Unlock the potential of unmatched operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor. This masterpiece of engineering sophistication, infused with the brilliance of state-of-the-art German engineering, is proudly presented by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a leader in China's prestigious compressor industry. Prepare to transform your operational efficiency with this groundbreaking technological marvel. At the heart of this innovation is our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, which is redefining factory pricing paradigms. It seamlessly blends cost-effectiveness with superior performance, establishing itself as an essential strategic asset for your business ventures. Experience the apex of engineering prowess with its cutting-edge Centrifugal Fans, thoughtfully engineered to realize extraordinary energy efficiencies and to dramatically reduce your operational expenses. With precise engineering tailored for stable applications, this formidable machine excels at meeting and exceeding the strenuous demands of various industrial environments. It offers unparalleled performance, durability, and reliability that remain unmatched. Step confidently into the future of industrial compressors with a product that not only meets but surpasses expectations, enhancing productivity and sustainability. Propel your operations into a new dimension with Sanzhi's revolutionary innovation, where avant-garde technology seamlessly merges with steadfast reliability.
In-Depth Analysis: Embark on a journey into the intricate and fascinating complexities of the Advanced Industrial Fan Two-Stage Water Cooling Screw Air Compressor System's internal framework - Frontside. Discover the brilliant engineering mastery that lies at the core of our pioneering systems. The meticulous design represents the pinnacle of cutting-edge innovation and precision engineering, setting new, unparalleled benchmarks in the industry and expanding the horizons of what's possible.
Revolutionary Working Principle: Welcome a new era in air compression technology with an innovative principle that promises to revolutionize industry standards. This groundbreaking advancement elevates performance to unprecedented heights, transforming our understanding of air compression and setting a new benchmark for excellence in the field.
Explore the pinnacle of air compression innovation where exceptional efficiency is achieved through the harmonious integration of single-stage and multi-stage systems. While optimal conditions suggest energy distribution equilibrium, real-world applications demand strategic adjustments to counteract transmission losses, bearing friction, and cooling effects. By precisely calibrating the compression ratio at each stage, multi-stage systems achieve remarkable efficiency, significantly reducing power consumption compared to their single-stage counterparts. This refined methodology not only elevates overall system performance but also notably minimizes excess energy use, establishing a groundbreaking benchmark in power optimization.
Introducing the groundbreaking 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 configuration, where each stage showcases an active screw that propels a passive counterpart through a meticulously engineered external power transfer mechanism. The initial stage, governed by a low-pressure screw assembly, is optimized for peak efficiency, followed by a subsequent high-pressure screw assembly. At the heart of this advanced mechanism are the sealing air films enveloping each screw, orchestrating compression through three pivotal stages: seamless intake, dynamic pressurization that achieves unprecedented efficiency levels, and a precise exhaust phase that completes the cycle with unmatched accuracy.
First Stage Compression: The initial phase of the two-stage screw air compressor exemplifies extraordinary engineering. A precisely tuned low-pressure screw assembly spearheads the process, channeling gas into the compression chamber through an expertly crafted suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, laying the groundwork for enhanced compression in the subsequent phase, thereby priming the system for exceptional performance and efficiency.
Second Stage Compression: Advancing to the second stage, the gas is meticulously directed into a uniquely compact screw space, where pressure and temperature are elevated to extraordinary levels. This phase culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, marking the culmination of an intricate compression cycle characterized by remarkable efficiency and sophistication.
The refined air compression journey begins as ambient air effortlessly flows through the air filter, seamlessly merging with a trace of lubricating oil within the compression chamber. This blend undergoes initial compression to reach intermediate pressure, followed by significant cooling through interaction with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, experiencing 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 the unmatched precision and excellence that Sanzhi (Henan) Compressor Co., Ltd. brings to the forefront with our water-cooled compressors. These are not just machines, they are the epitome of advanced engineering innovation. By marrying cutting-edge technology with practical application, these compressors leverage water's superior cooling abilities to enhance lubrication and significantly extend the lifespan of components most vulnerable to wear. Utilizing pioneering techniques, our compressors meticulously purify internal elements and efficiently manage heat dissipation from cylinders and compressed air. The result is a notable reduction in exhaust temperatures and a marked decrease in power consumption, translating to exceptional operational cost savings. To ensure sustained top performance and unwavering reliability, regular monitoring of the cooling system and proactive management of potential scaling challenges are imperative.
1) High efficiency of PM motor:Discover the extraordinary capabilities of our innovative permanent magnet (PM) motor, crafted with precision for exceptional performance. It offers a consistent torque range and an expansive weak magnetic spectrum, achieving an impressive 20-30% increase in efficiency over traditional motors. Notably, the PM motor maintains its superior efficiency beyond rated frequencies, ensuring peak performance under all conditions.
2) Motor maintenance-free:Introducing our state-of-the-art permanent magnet motor, which features a bearing-free design that eradicates the usual costs associated with motor bearing maintenance and replacement. This revolutionary design approach substantially cuts down overall maintenance expenses.
3) Integrated frequency converter: Our compressor is outfitted with China's leading frequency system, enabling extensive speed regulation with unmatched precision. This adaptive system adjusts seamlessly to real-time gas demands, ensuring peak energy efficiency and exceptional operational performance.
4) No transmission loss: Witness the ingenuity of our compressor's direct shaft connection design, coupled with a cutting-edge permanent magnet motor. This innovative approach eliminates the need for couplings and other transmission components, ensuring flawless 100% transmission efficiency and a compact, streamlined structure.
5) Variable frequency start and soft start:Our advanced motor design significantly alleviates stress on power grid infrastructure, protecting electrical systems from potential harm and markedly extending their lifespan.
6) Reduced energy consumption: Our system showcases a remarkable frequency conversion range of 25% to 100%, well beyond the standard 50% to 100%. This achieves over 30% energy savings compared to fixed-speed compressors and about 5% more than typical variable frequency models, offering substantial benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly designed two-stage compression screw machine integrates primary and secondary compression rotors in a single casing. Each rotor operates independently, propelled by gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers outstanding cooling effects, significantly lowering compressed air temperatures. This forward-thinking approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and boosting overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system skillfully minimizes compression ratios for each stage, significantly reducing internal leakage between high and low-pressure ends, thus enhancing volumetric efficiency.
10) Noise reduction:Our two-stage system's decreased compression ratio substantially lowers noise levels, particularly during unloading procedures, creating a quieter and more serene working environment.
11) Easy maintenance and service:Despite its advanced two-stage compression design, the components and structures are on par with those of single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
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. Unparalleled Pricing Advantage
Enter a realm of market preeminence with our irresistibly competitive ex-factory pricing. This strategic leverage empowers our valued clients to not only compete but consistently outshine their rivals, paving the path to extraordinary success and industry domination.
2. Effortless Direct Transactions
Experience unmatched efficiency with goods delivered directly from our state-of-the-art manufacturing hub. Our cost-effective, strategically designed solutions are tailored to your precise specifications, ensuring flawless accuracy and satisfaction at every stage of your collaboration with us.
3. Comprehensive OEM & ODM Solutions
Leverage our wide-ranging production capabilities and expert management team for top-tier OEM/ODM services. These meticulously crafted solutions are designed to integrate seamlessly with your needs and align perfectly with your business goals, securing your path to success.
4. Customization Service Tailored for You
We excel in tailoring non-standard export orders by offering bespoke solutions across essential parameters such as voltage, power, and pressure. Engage with us to discover solutions crafted to address and fulfill your unique demands.
5. Acceptance of Smaller Orders
Start your journey with us by placing a small trial order to experience firsthand the exceptional quality and performance our products consistently deliver. Your complete satisfaction is our unwavering promise and steadfast commitment.
6. Expedited Delivery Service
Benefit from our swift delivery services, ensuring smooth and uninterrupted operations. Our exceptional product offerings are perfectly complemented by timely delivery, consistently in sync with your schedule.
7. Comprehensive Authorization
Enhance your business prestige with our comprehensive suite of authorization certificates. Our distinguished distributors are empowered to represent the SANZHI brand products with confidence, promoting them with pride, assurance, and unwavering certainty.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines as a beacon of excellence in the air compression industry, boasting over a decade of unmatched expertise. Our innovative journey in technological advancements has birthed an extraordinary range of state-of-the-art products. These encompass high-performance screw air compressors and groundbreaking screw vacuum pumps, setting new benchmarks in the industry. Our diverse product portfolio includes standard and low-pressure screw air compressors, cutting-edge models featuring permanent magnet frequency conversion technology, and durable two-stage compression units. Every screw air compressor is meticulously crafted to not just meet but exceed industry expectations, thriving in various applications such as laser cutting, versatile single-tank, and double-tank mobile solutions, as well as electric and diesel mobile configurations. Additionally, our pioneering screw vacuum pumps redefine precision and reliability, solidifying our esteemed position as industry front-runners.
Our state-of-the-art assembly lines epitomize manufacturing excellence, marked by extraordinary efficiency and production capacity. Our operations are fueled by a team of over 50 seasoned professionals who continuously refine our management systems, with a strong emphasis on ERP. This ensures significantly reduced lead times and guarantees the prompt delivery of our superior products.
Our steadfast commitment to superior management practices is underscored by our esteemed ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, ensuring each machine undergoes a comprehensive inspection regime. This encompasses material evaluations, production analyses, and thorough pre-delivery inspections, ensuring only the finest machinery reaches our valued clients.
Our relentless pursuit of exceptional customer service begins with expert pre-sales consultations, guiding clients in selecting the ideal air equipment tailored to their unique needs. Our unparalleled customization capabilities empower us to adjust both appearance and configuration according to personal preferences, offering OEM services to cater to specific dealer requirements. Our committed sales and service team ensures rapid and effective responses, promising seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is clear and unwavering: to deliver exceptional, dependable products while fostering enduring customer relationships. By seamlessly blending rapid delivery, superior product quality, and competitive pricing, we position ourselves as your trusted partner for all-encompassing compressed air solutions.
Strategically nestled in Xinzheng City, Henan Province, China, our factory offers unparalleled convenience to our clients. We provide complimentary transportation from Xinzheng International Airport, a mere 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 ensure superior quality.
2. Our precise assembly procedures maintain exceptional standards of excellence.
3. Each machine undergoes a rigorous minimum of five consecutive hours of testing prior to 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 proudly offer a vast selection of voltage configurations, tailored to align with the distinct preferences of our esteemed clientele across various regions. Explore our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. We are dedicated to providing bespoke solutions with exceptional customization services, ensuring a perfect match for your operational demands. This unwavering commitment guarantees remarkable adaptability and performance excellence, empowering your enterprise with steadfast reliability and unmatched efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our efficient order processing ensures completion within an astonishing 15 working days after order confirmation. For customized requests, our dynamic sales team works closely with you to create a timeline precisely tailored to your distinct needs, guaranteeing impeccable and punctual delivery. Our diligent approach not only ensures your satisfaction but also fosters a partnership rooted in trust, consistently exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are intuitively crafted for straightforwardness and convenience. Production initiates with a 30% T/T upfront payment, followed by a 40% T/T before shipment, concluding with a final 30% T/T upon receiving the B/L copy. We accept payments in USD and RMB, providing flexibility and simplicity for our valued clients, ensuring a seamless and efficient transaction process.
Q8. How about your warranty?
A: Our warranty offerings are expertly crafted to provide unparalleled security and reassurance. Benefit from a comprehensive one-year warranty on the entire machine, plus an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This extensive coverage provides unmatched protection, allowing you to secure your investment with the utmost confidence, enabling you to focus on your operations without concerns.
Q9. What about the maintenance?
A: To sustain peak performance and extend operational lifespan, maintenance is recommended after 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advisable, customized to your particular working environment. This routine maintenance is vital for maintaining exceptional durability and dependability, ensuring your investment continues to deliver outstanding performance year after year.
Q10. Can machines be run in a high-temperature environment?
A: Certainly, our robust machines are engineered to excel in high-temperature environments, operating effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F). This ensures dependable performance even under the most challenging conditions, allowing your operations to remain robust and productive, securing consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to provide both OEM and ODM services, supported by our talented design team. We warmly embrace custom orders and are resolute in bringing your distinctive visions to life, ensuring your concepts are realized with precision and excellence. Collaborate with us for unparalleled customization and innovation as we endeavor to bring your ideas to fruition.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously designed for remarkable longevity, typically offering an impressive lifespan exceeding 10 years. This guarantees consistent and enduring performance, reliably supporting your operations. Opt for our compressors to enjoy enduring dependability and peace of mind, knowing your selection will provide ongoing benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are devoted to offering continuous support by supplying crucial spare parts for your machines. This ensures uninterrupted operations, allowing you to maintain peak performance while effectively minimizing downtime. Our dedication to your success shines through in our comprehensive support and exceptional customer service.
Q14. How about your after-sales service?
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