Discover unparalleled advancements in operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a hallmark of engineering brilliance. This exceptional device, embodying cutting-edge German engineering, is proudly offered by Sanzhi (Henan) Compressor Co., Ltd., a leader in China's distinguished compressor industry. Prepare to enhance your operational efficiency with this innovative technological masterpiece. Central to this marvel is our renowned Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting a new standard in factory pricing paradigms. It masterfully combines cost-effectiveness with top-tier performance, establishing itself as a crucial strategic asset for your enterprise. Experience the apex of engineering expertise with its sophisticated Centrifugal Fans, expertly crafted to unlock remarkable energy efficiencies and substantially lower your operational expenses. Designed with precision for stable applications, this robust machinery excels in meeting and surpassing the stringent requirements of industrial environments. It offers unparalleled performance, durability, and reliability that are unmatched. Embrace the future of industrial compressors with a product that not only fulfills but surpasses expectations, boosting productivity and sustainability. Propel your operations forward with Sanzhi's revolutionary innovation, where cutting-edge technology merges with steadfast reliability.
In-Depth Analysis: Embark on an enlightening exploration of the brilliant complexities within our product's internal framework - Frontside. Unveil the extraordinary engineering expertise that forms the essence of our groundbreaking systems. Our meticulously crafted design stands as a testament to the pinnacle of cutting-edge innovation and precision, setting unrivaled standards in the industry while expanding the horizons of what is possible.
Revolutionary Working Principle: Welcome a transformative era of air compression technology with an innovative principle set to revolutionize industry standards. This groundbreaking advancement elevates performance to extraordinary levels, reshaping our comprehension of air compression and establishing a new benchmark of excellence.
Immerse yourself in the forefront of air compression technology. Here, exceptional efficiency is realized through the harmonious integration of single-stage and multi-stage systems. While theoretical models suggest energy equilibrium, real-world applications necessitate strategic adaptations to counteract transmission losses, bearing friction, and cooling impacts. Through meticulous calibration of compression ratios at each stage, multi-stage systems achieve outstanding efficiency, significantly cutting power consumption compared to single-stage counterparts. This advanced methodology not only enhances overall system performance but also dramatically decreases excess energy use, setting an innovative benchmark in power optimization.
Introducing the innovative 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel exemplifies a sophisticated dual rotary screw design, where each stage incorporates an active screw propelling a passive screw through an ingeniously designed external power transfer system. The first stage features a low-pressure screw assembly engineered for optimal efficiency, seamlessly transitioning to a high-pressure screw assembly. Central to this advanced mechanism are the sealing air films enveloping each screw, guiding compression through three critical stages: seamless intake, dynamic pressurization elevating efficiency to unmatched levels, and a precise exhaust stage, completing the cycle with remarkable accuracy.
First Stage Compression: The initial stage of the two-stage screw air compressor showcases extraordinary engineering excellence. A finely tuned low-pressure screw assembly leads the process, guiding gas into the compression chamber via a meticulously designed 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 priming the system for exceptional performance and efficiency.
Second Stage Compression: Transitioning to the second stage, the gas is masterfully directed into a uniquely compact screw space, where pressure and temperature are strategically amplified to extraordinary levels. This phase culminates with the opening of the exhaust valve, allowing high-pressure gases to exit, marking the conclusion of a complex compression cycle characterized by extraordinary efficiency and sophistication.
The refined air compression journey commences as ambient air seamlessly flows through the air filter, blending harmoniously with a trace of lubricating oil in the compression chamber. This amalgamation 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, 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, completing an exceptionally 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. |
Experience the epitome of precision and engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s remarkable water-cooled compressors. These extraordinary machines exemplify the pinnacle of innovative technology, as they seamlessly merge groundbreaking advancements with practical functionality. By harnessing water's unmatched cooling properties, these compressors not only enhance lubrication but also significantly extend the durability of wear-prone components. Through inventive purification methods, internal elements are meticulously cleaned while heat is efficiently dissipated from cylinders and compressed air. The outcome is a remarkable reduction in exhaust temperatures and a substantial decrease in power consumption, leading to impressive operational cost savings. To guarantee peak performance and unwavering reliability, it is essential to maintain vigilant monitoring of the cooling system and adopt proactive scaling management.
1) High efficiency of PM motor:Discover the exceptional prowess of our advanced permanent magnet (PM) motor, meticulously crafted for outstanding performance with consistent torque and an expansive weak magnetic range. This innovative design delivers a remarkable 20-30% boost in efficiency over traditional motors. Even beyond rated frequencies, the PM motor sustains its impressive efficiency, ensuring top-tier performance across diverse scenarios.
2) Motor maintenance-free:Introducing our revolutionary permanent magnet motor, engineered without bearings to eliminate the conventional motor bearing maintenance and replacement costs. This groundbreaking design significantly slashes overall maintenance expenses, offering a truly cost-effective solution.
3) Integrated frequency converter: Featuring China's premier frequency system, our compressor offers broad speed regulation with unparalleled precision. This adaptive system seamlessly adjusts to real-time gas demands, ensuring optimum energy efficiency and superior performance in every application.
4) No transmission loss: Our compressor boasts an innovative direct shaft connection design combined with an advanced permanent magnet motor, resulting in a sleek and compact structure. This forward-thinking solution eliminates the need for couplings and other transmission components, guaranteeing impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design significantly reduces strain on power grid infrastructure, safeguarding electrical systems from potential harm and tremendously extending the system's lifespan.
6) Reduced energy consumption: Our system features a remarkable frequency conversion range from 25% to 100%, exceeding the usual 50% to 100%. This achieves over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency models, offering significant advantages for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly engineered two-stage compression screw machine integrates primary and secondary compression rotors within a single casing. Each rotor operates independently, powered by gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-performance internal spray curtain cooling method delivers exceptional cooling results by dramatically lowering compressed air temperatures. This innovative approach achieves nearly isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system effectively reduces compression ratios for each stage, significantly minimizing internal leakage between high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio substantially lowers noise levels, particularly during unloading operations, fostering a quieter and more serene 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 effortless maintenance and user-friendly service.
12) Door Panels are Removable:608bcb65
1. Unbeatable Pricing Edge
Dive into the realm of market dominance by seizing the remarkable advantages offered by our exceptionally competitive ex-factory pricing. This strategic advantage enables our valued clients to not only lead but consistently excel beyond their competitors, charting a course for extraordinary success and unparalleled industry leadership.
2. Seamless Direct Transactions
Experience unmatched efficiency with products delivered straight from our cutting-edge manufacturing hub. Our carefully engineered, cost-effective solutions are specifically tailored to meet your precise needs, ensuring flawless precision and complete satisfaction at every stage of your partnership with us.
3. Extensive OEM & ODM Solutions
Harness our robust production capabilities and seasoned management team to access premium OEM/ODM services. These finely tuned solutions are crafted with precision to integrate effortlessly with your unique specifications and align seamlessly with your broader business goals, guaranteeing your success.
4. Tailored Customization Service
We excel in customizing non-standard export orders by providing personalized solutions across key parameters such as voltage, power, and pressure. Reach out to us to explore solutions expertly tailored to meet and exceed your distinct needs and expectations.
5. Acceptance of Small Orders
Embark on your journey with us by placing a small trial order to witness firsthand the superior quality and performance our products consistently provide. Your total satisfaction is our unwavering promise and steadfast dedication.
6. Swift Delivery
Enjoy the benefits of our rapid delivery services, ensuring your operations continue seamlessly and without a hitch. Our exceptional product offerings are perfectly complemented by timely delivery, always aligning with your schedule and requirements.
7. Complete Authorization
Enhance your business prestige with our comprehensive set of authorization certificates. Our esteemed distributors are empowered to confidently represent and advocate for the esteemed SANZHI brand products, promoting them with pride, assurance, and unwavering confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a luminous emblem of distinction within the air compression landscape, showcasing over ten years of unparalleled proficiency. Our trailblazing journey through technology has yielded an extraordinary array of cutting-edge products. These include high-efficiency screw air compressors and revolutionary screw vacuum pumps that elevate industry standards to new heights. Our diverse product lineup features standard and low-pressure screw air compressors, revolutionary models with permanent magnet frequency conversion technology, and resilient two-stage compression variants. Each screw air compressor is meticulously crafted to not only align with but surpass industry expectations, flourishing across diverse applications like laser cutting, versatile single-tank, and dual-tank mobile applications, as well as electric and diesel mobile configurations. Furthermore, our avant-garde screw vacuum pumps redefine precision and dependability, fortifying our eminent status as industry frontrunners.
Our state-of-the-art assembly lines epitomize superb manufacturing expertise, characterized by unparalleled efficiency and production capacity. At the heart of our operations is a dedicated team of over 50 seasoned professionals consistently refining our management systems, prioritizing ERP, which drastically shortens lead times and ensures the swift delivery of our top-quality products.
Our unwavering dedication to exemplary management practices is underscored by our prestigious ISO9001 quality management system certification. We uphold the highest quality standards through rigorous control protocols, guaranteeing that each machine undergoes an exhaustive inspection process. This encompasses material assessments, production analyses, and comprehensive pre-delivery checks, ensuring that only the premium machinery reaches our esteemed clients.
Our unyielding quest for superior customer service begins with expert pre-sales consultations, guiding clients toward selecting the perfect air equipment tailored to their specific requirements. Our distinctive customization capabilities allow us to alter both appearance and configuration according to individual preferences, offering OEM services to meet unique dealer demands. Our committed sales and service team ensures swift and effective responsiveness, guaranteeing seamless and trustworthy after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is unequivocal and steadfast: to deliver exceptional, reliable products while fostering enduring customer relationships. By seamlessly integrating rapid delivery, premier product quality, and competitive pricing, we establish ourselves as your dependable partner for all-encompassing compressed air solutions.
Situated strategically in Xinzheng City, Henan Province, China, our factory provides unsurpassed convenience to clients. We offer complimentary transportation from Xinzheng International Airport, located just 30 kilometers away-a mere hour's drive. We warmly invite you to experience our esteemed facilities in person.
Frequently Asked Questions (FAQ)
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with specialized expertise in screw air compressors, supported 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. Every machine undergoes a stringent minimum of five consecutive hours of testing before 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 details, and we will engineer a customized solution perfectly matched to 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 diverse array of voltage options, meticulously crafted to cater to the varied regional preferences of our esteemed clientele. Discover our highly adaptable configurations, including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to providing bespoke solutions, complemented by exceptional customization services, ensures a perfect match for your operational demands. This commitment promises unmatched versatility and superior performance, empowering your enterprise with extraordinary reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our efficient order processing guarantees fulfillment within an impressive 15 working days following confirmation. For custom orders, our proactive sales team collaborates closely with you to devise a timeline that perfectly aligns with your specific needs, ensuring impeccable and punctual delivery. Our meticulous approach guarantees your satisfaction and fosters 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, followed by 40% T/T pre-shipment, and concludes 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 valued clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty package is expertly curated to provide peace of mind and security. Enjoy a comprehensive one-year warranty on the entire machine, along with an additional two-year warranty for the screw air compressor, excluding consumable components. This extensive protection offers unmatched security, safeguarding your investment with supreme confidence, allowing you to focus on your operations without worries.
Q9. What about the maintenance?
A: To ensure optimal performance and extend operational life, we recommend initiating maintenance after 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is crucial for sustaining exceptional durability and reliability, ensuring your investment continuously delivers excellent performance throughout the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are engineered for exceptional performance in high-temperature environments. They operate effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing reliable performance even under the most challenging conditions. Your operations will remain robust and 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 is realized with precision and excellence. Partner with us for exceptional customization and innovation as we strive to turn your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for outstanding longevity, typically offering an impressive lifespan exceeding 10 years. This ensures consistent and long-lasting performance, reliably supporting your operations. Invest in our compressors for enduring dependability and peace of mind, knowing your choice will deliver 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?
3929ecbd
){kind=link}