizes energy wastage, establishing an unprecedented benchmark in power efficiency.
Introducing the revolutionary 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This remarkable innovation features an inventive dual rotary screw mechanism, with each stage comprising an active screw propelling a passive one through a meticulously designed external power transfer system. The first stage boasts a low-pressure screw assembly optimized for peak performance, while the following stage includes a high-pressure screw assembly. Central to this intricate process are sealing air films enveloping each screw, channeling 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 exceptional precision and mastery.
First Stage Compression: The initial phase of this two-stage screw air compressor exemplifies engineering excellence. A meticulously crafted low-pressure screw assembly initiates the process, guiding gas into the compression chamber through a precisely adjusted suction valve. As the rotor spins at extraordinary speeds, the gas undergoes preliminary compression, laying the groundwork for enhanced compression in the upcoming phase, setting the stage for remarkable performance.
Second Stage Compression: As gas transitions to the second stage, it enters a meticulously engineered, more compact screw space where both pressure and temperature are expertly elevated. This process culminates when the exhaust valve opens, allowing high-pressure gases to exit the system effortlessly, completing a sophisticated compression cycle characterized by unparalleled efficiency and elegance.
The intricate air compression journey begins as ambient air gracefully passes through the air filter, blending with a trace of lubricating oil within the compression chamber. This mixture undergoes initial compression up to intermediate pressure, then experiences substantial cooling through contact with oil mist within the cooling channel. The cooled gas subsequently moves to the second-stage rotor, undergoing a secondary compression phase to achieve the target final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is elegantly released 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 state-of-the-art water-cooled compressors by Sanzhi (Henan) Compressor Co., Ltd. represent the pinnacle of modern engineering mastery, combining precision craftsmanship with cutting-edge technology. By leveraging the superior thermal properties of water, these compressors deliver outstanding lubrication, significantly extending the lifespan of parts prone to wear. Our advanced circulating cooling water system not only meticulously purifies internal components but also expertly dissipates heat from the cylinder and compressed air. This trailblazing system effectively minimizes exhaust temperatures, reduces power demands, and achieves impressive operational cost savings. For optimal performance, it is essential to expertly monitor and manage potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our groundbreaking permanent magnet (PM) motor is an engineering marvel, designed with unmatched precision to provide constant torque across an extensive weak magnetic range. With efficiency levels soaring 20-30% above conventional motors, this powerhouse delivers exceptional performance, surpassing expectations even at frequencies beyond the rated capacity.
2) Motor maintenance-free:This cutting-edge permanent magnet motor features an innovative bearing-free design, eliminating traditional maintenance and replacement costs associated with motor bearings. This groundbreaking design significantly reduces maintenance expenses, providing users with a seamless and hassle-free experience.
3) Integrated frequency converter: Outfitted with China's premier frequency system, our compressor offers an expansive range of precise speed control. The system dynamically adapts in real-time to fluctuating gas demands, ensuring peak energy efficiency and outstanding operational performance.
4) No transmission loss: Boasting a direct shaft connection design, the compressor features an embedded permanent magnet motor, resulting in a sleek, compact design. This smart configuration eliminates the necessity for couplings and other transmission components, ensuring unparalleled 100% transmission efficiency.
5) Variable frequency start and soft start:Our sophisticated motor design is meticulously crafted to minimize the impact on power grid equipment, safeguarding electrical systems from potential harm and significantly extending the system's lifespan.
6) Reduced energy consumption: Featuring an impressive frequency conversion range of 25% to 100% (compared to the standard 50% to 100%), our system delivers over 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than typical variable frequency compressors, offering substantial benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine stands as a testament to engineering excellence, incorporating first and second-stage compression rotors within a unified casing. Each rotor is driven by individual gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method provides exceptional thermal management, significantly reducing compressed air temperatures. This leads to near-isothermal compression, minimized pressure loss between stages, and a decreased compression ratio, enhancing overall compression efficiency.
9) Reduced internal leakage:The innovative two-stage compression system substantially reduces the compression ratio for each stage, effectively minimizing internal leakage between high and low-pressure ends, thereby increasing volumetric efficiency.
10) Noise reduction:The inherently reduced compression ratio in the two-stage system significantly lowers noise levels, especially during unloading operations, ensuring a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite its sophisticated design, the two-stage compression system maintains component similarities with single-stage compressors, ensuring easy maintenance and a user-friendly service experience.
12) Door Panels are Removable:a30187ba
1. Unmatched Pricing Advantage: Extraordinary Value
Step into the world of market supremacy with our remarkably competitive ex-factory pricing. This exceptional advantage empowers our partners to effortlessly surpass their competitors, establishing a commanding presence in their industry, and carving a significant, enduring legacy.
2. Effortless Direct Transactions: Pinnacle of Efficiency
Experience unrivaled efficiency through direct engagements, as our premium products are delivered straight from our advanced manufacturing facilities. Our economical solutions are meticulously tailored to your precise specifications, ensuring unmatched accuracy and complete satisfaction at every stage.
3. Comprehensive OEM & ODM Solutions: Crafted for Excellence
Leverage our extensive manufacturing expertise and adept management to deliver superior OEM/ODM services. These bespoke solutions are designed to seamlessly integrate with your unique needs and corporate goals, ensuring your vision is realized with the highest precision and excellence.
4. Personalized Customization Service: Tailored to Your Unique Needs
Specializing in non-standard export orders, we provide bespoke customization across diverse parameters like voltage, power, and pressure. Contact us for personalized solutions meticulously crafted to fulfill your specific requirements, ensuring precision aligned with your needs.
5. Small Orders Welcomed: Experience Our Quality
Commence with a small trial order to witness the exceptional quality and reliable performance our products guarantee. Your satisfaction is our ultimate goal, and we are steadfastly committed to not just meeting but exceeding your expectations.
6. Rapid Delivery: Ensure Seamless Operations
Take advantage of our expedited delivery services, meticulously designed to ensure smooth and uninterrupted operations. Our top-tier products prioritize your schedules and consistently deliver with impeccable precision.
7. Full Authorization: Empower Your Business
Enhance your business with comprehensive authorization certificates. Our esteemed distributors are fully equipped and empowered to promote the prestigious SANZHI brand products with absolute confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. shines brightly as a leader in air compression technology, boasting over a decade of unmatched expertise. As trailblazers in the field, we present a diverse, cutting-edge product lineup that includes advanced screw air compressors and pioneering screw vacuum pumps. Our product suite extends beyond ordinary models to feature sophisticated low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and robust two-stage compression systems. Our expertly engineered screw air compressors set new benchmarks in the industry, optimized for laser cutting and designed for both single and double-tank mobility, as well as adaptable for electric and diesel mobile applications. Our innovative screw vacuum pumps are crafted for precision and reliability, underscoring our leadership in the industry.
Our remarkable manufacturing prowess is powered by advanced assembly lines, achieving unmatched efficiency and productivity. With the support of a dedicated team of over 50 skilled professionals, we continually refine our management systems, such as ERP, significantly reducing lead times and ensuring the expeditious delivery of our superior products.
Our steadfast commitment to superior management is epitomized by our prestigious ISO9001 quality management system certification. By strictly adhering to rigorous quality standards and meticulous control measures, every machine undergoes comprehensive inspections including material assessments, production evaluations, and thorough pre-delivery checks. This ensures that only machines of the highest caliber reach our esteemed customers.
Our devotion to exceptional customer service starts with expert pre-sales consultations, assisting clients in selecting the ideal air equipment tailored to their unique requirements. Our unrivaled customization capabilities allow us to adapt both appearance and configuration to individual preferences and offer OEM services for specialized dealer needs. Our dedicated sales and service team guarantees prompt and effective responses, ensuring seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd., our unwavering mission is to deliver premium, reliable products while nurturing enduring customer relationships. By merging rapid delivery with superior product quality and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Nestled in Xinzheng City, Henan Province, China, our facility provides exceptional accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, only 30 kilometers away, approximately an hour's drive. We warmly invite you to tour our esteemed facility.
FAQ
Q1. Are you a trading company or a manufacturer?
A: We are a seasoned manufacturer with over a decade of verified expertise, specializing in screw air compressors.
Q2. How do you ensure quality control?
A: 1. We perform thorough inspections of all raw materials to verify they meet our stringent quality standards.
2. Our assembly procedures are conducted with precision to uphold exceptional excellence.
3. Every machine undergoes at least five continuous hours of rigorous testing before dispatch, guaranteeing 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 craft 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 thrilled to unveil our extensive array of voltage options, meticulously engineered to cater to the distinct demands of global markets. Our adaptable configurations feature: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering pledge to deliver bespoke solutions through our exclusive customization services ensures that our products effortlessly integrate into your operational ecosystem. This dedication leads to 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 adherence to standard voltage specifications, we are adept at expediting order processing, seamlessly finalizing orders within an impressive 15 working days post-confirmation. For bespoke orders, our proactive sales team collaborates with you to craft a customized timeline tailored to fulfill your requirements, ensuring a seamless and timely delivery process. Our scrupulous attention to detail guarantees your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are artfully crafted to ensure simplicity and convenience. The production process commences with a 30% T/T upfront payment, advances with a 40% T/T prior to shipment, and culminates with the final 30% T/T payment upon receipt of the B/L copy. We offer the flexibility of transactions in both USD and RMB currencies, accommodating the preferences of our esteemed clients.
Q8. How about your warranty?
A: Our warranty offerings are comprehensive, encompassing a one-year warranty that covers the entire machine, complemented by an additional two-year warranty specifically for the screw air compressor (excluding consumable parts). This extensive protection delivers unmatched peace of mind, ensuring your investment is safeguarded with the utmost assurance.
Q9. What about the maintenance?
A: To maintain peak performance and extend service life, we recommend initiating maintenance after the first 500 hours of operation. Thereafter, routine servicing every 2000-3000 hours is advised, customized to your distinct working conditions. This regular maintenance is vital in preserving optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are designed with robust resilience, enabling them to thrive in high-temperature environments. They function seamlessly within a broad temperature range of -20°C to 45°C (-4°F to 113°F), assuring ongoing performance even in the most demanding conditions. Your operations will steadfastly remain efficient and robust.
Q11. Do you offer OEM service?
A: Indeed, we take great pleasure in offering both OEM and ODM services, supported by our adept design team. We warmly embrace custom orders and are dedicated to realizing your unique visions with precision and excellence. Partner with us for unparalleled customization experiences.
Q12. How long could your air compressor be used?
A: Our air compressors are expertly crafted for exceptional longevity, often achieving a remarkable lifespan exceeding 10 years. This ensures dependable and enduring performance, consistently bolstering your operations over the long term. Embrace our compressors for lasting reliability and support.
Q13. Will you provide some spare parts for the machines?
A: Absolutely, we are deeply committed to delivering ongoing support by providing essential spare parts for your machines. This commitment ensures seamless operations and significantly reduces downtime, enabling you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholly devoted to providing outstanding after-sales service. Our extensive offerings encompass comprehensive online guides for installation and commissioning, alongside access to our expert engineers for training and installation assistance. Your satisfaction and success are our paramount priorities, guaranteeing you receive unparalleled support.
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