Unlock new horizons in operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a beacon of engineering sophistication. This remarkable apparatus, infused with state-of-the-art German engineering, is proudly brought to you by the renowned Sanzhi (Henan) Compressor Co., Ltd., a vanguard in China's illustrious compressor sector. Brace yourself to elevate your operational efficiency with this pioneering technological masterpiece. At the heart of this innovation lies our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, revolutionizing factory pricing paradigms. It flawlessly merges cost-effectiveness with superior performance, emerging as an indispensable strategic asset for your business ventures. Experience the pinnacle of engineering prowess with its cutting-edge Centrifugal Fans, meticulously designed to unlock extraordinary energy efficiencies and significantly reduce your operational costs. Engineered with precision for stable applications, this formidable machinery excels in fulfilling and exceeding the rigorous demands of industrial settings. It delivers unmatched performance, durability, and dependability that stand unrivaled. Step into the future of industrial compressors with a product that not only meets but exceeds expectations, enhancing productivity and sustainability. Accelerate your operations with Sanzhi's groundbreaking innovation, where avant-garde technology converges with unwavering reliability.
In-Depth Analysis: Embark on an enlightening exploration into the awe-inspiring intricacies of our product's internal framework - Frontside. Discover the exceptional engineering expertise that forms the foundation of our groundbreaking systems. Our meticulously crafted design represents the zenith of state-of-the-art innovation and precision, setting unprecedented benchmarks in the industry while expanding the horizons of what is possible.
Revolutionary Working Principle: Welcome a transformative era in air compression technology with a revolutionary principle that is set to redefine industry standards. This visionary advancement elevates performance to unprecedented levels, fundamentally reshaping our understanding of air compression and establishing a new paradigm of excellence.
Explore the forefront of air compression innovation where unparalleled efficiency is realized through the harmonious integration of single-stage and multi-stage systems. While ideal conditions suggest a balanced energy distribution, real-world scenarios necessitate strategic adaptations to counteract transmission losses, bearing friction, and cooling effects. Through precise calibration of the compression ratio at each stage, multi-stage systems achieve outstanding efficiency, significantly reducing power consumption compared to single-stage systems. This refined approach not only enhances overall system performance but also drastically minimizes excess energy usage, setting a groundbreaking 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 wonder features an advanced dual rotary screw configuration, with each stage comprising an active screw that drives a passive counterpart via a meticulously designed external power transfer system. The first stage utilizes a low-pressure screw assembly optimized for maximum efficiency, followed by a high-pressure screw assembly in the subsequent phase. Central to this sophisticated mechanism are the sealing air films surrounding each screw, directing compression through three critical stages: seamless intake, dynamic pressurization that enhances efficiency to extraordinary levels, and a precise exhaust phase, completing the cycle with unmatched accuracy.
First Stage Compression: The initial phase of the two-stage screw air compressor is a testament to extraordinary engineering. A finely tuned low-pressure screw assembly initiates the process, channeling gas into the compression chamber through a meticulously crafted suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, setting the groundwork for intensified compression in the subsequent phase, thus preparing the system for exceptional performance and efficiency.
Second Stage Compression: Advancing to the second stage, the gas is expertly directed into a uniquely compact screw space where pressure and temperature are strategically amplified to extraordinary thresholds. This phase culminates with the opening of the exhaust valve, allowing high-pressure gases to exit the system, marking the conclusion of an intricate compression cycle characterized by outstanding efficiency and sophistication.
The sophisticated air compression journey initiates as ambient air flows seamlessly through the air filter, merging effortlessly with a trace of lubricating oil in the compression chamber. This blend 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, undergoing 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. |
Immerse yourself in a realm of unparalleled precision and distinction with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors. These machines are an epitome of advanced engineering sophistication, flawlessly merging cutting-edge technology with everyday usability. By tapping into water's superior cooling capacities, they enhance lubrication and remarkably extend the lifespan of the most wear-prone components. Utilizing revolutionary methods, these compressors not only purify internal elements but also efficiently dissipate heat from both cylinders and compressed air. The result is a dramatic reduction in exhaust temperatures and a notable decrease in power consumption, culminating in extraordinary operational cost savings. To guarantee peak performance and steadfast reliability, meticulous monitoring of the cooling system and proactive handling of potential scaling issues are crucial.
1) High efficiency of PM motor:Discover the exceptional strength of our groundbreaking permanent magnet (PM) motor, which is intricately crafted to deliver outstanding performance with a steady torque range and a wide weak magnetic spectrum. This design achieves an impressive 20-30% rise in efficiency compared to conventional motors. Remarkably, the PM motor maintains its exceptional efficiency even beyond rated frequencies, ensuring top-notch performance across all scenarios.
2) Motor maintenance-free:Introducing our revolutionary permanent magnet motor, characterized by a bearing-free design that eliminates traditional costs associated with motor bearing maintenance and replacement. This trailblazing design greatly minimizes overall maintenance expenditures.
3) Integrated frequency converter: Outfitted with China's premier frequency system, our compressor allows extensive speed modulation with unmatched precision. This adaptable system smoothly adjusts to real-time gas requirements, ensuring optimal energy efficiency and superior operational performance.
4) No transmission loss: Our compressor features a groundbreaking direct shaft connection design coupled with an advanced permanent magnet motor, embodying a sleek and compact structure. 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 substantially alleviates stress on power grid infrastructure, protecting electrical systems from potential harm and significantly extending the system's operational life.
6) Reduced energy consumption: Our system offers an outstanding frequency conversion range from 25% to 100%, surpassing the usual 50% to 100%. It achieves over 30% energy savings compared to fixed-speed compressors and approximately 5% more compared to standard variable frequency models, offering considerable benefits for systems with fluctuating gas consumption needs.
7) Unique two-stage compression air end:Our expertly crafted two-stage compression screw machine adeptly combines primary and secondary compression rotors within a unified casing. Each rotor functions independently, driven by gears to assure optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method provides exceptional cooling outcomes, drastically lowering compressed air temperatures. This innovative strategy achieves near-isothermal compression, minimizing pressure drop between stages, diminishing the compression ratio, and boosting overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system skillfully reduces compression ratios for each stage, significantly diminishing internal leakage between high and low-pressure ends, while enhancing volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio considerably lowers noise levels, especially during unloading operations, cultivating a quieter and more serene working environment.
11) Easy maintenance and service:Despite its intricate two-stage compression design, the components and structures align with those of single-stage compressors, guaranteeing straightforward maintenance and user-friendly service.
12) Door Panels are Removable:1a7ce7f0
1. Unbeatable Pricing Edge
Immerse yourself in a realm of market dominance with our exceptionally competitive ex-factory pricing. This strategic advantage empowers our esteemed clients to not only compete but to consistently triumph over their adversaries. With our pricing, you pave a pathway to remarkable success and unparalleled industry leadership.
2. Seamless Direct Transactions
Experience unparalleled efficiency with products delivered directly from our state-of-the-art manufacturing facility. Our strategically crafted, cost-effective solutions are tailored to meet your precise specifications, ensuring impeccable accuracy and satisfaction throughout every phase of our partnership.
3. Extensive OEM & ODM Solutions
Leverage our extensive production capabilities and expert management team to access premium OEM/ODM services. These meticulously crafted solutions are designed to integrate seamlessly with your specific needs, aligning perfectly with your overarching business objectives and ensuring your success.
4. Tailored Customization Service
We specialize in custom non-standard export orders, offering bespoke solutions across key parameters such as voltage, power, and pressure. Connect with us to discover solutions expertly crafted to meet and exceed your unique needs and demands.
5. Acceptance of Small Orders
Begin your journey with us by placing a small trial order to witness firsthand the exceptional quality and performance our products consistently deliver. Your complete satisfaction is not just our promise-it's our unwavering commitment.
6. Swift Delivery
Benefit from our rapid delivery services, ensuring your operations proceed smoothly and without interruption. Our outstanding product offerings are complemented by prompt delivery, consistently aligning with your schedule.
7. Complete Authorization
Elevate your business prestige with our comprehensive array of authorization certificates. Our distinguished distributors are empowered to confidently represent and champion the esteemed SANZHI brand products, promoting them with pride, assurance, and unwavering confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of innovation and mastery in the realm of air compression. With over a decade of outstanding expertise, Sanzhi has embarked on a transformative journey of technological advancement, crafting an extraordinary lineup of pioneering products. Our offerings include high-performance screw air compressors and groundbreaking screw vacuum pumps, setting unparalleled industry benchmarks. Our product range includes standard and low-pressure screw air compressors, as well as innovative models featuring permanent magnet frequency conversion technology and powerful two-stage compression units. Each screw air compressor is crafted with precision to exceed industry norms, catering to a wide array of applications such as laser cutting, single-tank and double-tank mobile uses, and both electric and diesel mobile configurations. Moreover, our revolutionary screw vacuum pumps are redefining precision and reliability, reinforcing our prestigious position as leaders in the industry.
Our cutting-edge assembly lines exemplify unmatched manufacturing prowess, characterized by exceptional efficiency and production capabilities. Driven by a team of over 50 seasoned experts, we continually enhance our management systems with a robust focus on ERP, ensuring reduced lead times and prompt delivery of our premium products.
Our steadfast dedication to superior management practices is highlighted by our esteemed ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, ensuring that each machine undergoes a comprehensive inspection process. This includes meticulous material evaluations, production analyses, and thorough pre-delivery checks, guaranteeing that only the most exceptional machinery is delivered to our valued clients.
Our unwavering pursuit of exceptional customer service begins with expert pre-sales consultations, aiding clients in selecting the ideal air equipment tailored to their specific needs. Our unparalleled customization capabilities empower us to adjust appearance and configuration to personal preferences, offering OEM services to meet specific dealer requirements. Our dedicated sales and service team ensures prompt and effective responses, promising seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is distinct and focused: to deliver outstanding, reliable products while nurturing lasting customer relationships. By harmoniously combining 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 clients. We provide complimentary transportation from Xinzheng International Airport, just a brief 30 kilometers-a mere 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 an experienced manufacturer, specializing in screw air compressors, with 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 top-notch quality.
2. Our precise assembly procedures uphold exceptional standards of excellence.
3. Every machine undergoes rigorous testing for a minimum of five consecutive hours before dispatch, verifying 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 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 extensive spectrum of voltage configurations, meticulously designed to cater to the diverse regional preferences of our esteemed clientele. Explore the versatility of our offerings, featuring options such as 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to delivering tailor-made solutions, complemented by exceptional customization services, ensures a perfect alignment with your operational requirements. This dedication to flexibility and top-notch performance empowers your business with unparalleled reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage configurations, our streamlined order processing is designed to complete within an impressive 15 working days from confirmation. For bespoke orders, our proactive sales team collaborates intimately with you to establish a timeline that perfectly aligns with your needs, ensuring flawless and prompt delivery. Our meticulous approach guarantees your satisfaction and fosters a relationship rooted in trust, consistently exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for clarity and convenience. Production initiates with an upfront 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 accommodate payments in both USD and RMB, offering flexibility and ease for our valued clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty package is meticulously crafted to offer tranquility and assurance. Benefit from a comprehensive one-year warranty on the entire machine, complemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage offers unrivaled protection, securing your investment with utmost confidence and allowing you to concentrate on your operations with peace of mind.
Q9. What about the maintenance?
A: To ensure peak performance and extend operational life, we recommend initiating maintenance after 500 hours of operation. Thereafter, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is paramount in sustaining exceptional durability and reliability, ensuring your investment continues to deliver outstanding performance over the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are meticulously engineered to excel in high-temperature environments. They operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring steadfast performance even under the most demanding conditions. Your operations will remain robust and efficient, guaranteeing consistent success and productivity.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, supported by our expert design team. We warmly welcome custom orders and are dedicated to bringing your unique ideas to fruition, ensuring your vision is realized with precision and excellence. Partner with us for unparalleled customization and innovation as we endeavor to bring your concepts to life with remarkable quality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for remarkable longevity, typically enjoying an impressive lifespan that exceeds 10 years. This ensures enduring and consistent performance, reliably supporting your operations. Invest in our compressors for lasting dependability and peace of mind, knowing your choice will provide sustained benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to delivering continuous support by supplying crucial spare parts for your machines. This dedication ensures seamless operations, enabling you to maintain peak performance while effectively minimizing downtime. Our commitment to your success is reflected in our comprehensive support and outstanding customer service.
Q14. How about your after-sales service?
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