Embark on a transformative journey towards operational excellence with the exceptional Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a true representation of engineering elegance. This extraordinary piece of machinery is crafted with cutting-edge German engineering, brought to you by the esteemed Sanzhi (Henan) Compressor Co., Ltd.-a leader in China's prestigious compressor industry. Prepare to revolutionize your operational efficiency with this technological marvel. At the core of this innovation is our renowned Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting new standards in factory pricing models. Seamlessly blending cost-effectiveness with top-tier performance, it becomes a crucial asset for your business pursuits. Witness the zenith of engineering excellence with its state-of-the-art Centrifugal Fans, meticulously engineered to achieve unprecedented energy efficiencies and dramatically lower your operational expenses. Designed with precision for stable applications, this powerful machine excels in meeting and surpassing the demanding requirements of industrial environments. It offers unparalleled performance, rugged durability, and unwavering reliability that stands unmatched. Embrace the future of industrial compressors with a product that not only fulfills but surpasses expectations, boosting productivity and fostering sustainability. Propel your operations into the future with Sanzhi's groundbreaking innovation, where cutting-edge technology meets steadfast dependability.
In-Depth Analysis: Embark on an enlightening journey through the mesmerizing intricacies of our product's internal framework - Frontside. Unveil the remarkable engineering prowess that forms the core of our revolutionary systems. Our exquisitely crafted design stands as a testament to the zenith of modern innovation and precision, setting unmatched standards in the industry while broadening the horizons of what is achievable.
Revolutionary Working Principle: Embrace a groundbreaking era of air compression technology with an innovative principle poised to set new industry standards. This pioneering advancement enhances performance to extraordinary heights, reshaping our understanding of air compression and establishing a new benchmark of excellence.
Immerse yourself in the leading edge of air compression technology, where exceptional efficiency is achieved through the seamless integration of single-stage and multi-stage systems. While theoretical models propose energy equilibrium, real-world applications demand astute adjustments to mitigate transmission losses, bearing friction, and cooling effects. Through precise calibration of compression ratios at each stage, multi-stage systems attain superior efficiency, significantly reducing power consumption compared to single-stage models. This advanced approach not only boosts overall system performance but also greatly minimizes excess energy usage, setting a pioneering 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 showcases a sophisticated dual rotary screw design, where each stage incorporates an active screw driving a passive screw through a cleverly designed external power transfer system. The first stage boasts a low-pressure screw assembly crafted for optimal efficiency, smoothly transitioning to a high-pressure screw assembly. Central to this advanced mechanism are the sealing air films enveloping each screw, guiding compression through three pivotal stages: seamless intake, dynamic pressurization elevating efficiency to unparalleled levels, and a precise exhaust stage, completing the cycle with remarkable precision.
First Stage Compression: The initial stage of the two-stage screw air compressor exemplifies extraordinary engineering mastery. A finely tuned low-pressure screw assembly initiates the process, channeling gas into the compression chamber via a meticulously crafted suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, laying the groundwork for enhanced compression in the next phase, thus priming the system for exceptional performance and efficiency.
Second Stage Compression: Transitioning to the second stage, the gas is expertly guided into a uniquely compact screw space, where pressure and temperature are strategically intensified to exceptional levels. This phase concludes with the opening of the exhaust valve, allowing high-pressure gases to exit, marking the end of a complex compression cycle distinguished by extraordinary efficiency and sophistication.
The refined air compression journey begins as ambient air flows effortlessly through the air filter, harmonizing with a trace of lubricating oil in 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 proceeds 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 gracefully expelled through the exhaust valve, completing 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 apex of precision and engineering brilliance with Sanzhi (Henan) Compressor Co., Ltd.'s outstanding water-cooled compressors. These machines stand as icons of innovative technology, seamlessly merging state-of-the-art advancements with practicality. Harnessing water's exceptional cooling ability, they enhance lubrication, significantly extending the longevity of wear-prone parts. Cutting-edge techniques purify internal elements while effectively dissipating heat from cylinders and compressed air. This leads to a remarkable reduction in exhaust temperatures and an impressive decrease in power consumption, delivering exceptional operational cost savings. To maintain peak efficiency and unwavering reliability, vigilant monitoring of the cooling system and proactive scaling management are essential.
1) High efficiency of PM motor:Unleash the remarkable capabilities of our sophisticated permanent magnet (PM) motor, meticulously engineered for exceptional performance with consistent torque and an extensive weak magnetic range. This design provides an extraordinary 20-30% increase in efficiency over traditional motors. The PM motor maintains its high efficiency even beyond rated frequencies, ensuring superior performance across all conditions.
2) Motor maintenance-free:Discover our groundbreaking permanent magnet motor, crafted without bearings, completely eliminating the need for traditional motor bearing maintenance and replacement costs. This innovative design drastically cuts down on overall maintenance expenses.
3) Integrated frequency converter: Equipped with China's premier frequency system, our compressor delivers extensive speed regulation with unparalleled precision. This adaptable system smoothly aligns with real-time gas demands, ensuring optimal energy efficiency and top-tier performance.
4) No transmission loss: Our compressor flaunts a visionary direct shaft connection design, coupled with an advanced permanent magnet motor, offering a sleek and compact construction. This forward-thinking innovation removes the need for couplings and other transmission elements, ensuring flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design significantly reduces stress on power grid infrastructure, safeguarding electrical systems against potential hazards and tremendously prolonging the system's lifespan.
6) Reduced energy consumption: Our system boasts an outstanding frequency conversion range from 25% to 100%, outperforming 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 provides substantial advantages for systems with variable gas consumption requirements.
7) Unique two-stage compression air end:Our expertly designed two-stage compression screw machine encompasses primary and secondary compression rotors within a single casing. Each rotor operates independently, driven by gears to ensure optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers unparalleled cooling results, drastically lowering compressed air temperatures. This innovative approach achieves near-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 significantly diminishes noise levels, particularly during unloading operations, fostering a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures align with those of single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:608bcb65
1. Unbeatable Pricing Edge
Unlock unparalleled market success with our competitive ex-factory pricing. This advantageous position enables our valued clients to consistently overshadow competitors, charting a course towards remarkable achievements and market dominance.
2. Seamless Direct Transactions
Achieve exceptional efficiency with direct deliveries from our cutting-edge production facility. Our strategically designed, cost-effective solutions are meticulously crafted to meet your unique needs, ensuring unmatched accuracy and satisfaction at every stage of your partnership with us.
3. Extensive OEM & ODM Solutions
Harness our vast production capabilities and expert management to access premier OEM/ODM services. These expertly crafted solutions are seamlessly integrated with your specific needs and perfectly aligned with your business goals, paving the way for your success.
4. Tailored Customization Service
We excel in customizing non-standard export orders, offering bespoke solutions in voltage, power, and pressure. Partner with us to explore solutions perfectly designed to meet and exceed your unique requirements.
5. Acceptance of Small Orders
Embark on a partnership with us by starting with a small trial order to experience the exceptional quality and performance that our products reliably deliver. Your complete satisfaction is our unwavering promise and commitment.
6. Swift Delivery
Enjoy the efficiency of our swift delivery services that ensure your operations remain uninterrupted. Our outstanding products are complemented by timely deliveries, consistently aligning with your schedule.
7. Complete Authorization
Enhance your business stature with our full suite of authorization certificates. Our distinguished distributors are empowered to represent and promote the prestigious SANZHI brand products with pride, assurance, and unparalleled confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines brilliantly in the world of air compression, proudly showcasing over ten years of unparalleled expertise. Our journey of innovation has created a stunning array of cutting-edge products, including high-performance screw air compressors and revolutionary screw vacuum pumps that set new industry standards. Our diverse product portfolio features standard and low-pressure screw air compressors, ingenious models with permanent magnet frequency conversion technology, and sturdy two-stage compression options. Each screw air compressor is meticulously crafted to surpass industry standards, excelling in various applications such as laser cutting, flexible single-tank and double-tank mobile formats, as well as electric and diesel mobile versions. In addition, our pioneering screw vacuum pumps establish new benchmarks for precision and reliability, reinforcing our stronghold as industry leaders.
Our state-of-the-art assembly lines exemplify our remarkable manufacturing excellence, characterized by exceptional efficiency and production capacity. Our operations are driven by a dedicated team of over 50 seasoned professionals who constantly refine our management systems, with a pivotal focus on ERP, ensuring significantly reduced lead times and the timely delivery of our premier products.
Our unwavering dedication to superior management practices is underscored by our prestigious ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, ensuring each machine undergoes a thorough inspection process. This encompasses material assessments, production reviews, and meticulous pre-delivery inspections, ensuring that only the finest machinery is delivered to our esteemed clients.
Our tireless commitment to exceptional customer service begins with expert pre-sales consultations, guiding clients in selecting the perfect air equipment tailored to their unique needs. Our distinctive customization capabilities allow us to alter both appearance and configuration according to personal preferences, providing OEM services to suit specific dealer requirements. Our devoted sales and service team ensures swift and effective responses, guaranteeing seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is both clear and unwavering: to provide outstanding, dependable products while cultivating enduring customer relationships. By seamlessly integrating prompt delivery, superior product quality, and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically situated in Xinzheng City, Henan Province, China, our factory provides unmatched convenience to clients. We offer complimentary transportation from Xinzheng International Airport, merely 30 kilometers away-just an hour's drive. We warmly welcome 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 ensure superior quality.
2. Our precise assembly procedures uphold 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. Explore 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 a remarkable 15 working days following confirmation. For tailored orders, our proactive sales team works in close partnership with you to devise a timeline that perfectly suits your specific needs, ensuring impeccable and prompt 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 initiates 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?
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