Step boldly into a realm of unmatched superiority with the distinguished 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: Delve into a mesmerizing journey through this state-of-the-art system, particularly its Frontside, where the exquisite synergy of precision-engineered components comes to life. Each part is masterfully crafted to deliver unmatched performance and steadfast dependability, epitomizing the zenith of engineering brilliance.
Revolutionary Working Principle: Enter an era of air compression revolution, where technological advancements converge with remarkable efficiency. This system not only shatters industry standards with a trailblazing pursuit of sustainability but also achieves peerless performance, ushering in a transformative epoch in air compression technology.
Leading the way in air compression innovation, our system epitomizes efficiency by artfully blending the merits of both single-stage and multi-stage models. While their theoretical energy use may seem similar, real-world factors like transmission power losses, bearing friction, and cooling intricacies often escalate energy consumption. Our multi-stage systems expertly lower the compression ratio at each stage, achieving remarkable efficiency by significantly decreasing energy usage compared to single-stage counterparts. This sophisticated approach not only elevates system performance but dramatically slashes energy waste, establishing a pioneering benchmark in power efficiency.
Introducing the revolutionary 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This exceptional innovation features a novel dual rotary screw mechanism, with each stage boasting an active screw that propels a passive one through an expertly crafted external power transfer system. The first stage hosts a low-pressure screw assembly designed for optimal performance, while the subsequent stage comprises a high-pressure screw assembly. Central to this intricate operation are sealing air films enveloping each screw, channeling compression through three crucial phases: seamless air intake, dynamic pressurization that elevates efficiency to new heights, and the final exhaust phase, concluding the cycle with unparalleled precision and excellence.
First Stage Compression: The initial stage of this two-stage screw air compressor is a testament to engineering mastery. A meticulously designed low-pressure screw assembly initiates the process, guiding gas into the compression chamber through a precisely calibrated suction valve. As the rotor spins at impressive velocities, the gas undergoes preliminary compression, laying the foundation for amplified compression in the next stage and paving the way for exceptional performance.
Second Stage Compression: As gas moves into the second stage, it enters a thoughtfully engineered, more compact screw space where both pressure and temperature are expertly elevated. This process reaches its apex when the exhaust valve opens, allowing high-pressure gases to exit the system with ease, completing an advanced compression cycle marked by unmatched efficiency and sophistication.
The intricate air compression journey commences as ambient air flows smoothly through the air filter, blending with a trace of lubricating oil inside the compression chamber. This mixture undergoes initial compression up to intermediate pressure, then experiences significant cooling through interaction with oil mist in the cooling channel. The cooled gas then proceeds to the second-stage rotor, where it undergoes a second compression phase to attain the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is gracefully released through the exhaust valve, marking the culmination of an extraordinarily 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 hallmark of modern engineering and precision with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors. These masterpieces harness water's superior cooling to enhance lubrication, prolonging the life of parts prone to friction. Our state-of-the-art circulating cooling system meticulously purifies internal components while efficiently dissipating excess heat from cylinders and compressed gas. This revolutionary system effectively reduces exhaust temperatures and power consumption, resulting in substantial operational cost savings. For optimal performance, regularly monitor and address scaling in the cooling system with professional expertise.
1) High efficiency of PM motor:Behold the marvel of our cutting-edge permanent magnet (PM) motor, engineered with unmatched precision to maintain constant torque across vast magnetic ranges. Rising 20-30% above conventional motor efficiency, it delivers exceptional performance at and beyond rated frequencies, ensuring top-tier operations at all times.
2) Motor maintenance-free:Embrace innovation with our bearing-free permanent magnet motor design, eliminating the cost and hassle of traditional motor bearing maintenance. This forward-thinking design ensures significantly reduced maintenance expenses, providing a seamless and worry-free user experience.
3) Integrated frequency converter: Our compressor features China's leading frequency system, offering precise speed regulation across a comprehensive range. It adapts in real-time to fluctuating gas demands, maximizing energy efficiency and operational excellence.
4) No transmission loss: Experience perfection with our direct shaft connection design. The embedded permanent magnet motor creates a sleek, compact structure, eliminating couplings and other transmission components for flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Expertly engineered, our advanced motor design mitigates impact on power grid equipment, safeguarding electrical systems from potential damage and significantly prolonging system lifespan.
6) Reduced energy consumption: Our cutting-edge system, featuring a remarkable 25% to 100% frequency conversion range, provides over 30% energy savings compared to fixed-speed compressors and 5% more than typical variable frequency compressors, offering exceptional advantages for systems with variable gas demands.
7) Unique two-stage compression air end:Witness the engineering marvel of our two-stage compression screw machine, where first and second-stage compression rotors are housed in a single casing. Driven by separate gears, they deliver optimal linear speed and unmatched efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers unrivaled cooling, drastically lowering compressed air temperatures. This achieves near-isothermal compression and reduces pressure loss, enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system minimizes each stage's compression ratio, significantly reducing internal leakage between high and low-pressure ends and boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio inherent in our two-stage system dramatically lowers noise levels, particularly during unloading, creating a quieter, more serene work environment.
11) Easy maintenance and service:Despite its sophisticated design, our two-stage compression system maintains structural similarities to single-stage compressors, ensuring effortless maintenance and a user-friendly service experience.
12) Door Panels are Removable:0cda7c03
1. Unparalleled Pricing Edge: Extraordinary Value Proposition
Enter the arena of market leadership with our phenomenally competitive ex-factory pricing. This exceptional advantage empowers our partners to not only shine brightly above their competitors but also to carve out a formidable presence in their sectors, leaving a profound and enduring legacy.
2. Effortless Direct Dealings: Pinnacle of Operational Efficiency
Experience unmatched operational excellence with direct engagements, as our superior products are dispatched directly from our advanced manufacturing facility. Our budget-friendly solutions are meticulously tailored to meet your specific demands, ensuring unrivaled precision and complete satisfaction throughout the entire process.
3. Comprehensive OEM & ODM Solutions: Engineered for Excellence
Leverage our extensive manufacturing expertise and proficient management to offer outstanding OEM/ODM services. These bespoke solutions are crafted to harmonize effortlessly with your unique goals and corporate objectives, ensuring that your vision is brought to life with the highest degree of precision and excellence.
4. Personalized Customization Service: Designed for Your Unique Needs
Specializing in non-standard export orders, we provide tailored customization across diverse parameters such as voltage, power, and pressure. Connect with us for personalized solutions meticulously crafted to align with your specific requirements, ensuring precision tailored to your exact needs.
5. Welcoming Small Orders: Discover Our Unmatched Quality
Start with a small trial order to experience the exceptional quality and reliable performance that our products guarantee. Your satisfaction is our ultimate goal, and we are steadfastly committed to surpassing your expectations.
6. Expedited Delivery: Guarantee Seamless Operations
Take advantage of our accelerated delivery services, meticulously designed to ensure smooth and uninterrupted operations. With our premium products, your timelines are prioritized and consistently met with precision.
7. Full Authorization: Empower Your Enterprise
Elevate your enterprise with our comprehensive authorization certificates. Our esteemed distributors are fully equipped and empowered to promote the prestigious SANZHI brand products with both assurance and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. is a beacon of innovation and excellence in the realm of air compression technology. With over a decade of unparalleled expertise, we've established ourselves as true pioneers in the industry. Our diverse and cutting-edge product range is a testament to our commitment to innovation, featuring advanced screw air compressors and state-of-the-art screw vacuum pumps. Our impressive portfolio not only encompasses conventional models but also includes sophisticated low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and robust two-stage compression systems. Expertly manufactured, our screw air compressors set new industry benchmarks, optimized for laser cutting applications and adaptable for both single and double-tank mobility, as well as versatile electric and diesel mobile uses. Our inventive screw vacuum pumps are meticulously engineered for precision and dependability, further reinforcing our position as industry leaders.
Our exceptional manufacturing capabilities are the driving force behind our advanced assembly lines, delivering unmatched efficiency and productivity. Supported by a devoted team of over 50 highly skilled professionals, we continuously enhance our management systems, such as ERP, significantly reducing lead times and ensuring the swift and reliable 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 meticulous material assessments, comprehensive production evaluations, and rigorous 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 the 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 that exceeds expectations.
At Sanzhi (Henan) Compressor Co., Ltd., our unwavering mission is to deliver premium, reliable products while fostering lasting customer relationships. By blending 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 state-of-the-art facility offers exceptional accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, a convenient 30 kilometers away, which is approximately an hour's drive. We warmly invite you to tour our distinguished facility and experience our commitment to excellence firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with a specialization in screw air compressors, boasting 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 stringent quality standards.
2. Our assembly procedures are executed with precision to maintain exceptional excellence and consistency.
3. Each machine undergoes a minimum of five continuous hours of rigorous testing before dispatch, ensuring optimal performance and unwavering 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, such as air tanks, filters, and air dryers.
Provide these details, and we will engineer a customized solution perfectly suited to your specific 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 unveil an unmatched array of voltage options, meticulously designed to satisfy the unique 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. We are steadfast in our commitment to providing tailor-made solutions through our exclusive customization services, ensuring our products seamlessly integrate into your operational landscape. This dedication translates into unparalleled flexibility and proficiency, propelling your business to the zenith of performance and dependability.
Q6. How long is the delivery time?
A: With our distinguished standard voltage specifications, we excel in expeditious order processing, adeptly completing orders within a remarkable 15 working days post-confirmation. For custom orders, our proactive sales team collaborates intimately with you to create a bespoke timeline that aligns perfectly with your requirements, ensuring a smooth and timely delivery process. Our scrupulous attention to detail guarantees your absolute satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for simplicity and ease. Production commences with a 30% T/T upfront payment, progresses with a 40% T/T before shipment, and concludes with the final 30% T/T payment upon receipt of the B/L copy. We accommodate transactions in both USD and RMB currencies, ensuring flexibility and convenience for our esteemed clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty covering the entire machine, supplemented by an additional two-year warranty specifically for the screw air compressor (excluding consumable parts). This extensive protection provides unparalleled peace of mind, safeguarding your investment with the utmost assurance.
Q9. What about the maintenance?
A: To ensure optimal performance and a prolonged service life, we recommend initiating maintenance after the first 500 hours of operation. Thereafter, regular servicing every 2000-3000 hours is advisable, tailored to your particular working conditions. This routine maintenance is vital for maintaining peak durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Indeed, our machines are engineered with robust resilience to thrive in high-temperature environments. They operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even under the most demanding conditions. Your operations will remain sturdy 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 welcome custom orders and are committed to transforming your unique ideas into reality with precision and excellence. Partner with us for unrivaled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously crafted for extraordinary longevity, typically delivering an impressive lifespan exceeding 10 years. This ensures dependable and enduring performance, consistently supporting your operations over the long haul. Invest in our compressors for lasting reliability.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are unwaveringly dedicated to providing continual support by supplying essential spare parts for your machines. This ensures seamless operations and minimizes downtime, allowing you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholly 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 ultimate priorities, ensuring you receive unparalleled support.
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