Unlock the immense potential of unparalleled operational excellence with the Sanzhi 250KW Two-Stage Water Cooling Screw Air Compressor. This marvel of engineering brilliance, enriched by cutting-edge German technology, is proudly offered by the prestigious Sanzhi (Henan) Compressor Co., Ltd., a trailblazer in China's elite compressor industry. Prepare to revolutionize your operational efficiency with this groundbreaking technological wonder. At the core of this innovation lies our renowned Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, a game-changer in factory pricing paradigms. It seamlessly integrates cost-efficiency with exceptional performance, solidifying its position as a vital strategic asset for your business endeavors. Experience the pinnacle of engineering excellence with its advanced Centrifugal Cooling Fans, meticulously designed to achieve remarkable energy efficiencies and drastically cut your operational costs. With precise engineering crafted for stable applications, this powerful machine excels in surpassing the rigorous demands of diverse industrial environments. It delivers unmatched performance, durability, and reliability, setting new standards in the industry. Step confidently into the future of industrial compressors with a product that not only meets but exceeds expectations, amplifying productivity and sustainability. Propel your operations into a new era with Sanzhi's revolutionary innovation, where cutting-edge technology seamlessly combines with unwavering reliability.
In-Depth Analysis: Embark on a captivating exploration into the intricate architecture of the Advanced Industrial Fan Two-Stage Water Cooling Screw Air Compressor System's internal framework - Frontside. Discover the brilliance of engineering excellence embedded within the core of our pioneering design. This meticulous masterpiece showcases the pinnacle of cutting-edge innovation and precision craftsmanship, setting unmatched benchmarks in the industry and redefining the boundaries of what's achievable.
Revolutionary Working Principle: Step into a new dawn of air compression innovation with a groundbreaking principle that reshapes industry standards. This transformative advancement elevates performance to unprecedented heights, revolutionizing our understanding of air compression and establishing a new benchmark for excellence in the field.
Delve into the zenith of air compression innovation where remarkable efficiency is achieved 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 counteract transmission losses, bearing friction, and cooling effects. By expertly calibrating the compression ratio at each stage, multi-stage systems achieve exceptional 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, setting 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 boasts a sophisticated dual rotary screw configuration, where each stage features an active screw that drives a passive counterpart through an intricately 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 core of this advanced system are the sealing air films enveloping each screw, orchestrating compression through three pivotal phases: seamless intake, dynamic pressurization that achieves unprecedented efficiency, and a precise exhaust phase that completes the cycle with unparalleled accuracy.
First Stage Compression: The initial phase of the two-stage screw air compressor showcases exceptional engineering ingenuity. A precisely tuned low-pressure screw assembly leads the process, channeling gas into the compression chamber through a meticulously 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, thereby priming the system for superior performance and efficiency.
Second Stage Compression: Progressing to the second stage, the gas is meticulously channeled 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 conclusion of an intricate compression cycle characterized by remarkable efficiency and sophistication.
The refined air compression journey begins as ambient air smoothly 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 advances to the second-stage rotor, undergoing a secondary compression phase to attain 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:265db70f
1. Unparalleled Pricing Advantage
Step into a world where market dominance is at your fingertips, thanks to our irresistibly competitive ex-factory pricing. This strategic advantage not only equips our esteemed clients to compete effectively but ensures they consistently outshine their competition, paving the way to unparalleled success and industry leadership.
2. Effortless Direct Transactions
Discover unmatched efficiency with our direct delivery system straight from our cutting-edge manufacturing hub. Our cost-effective, meticulously engineered solutions cater precisely to your specifications, guaranteeing flawless precision and satisfaction at every phase of your partnership with us.
3. Comprehensive OEM & ODM Solutions
Harness our extensive production capabilities and the expertise of our management team for premium OEM/ODM services. These carefully tailored solutions are crafted to integrate seamlessly with your requirements and align perfectly with your business objectives, securing a path to success.
4. Customization Service Tailored for You
We specialize in customizing non-standard export orders, providing bespoke solutions across critical parameters like voltage, power, and pressure. Partner with us to uncover solutions crafted to meet and exceed your unique needs.
5. Acceptance of Smaller Orders
Embark on your journey with us by placing a small trial order to witness firsthand the superior quality and exceptional performance our products consistently deliver. Your complete satisfaction is our unwavering promise and enduring commitment.
6. Expedited Delivery Service
Take advantage of our rapid delivery services, ensuring seamless and continuous operations. Our outstanding product offerings are perfectly complemented by timely delivery, consistently aligned with your schedule.
7. Comprehensive Authorization
Boost your business prestige with our extensive suite of authorization certificates. Our esteemed distributors are empowered to represent the SANZHI brand products with confidence, promoting them with assurance, pride, and unwavering certainty.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of distinction and mastery in the air compression realm, proudly showcasing over a decade of unparalleled prowess. Our pioneering voyage in technological advancements has culminated in a breathtaking array of revolutionary products. This includes high-efficiency screw air compressors and transformative screw vacuum pumps, setting unprecedented standards in the industry. Our extensive product lineup spans standard and low-pressure screw air compressors, innovative models with permanent magnet frequency conversion technology, and robust two-stage compression units. Each screw air compressor is intricately designed to not merely meet but elevate industry standards, excelling in diverse applications such as laser cutting, adaptive single-tank and double-tank mobile solutions, as well as electric and diesel mobile configurations. Furthermore, our avant-garde screw vacuum pumps redefine precision and dependability, fortifying our esteemed reputation as industry innovators.
Our cutting-edge assembly lines symbolize manufacturing brilliance, characterized by remarkable efficiency and production capacity. Our operations are driven by a dynamic team of over 50 seasoned experts who relentlessly enhance our management systems, with a dedicated focus on ERP. This ensures significantly reduced lead times and guarantees the swift delivery of our top-tier products.
Our unwavering dedication to superior management practices is highlighted by our prestigious ISO9001 quality management system certification. We adhere to the highest quality standards through meticulous control protocols, ensuring each machine undergoes a thorough inspection regimen. This includes material evaluations, production analyses, and extensive pre-delivery inspections, ensuring only the finest machinery reaches our esteemed clients.
Our relentless quest for exceptional customer service begins with expert pre-sales consultations, guiding clients in selecting the ideal air equipment tailored to their unique needs. Our unrivaled customization capabilities empower us to modify both appearance and configuration according to personal preferences, offering OEM services to meet specific dealer requirements. Our dedicated sales and service team ensures swift and effective responses, promising seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is crystal clear and unwavering: to deliver exceptional, reliable products while nurturing enduring customer relationships. By seamlessly integrating rapid delivery, superior product quality, and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically positioned 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 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 industry excellence.
Q2. How do you control quality?
A: 1. We perform comprehensive inspections on all raw materials to guarantee superior quality.
2. Our precise assembly procedures uphold 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 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?
A: Our after-sales service is crafted with an unwavering commitment to fostering enduring partnerships. We proudly provide comprehensive support that extends far beyond the initial purchase, ensuring your operations run smoothly and efficiently. Our dedicated team is poised to assist with any inquiries or challenges, reflecting our promise of exceptional service and customer satisfaction. Trust in our continuous support to help you achieve your business objectives with ease and confidence.
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