Unlock new horizons in operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a beacon of engineering sophistication. This remarkable apparatus, infused with state-of-the-art German engineering, is proudly brought to you by the renowned Sanzhi (Henan) Compressor Co., Ltd., a vanguard in China's illustrious compressor sector. Prepare to elevate your operational efficiency with this pioneering technological masterpiece. At the heart of this innovation lies our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, revolutionizing factory pricing paradigms. It seamlessly merges cost-effectiveness with superior performance, emerging as an indispensable strategic asset for your business ventures. Experience the pinnacle of engineering prowess with its cutting-edge Centrifugal Fans, meticulously designed to unlock extraordinary energy efficiencies and significantly reduce your operational costs. Engineered with precision for stable applications, this formidable machinery excels in fulfilling and exceeding the rigorous demands of industrial settings. It delivers unmatched performance, durability, and dependability that stand unrivaled. Step into the future of industrial compressors with a product that not only meets but exceeds expectations, enhancing productivity and sustainability. Accelerate your operations with Sanzhi's groundbreaking innovation, where avant-garde technology converges with unwavering reliability.
In-Depth Analysis: Immerse yourself in the captivating intricacies of our product's internal framework - Frontside. Discover the brilliant engineering excellence that forms the core of our trailblazing systems. Our meticulous design stands as a beacon of cutting-edge innovation and precision, setting new, unparalleled benchmarks in the industry and expanding the horizons of what is possible.
Revolutionary Working Principle: Welcome a transformative era in air compression technology with a groundbreaking principle poised to redefine industry standards. This revolutionary leap propels performance to unprecedented heights, reshaping our understanding of air compression and setting a new standard of excellence.
Explore the pinnacle of air compression innovation, where exceptional efficiency is achieved through the harmonious blend of single-stage and multi-stage systems. While ideal scenarios suggest an equal energy distribution, real-world applications demand strategic adaptations to counteract transmission losses, bearing friction, and cooling effects. By precisely calibrating the compression ratio at each stage, multi-stage systems deliver remarkable efficiency, significantly reducing power consumption compared to single-stage counterparts. This refined approach not only elevates overall system performance but also dramatically minimizes excess energy use, establishing a groundbreaking benchmark in power optimization.
Introducing the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel features a sophisticated dual rotary screw design, with each stage having an active screw driving a passive counterpart through a meticulously engineered external power transfer mechanism. The initial stage is governed by a low-pressure screw assembly optimized for peak efficiency, progressing to a high-pressure screw assembly in the subsequent phase. Central to this advanced mechanism are the sealing air films enveloping each screw, directing compression through three pivotal stages: seamless intake, dynamic pressurization that elevates efficiency to unprecedented levels, and a precise exhaust phase, completing the cycle with unmatched precision.
First Stage Compression: The initial phase of the two-stage screw air compressor exemplifies extraordinary engineering prowess. A precisely tuned low-pressure screw assembly leads the process, guiding gas into the compression chamber through an expertly crafted suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, setting the stage for enhanced compression in the subsequent phase, thus preparing the system for exceptional performance and efficiency.
Second Stage Compression: Advancing to the second stage, the gas is expertly guided into a uniquely compact screw space where pressure and temperature are strategically elevated to extraordinary levels. This phase culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, marking the end of an intricate compression cycle characterized by remarkable efficiency and sophistication.
The sophisticated air compression journey commences as ambient air flows effortlessly through the air filter, merging seamlessly with a trace of lubricating oil in the compression chamber. This blend undergoes initial compression to reach intermediate pressure, followed by substantial 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 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. |
Experience an unmatched level of precision and excellence with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors, truly representing the pinnacle of advanced engineering innovation. These cutting-edge machines seamlessly integrate state-of-the-art technology with everyday practicality, harnessing water's superior cooling properties to boost lubrication and considerably extend the durability of components most susceptible to wear and tear. By employing groundbreaking techniques, these compressors meticulously purify internal elements while efficiently dissipating heat from both cylinders and compressed air. The outcome is a remarkable reduction in exhaust temperatures and a significant decrease in power consumption, leading to exceptional savings in operational costs. To maintain optimal performance and unwavering reliability, vigilant monitoring of the cooling system and proactive management of potential scaling concerns are essential.
1) High efficiency of PM motor:Unveil the prowess of our innovative permanent magnet (PM) motor, meticulously engineered for exceptional performance with a consistent torque range and an expansive weak magnetic spectrum. This design achieves an extraordinary 20-30% elevation in efficiency compared to traditional motors. Remarkably, the PM motor retains its outstanding efficiency beyond rated frequencies, ensuring top-tier performance across all conditions.
2) Motor maintenance-free:Introducing our groundbreaking permanent magnet motor, featuring a bearing-free design that eliminates the conventional costs tied to motor bearing upkeep and replacement. This revolutionary design paradigm substantially reduces overall maintenance expenses.
3) Integrated frequency converter: Equipped with China's leading frequency system, our compressor empowers extensive speed regulation with unparalleled precision. This adaptive system seamlessly adjusts to real-time gas demands, ensuring optimal energy efficiency and superior operational performance.
4) No transmission loss: Our compressor's visionary direct shaft connection design, paired with an advanced permanent magnet motor, showcases a sleek and compact structure. This forward-thinking innovation eliminates the necessity for couplings and other transmission elements, guaranteeing impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our state-of-the-art motor design drastically reduces strain on power grid infrastructure, shielding electrical systems from potential damage and significantly prolonging the system's lifespan.
6) Reduced energy consumption: Our system boasts an exceptional frequency conversion range spanning 25% to 100%, surpassing the typical 50% to 100%, achieving over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency models. This results in substantial advantages for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our masterfully engineered two-stage compression screw machine seamlessly integrates primary and secondary compression rotors within a singular casing. Each rotor operates independently, driven by gears to ensure optimal linear speed and unrivaled compression efficiency.
8) Internal spray curtain cooling method: Our high-performance internal spray curtain cooling method delivers exceptional cooling results, dramatically reducing compressed air temperatures. This innovative approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and amplifying overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system adeptly reduces compression ratios for each stage, significantly curtailing internal leakage between high and low-pressure ends, and enhancing volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio notably decreases noise levels, especially during unloading operations, fostering a quieter and more peaceful working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures are aligned with those of single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:Constructed with sound-dampening metal panels and lined with high-density sound-absorbing materials, the unit complies with international noise standards. The removable door panels offer expansive 270-degree access, significantly simplifying maintenance tasks and enhancing service efficiency.
1. Unbeatable Pricing Edge
Immerse yourself in a world of unparalleled market dominance by embracing our extraordinarily competitive ex-factory pricing. This strategic edge empowers our valued clients to not only compete but consistently outshine their competitors, carving a path to remarkable success and esteemed industry leadership.
2. Seamless Direct Transactions
Experience unrivaled efficiency with products delivered straight from our state-of-the-art manufacturing facility. Our strategically developed, cost-efficient solutions are precisely customized to meet your exact specifications, ensuring impeccable accuracy and fulfillment at every stage of your partnership with us.
3. Extensive OEM & ODM Solutions
Leverage our extensive production capabilities and expert management to access top-tier OEM/ODM services. These expertly designed solutions are meticulously crafted to integrate seamlessly with your specific requirements and align flawlessly with your broader business objectives, ensuring your pathway to triumph.
4. Tailored Customization Service
We excel in customizing non-standard export orders, providing bespoke solutions across vital parameters such as voltage, power, and pressure. Connect with us to explore solutions meticulously designed to meet and exceed your unique needs and expectations.
5. Acceptance of Small Orders
Begin your journey with us by placing a small trial order to witness firsthand the exceptional quality and performance our products consistently deliver. Your complete satisfaction remains our unwavering promise and steadfast commitment.
6. Swift Delivery
Benefit from our swift delivery services, ensuring your operations proceed seamlessly without disruption. Our outstanding product offerings are perfectly complemented by prompt delivery, consistently meeting your timeline requirements.
7. Complete Authorization
Enhance your business prestige with our comprehensive set of authorization certificates. Our distinguished distributors are empowered to confidently represent and promote the esteemed SANZHI brand products, showcasing them with pride, assurance, and unwavering confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands as an unparalleled beacon of excellence in air compression, showcasing over a decade of unmatched expertise. Our forward-thinking approach and technological prowess have resulted in an impressive range of innovative products. These include our high-performance screw air compressors and groundbreaking screw vacuum pumps, both of which elevate the standards of the industry. Our diverse lineup boasts standard and low-pressure screw air compressors, cutting-edge models featuring permanent magnet frequency conversion technology, and durable two-stage compression units. Each screw air compressor is masterfully designed to exceed industry expectations, proving its mettle in varied applications such as laser cutting, adaptable single-tank and double-tank mobile uses, along with electric and diesel mobile options. Additionally, our groundbreaking screw vacuum pumps are the epitome of precision and reliability, solidifying our esteemed position as industry leaders.
Our cutting-edge assembly lines epitomize manufacturing excellence, marked by exceptional efficiency and production capacity. Driven by a cadre of over 50 seasoned professionals, our operations continually enhance our management systems with a robust focus on ERP, ensuring dramatically reduced lead times and punctual delivery of our premium products.
Our unwavering dedication to superior management practices is underscored by our prestigious ISO9001 quality management system certification. Through rigorous control protocols, we assure adherence to the highest quality standards, ensuring each machine undergoes a comprehensive inspection regimen. This includes meticulous material evaluations, exhaustive production analyses, and thorough pre-delivery checks, guaranteeing only the finest machinery reaches our esteemed clients.
Our relentless commitment to exceptional customer service commences with expert pre-sales consultations, assisting clients in selecting the ideal air equipment tailored to their unique needs. Our unrivaled customization capabilities enable us to modify both appearance and configuration according to individual preferences, offering OEM services to meet specific dealer requirements. Our dedicated sales and service team ensures swift and efficient responses, providing seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is unwavering: to deliver exceptional, dependable products while fostering enduring customer relationships. By seamlessly integrating rapid delivery, superior product quality, and competitive pricing, we establish ourselves as your trusted ally for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory provides clients with unparalleled convenience. We offer complimentary transportation from Xinzheng International Airport, a brief 30 kilometers away-just an hour's drive. We warmly invite you to experience our prestigious facilities firsthand.
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 excellence.
Q2. How do you control quality?
A: 1. We conduct comprehensive inspections on all raw materials to assure superior quality.
2. Our precise assembly procedures uphold exceptional standards of excellence.
3. Every machine is subjected to a stringent minimum of five consecutive hours of testing before dispatch to verify its peak performance and reliability.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (in CFM or m³/Min)
2. Desired working pressure (in PSI, Bar, or Mpa)
3. Voltage and frequency specifications for your country (in V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Provide these specifics, and we will engineer a bespoke solution perfectly aligned with 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 for the air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we take immense pride in offering a sweeping array of voltage options that are thoughtfully curated to cater to the distinct regional preferences of our cherished clientele. Immerse yourself in our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to providing tailored solutions, bolstered by our top-notch customization services, ensures that you receive a perfect match for your operational demands. This commitment guarantees extraordinary flexibility and premium performance, empowering your enterprise with unmatched reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing commits to finalization within an impressive 15 working days post-confirmation. For custom-tailored orders, our dynamic sales team partners with you to forge a timeline that precisely aligns with your unique specifications, ensuring impeccable and timely delivery. Our meticulous approach promises your utmost satisfaction and cultivates a relationship founded on trust, consistently exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for utmost simplicity and convenience. Production kicks off with an initial 30% T/T payment, advances with a 40% T/T pre-shipment, and culminates with the final 30% T/T upon receipt of the B/L copy. We accept payments in both USD and RMB, providing flexibility and ease for our esteemed clients, ensuring a seamless and efficient transaction process.
Q8. How about your warranty?
A: Our warranty package is meticulously crafted to offer supreme peace of mind and security. Revel in a comprehensive one-year warranty on the entire machine, complemented by an additional two-year warranty for the screw air compressor, with consumable parts excluded. This extensive protection ensures unrivaled security, safeguarding your investment with supreme assurance, allowing you to focus on your operations with complete confidence.
Q9. What about the maintenance?
A: To ensure optimal performance and extend operational longevity, we advise initiating maintenance after 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is recommended, customized to your specific working conditions. This routine maintenance is crucial for maintaining exceptional durability and reliability, ensuring your investment continues to deliver outstanding performance over the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are designed 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 reliable performance even in the most challenging conditions. Your operations will continue to thrive and remain productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, supported by our skilled design team. We warmly welcome custom orders and are committed to bringing your unique ideas to life, ensuring your vision materializes with precision and excellence. Partner with us for unparalleled customization and innovation as we endeavor to transform your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for extraordinary longevity, typically boasting an impressive lifespan exceeding 10 years. This ensures consistent and enduring performance, reliably supporting your operations. Invest in our compressors for long-lasting dependability and peace of mind, knowing your choice will provide sustained benefits and efficiency.
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 commitment ensures uninterrupted operations, enabling you to maintain peak performance while effectively minimizing downtime. Our dedication to your success is reflected in our comprehensive support and exceptional customer service.
Q14. How about your after-sales service?
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