Unleash the full potential of your operations with unrivaled efficiency, courtesy of the Sanzhi 250KW Two-Stage Water Cooling Screw Air Compressor. This extraordinary feat of engineering, infused with state-of-the-art German technology, stands as a testament to the innovative prowess of Sanzhi (Henan) Compressor Co., Ltd., a leader in China's prestigious compressor industry. Prepare to transform your operational dynamics with this revolutionary technological breakthrough. Central to this marvel is our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, a transformative force in factory pricing models. It flawlessly merges cost-effectiveness with superior performance, ensuring it remains an indispensable strategic asset for your business pursuits. Embrace the zenith of engineering mastery with its sophisticated Centrifugal Cooling Fans, expertly crafted to deliver exceptional energy efficiencies and significantly reduce your operational expenses. Designed with precision for unwavering applications, this formidable machine excels in meeting the stringent requirements of various industrial settings. It offers unparalleled performance, durability, and reliability, setting new benchmarks in the industry. Step boldly into the future of industrial compressors with a product that not only fulfills but surpasses expectations, enhancing productivity and sustainability. Elevate your operations to new heights with Sanzhi's groundbreaking innovation, where leading-edge technology merges seamlessly with steadfast reliability.
In-Depth Analysis: Embark on a captivating journey into the intricate design of the Advanced Industrial Fan Two-Stage Water Cooling Screw Air Compressor System - Frontside. Uncover the exceptional engineering brilliance woven into the core of our groundbreaking design. This meticulous masterpiece exemplifies the pinnacle of cutting-edge innovation and precise craftsmanship, setting unparalleled benchmarks in the industry and redefining the boundaries of possibility.
Revolutionary Working Principle: Enter a new era of air compression innovation driven by a groundbreaking principle that reshapes industry standards. This transformative advancement propels performance to new heights, revolutionizing our understanding of air compression and setting a new benchmark for excellence.
Explore the pinnacle of air compression innovation, where extraordinary efficiency is realized through the seamless integration of single-stage and multi-stage systems. While optimal conditions suggest a balance in energy distribution, real-world applications necessitate strategic fine-tuning to mitigate transmission losses, bearing friction, and cooling effects. By expertly calibrating the compression ratio at each stage, multi-stage systems achieve remarkable efficiency, dramatically reducing power consumption compared to their single-stage counterparts. This refined approach not only enhances overall system performance but also significantly minimizes excess energy use, establishing an unparalleled 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 configuration, where each stage employs an active screw to drive a passive counterpart through a meticulously engineered external power transfer mechanism. The initial stage, managed by a low-pressure screw assembly, is optimized for maximum efficiency, followed by a subsequent high-pressure screw assembly. At the heart of this advanced system are sealing air films enveloping each screw, orchestrating compression through three crucial phases: seamless intake, dynamic pressurization that achieves unprecedented efficiency, and a precise exhaust phase that completes the cycle with unrivaled accuracy.
First Stage Compression: The initial phase of the two-stage screw air compressor showcases exceptional engineering ingenuity. A meticulously tuned low-pressure screw assembly initiates the process, channeling gas into the compression chamber through a precisely crafted suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, setting the stage for enhanced compression in the next phase, priming the system for superior performance and efficiency.
Second Stage Compression: Advancing to the second stage, the gas is expertly channeled into a uniquely compact screw space, where pressure and temperature reach extraordinary levels. This phase culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, marking the conclusion 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 inside 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 progresses 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 elegantly exits 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
Step into a world of limitless possibilities where market dominance is just a decision away. Our irresistibly competitive ex-factory pricing grants you a strategic edge, allowing esteemed clients to not only compete fiercely but to consistently outshine rivals. This paves the way to unparalleled success and solidifies your position as an industry leader.
2. Effortless Direct Transactions
Experience unmatched efficiency through our seamless direct delivery system, straight from our state-of-the-art manufacturing hub. Our cost-effective, meticulously engineered solutions are tailored precisely to your specifications, ensuring impeccable precision and satisfaction at every phase of your collaboration with us.
3. Comprehensive OEM & ODM Solutions
Capitalize on our vast production capabilities and the profound expertise of our management team to access premium OEM/ODM services. These expertly tailored solutions are designed to integrate seamlessly with your requirements, aligning perfectly with your business objectives and securing a clear path to success.
4. Customization Service Tailored for You
We excel in customizing non-standard export orders, offering bespoke solutions across vital parameters such as voltage, power, and pressure. Partner with us to discover solutions that are crafted to meet and exceed your unique needs, delivering excellence every step of the way.
5. Acceptance of Smaller Orders
Embark on your journey with us by placing a small trial order and witness firsthand the superior quality and exceptional performance our products deliver consistently. Your complete satisfaction is our unwavering promise and enduring commitment, ensuring excellence at every turn.
6. Expedited Delivery Service
Benefit from our swift delivery services, ensuring seamless and continuous operations. Our outstanding product offerings are perfectly complemented by timely delivery that consistently aligns with your schedule and needs.
7. Comprehensive Authorization
Elevate your business prestige with our extensive suite of authorization certificates. Our esteemed distributors are empowered with the confidence to represent SANZHI brand products, promoting them with assurance, pride, and unwavering certainty in their quality and reliability.
Successful Cases
At Sanzhi (Henan) Compressor Co., Ltd, we represent the pinnacle of excellence in the air compression industry, boasting over a decade of unmatched expertise. Our relentless pursuit of innovation has resulted in a stunning portfolio of cutting-edge products. This includes high-efficiency screw air compressors and groundbreaking screw vacuum pumps that set new benchmarks in the field. Our expansive range encompasses standard and low-pressure screw air compressors, trailblazing models with permanent magnet frequency conversion technology, and sturdy two-stage compression units. Each screw air compressor is meticulously crafted to not just meet but elevate industry benchmarks, excelling across various applications including laser cutting, adaptive 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, reinforcing our distinguished reputation as leaders in the industry.
Our state-of-the-art assembly lines embody manufacturing excellence, renowned for their impressive efficiency and production capacity. Our operations are fueled by a team of over 50 experienced professionals who continually refine our management systems with an emphasis on ERP. This commitment significantly reduces lead times and ensures the prompt delivery of our premium products.
Our steadfast commitment to superior management practices is underscored by our esteemed ISO9001 quality management system certification. We uphold the highest quality standards through rigorous control protocols, ensuring each machine undergoes an exhaustive inspection regimen. This includes thorough material evaluations, production analyses, and extensive pre-delivery inspections, guaranteeing that only the highest quality machinery is delivered to our valued clients.
Our unwavering dedication to outstanding customer service begins with expert pre-sales consultations, assisting clients in selecting the ideal air equipment tailored to their specific needs. Our unmatched customization capabilities allow us to modify both appearance and configuration to suit personal preferences, offering OEM services to meet particular dealer requirements. Our committed sales and service team ensures swift and effective responses, providing seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is clear and steadfast: to deliver exceptional, reliable products while fostering lasting customer relationships. By seamlessly integrating swift delivery, superior product quality, and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory offers unmatched convenience to our clients. We offer complimentary transportation from Xinzheng International Airport, just 30 kilometers away-an easy hour's drive. We warmly invite you to witness our esteemed 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 excellence in the industry.
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 confirm 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 pride in offering an expansive range of voltage configurations, meticulously tailored to meet the unique preferences of our esteemed clientele worldwide. Our versatile options include 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. We are steadfast in our dedication to crafting bespoke solutions through exceptional customization services, ensuring your operational demands are flawlessly met. This dedication guarantees unparalleled adaptability and superior performance, powering your enterprise with unwavering reliability and exceptional efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing ensures fulfillment within an impressive 15 working days following order confirmation. For customized requests, our proactive sales team collaborates closely with you to create a timeline that precisely caters to your specific requirements, ensuring impeccable and timely delivery. Our committed approach not only ensures your satisfaction but also cultivates a partnership based on trust, consistently surpassing expectations.
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, followed by a 40% T/T prior to shipment, culminating in a final 30% T/T upon receipt of the B/L copy. We accept payments in both USD and RMB, offering flexibility and convenience for our cherished clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty offerings are meticulously designed to deliver unparalleled peace of mind and assurance. Enjoy a comprehensive one-year warranty on the entire machine, along with an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This extensive coverage provides unmatched protection, empowering you to secure your investment with absolute confidence, allowing you to focus on your operations without concerns.
Q9. What about the maintenance?
A: To ensure peak performance and extend the operational lifespan, maintenance is advised after 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is recommended, customized to your specific working environment. This routine maintenance is crucial for maintaining exceptional durability and reliability, 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, performing seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F). This ensures reliable performance even under the most demanding conditions, enabling your operations to remain resilient and productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are thrilled to offer both OEM and ODM services, backed by our expert design team. We enthusiastically welcome custom orders and are dedicated to bringing your unique visions to life, ensuring your concepts are realized with precision and excellence. Collaborate with us for unparalleled customization and innovation as we strive to bring your ideas to fruition.
Q12. How long could your air compressor be used?
A: Our air compressors are expertly crafted for exceptional longevity, typically offering an impressive lifespan exceeding 10 years. This guarantees consistent and enduring performance, reliably supporting your operations. Choose our compressors to enjoy lasting dependability and peace of mind, knowing your decision will provide ongoing benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to providing continuous support by supplying essential spare parts for your machines. This ensures uninterrupted operations, allowing you to maintain peak performance while effectively minimizing downtime. Our dedication to your success is evident in our comprehensive support and outstanding customer service.
Q14. How about your after-sales service?
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