Experience the pinnacle of operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a true masterpiece of modern engineering. This remarkable piece of machinery, infused with cutting-edge German technology, is proudly presented by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a frontrunner in the Chinese compressor industry. Prepare to revolutionize your operational efficiency with this pioneering technological innovation. At the heart of this innovation lies our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, which redefines factory pricing strategies by flawlessly merging economic efficiency with superior performance. This strategic powerhouse is an invaluable asset for your business pursuits. Bask in engineering excellence through its state-of-the-art Centrifugal Fans, which skillfully deliver impressive energy savings, thereby significantly reducing your operational costs. Meticulously designed for stationary applications, this sturdy machine excels in fulfilling and surpassing the rigorous demands of industrial settings. It guarantees unmatched performance, durability, and reliability that stand unrivaled. Step into the future of industrial compressors with a product that not only meets but exceeds expectations, driving enhanced productivity and sustainability. Elevate your operations with Sanzhi's trailblazing innovation, where avant-garde technology seamlessly aligns with unwavering reliability.
In-Depth Analysis: Embark on a captivating exploration of the sophisticated intricacies within our product's internal structure - Frontside. Immerse yourself in the remarkable engineering prowess that constitutes the heart of our revolutionary systems. Our meticulous design exemplifies cutting-edge innovation and precision, setting unparalleled new standards in the industry and expanding the horizons of what can be achieved.
Revolutionary Working Principle: Enter a transformative era in air compression technology, anchored by an innovative principle designed to redefine industry paradigms. This revolutionary leap propels performance to unprecedented heights, reshaping our understanding of air compression and reaching a new pinnacle of excellence.
Experience the zenith of air compression advancement, where supreme efficiency is achieved through the harmonious coordination of single-stage and multi-stage systems. Optimal conditions advocate balanced energy distribution, yet real-world applications demand strategic adjustments to overcome transmission losses, bearing friction, and cooling effects. By precisely calibrating the compression ratio at each stage, multi-stage systems attain remarkable efficiency, significantly lowering power consumption compared to single-stage systems. This refined approach not only enhances overall system performance but also dramatically reduces surplus energy use, establishing a revolutionary benchmark in power optimization.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This state-of-the-art marvel features a sophisticated dual rotary screw configuration, with each stage incorporating an active screw that energizes a passive counterpart via a meticulously engineered external power transfer mechanism. The initial stage is governed by an optimized low-pressure screw assembly, followed by a high-pressure screw assembly in the subsequent phase. Essential to this advanced mechanism are the sealing air films encasing each screw, guiding compression through three pivotal phases: seamless intake, dynamic pressurization that elevates efficiency to unparalleled heights, and a precise exhaust phase, completing the cycle with unmatched precision.
First Stage Compression: The initial phase of the two-stage screw air compressor embodies exceptional engineering. A finely-tuned low-pressure screw assembly leads, channeling gas into the compression chamber through an expertly engineered suction valve. As the rotor spins at impressive velocities, the gas undergoes preliminary compression, setting the stage for enhanced compression in the subsequent phase, thereby priming the system for outstanding performance and efficiency.
Second Stage Compression: Progressing to the second stage, the gas is adeptly directed into a uniquely compact screw space, where both pressure and temperature are strategically heightened to extraordinary levels. This phase reaches its peak as the exhaust valve opens, permitting high-pressure gases to exit the system and conclude an intricate compression cycle characterized by remarkable efficiency and sophistication.
The sophisticated air compression journey begins as ambient air flows effortlessly through the air filter, seamlessly merging with a touch of lubricating oil in the compression chamber. This blend undergoes initial compression to reach intermediate pressure, followed by significant cooling through oil mist interaction 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 culminates 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 unparalleled precision and unmatched engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors. These cutting-edge machines seamlessly unite innovation and practicality, leveraging water's superior cooling prowess to enhance lubrication and dramatically extend the lifespan of wear-prone components. Through the utilization of the latest technology, these compressors meticulously purify internal components while efficiently dissipating heat from cylinders and compressed air, resulting in substantially reduced exhaust temperatures and noticeably lower power consumption. This leads to remarkable operational cost savings. To maintain peak performance and unwavering reliability, it is crucial to vigilantly monitor the cooling system and proactively address potential scaling issues.
1) High efficiency of PM motor:Unlock the potential of our groundbreaking permanent magnet (PM) motor, engineered for exceptional performance with a consistent torque range and an extensive weak magnetic spectrum. This translates to a striking 20-30% efficiency enhancement compared to traditional motors, even beyond rated frequencies. The PM motor upholds outstanding efficiency, ensuring top-tier performance in any condition.
2) Motor maintenance-free:Introducing our trailblazing permanent magnet motor with a bearing-free design, effectively eliminating the conventional costs of motor bearing maintenance and replacement. This pioneering design dramatically cuts down overall maintenance expenses.
3) Integrated frequency converter: Empowered by China's leading frequency system, our compressor offers extensive speed regulation with unparalleled precision. This adaptive system seamlessly aligns with real-time gas demands, guaranteeing optimal energy efficiency and superior operational performance.
4) No transmission loss: Boasting an innovative direct shaft connection design paired with a cutting-edge permanent magnet motor, our compressor features a streamlined and compact structure. This forward-thinking design eradicates the need for couplings and other transmission components, ensuring impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design significantly eases strain on power grid equipment, protecting electrical systems from potential damage and greatly extending the system's lifespan.
6) Reduced energy consumption: Featuring a remarkable frequency conversion range from 25% to 100%, surpassing the standard 50% to 100%, our system achieves over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency models. This provides significant benefits for systems with varying gas consumption.
7) Unique two-stage compression air end:Our expertly crafted two-stage compression screw machine integrates both primary and secondary compression rotors within a single casing. Each rotor operates independently, driven by gears for optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method is engineered to deliver outstanding cooling performance, substantially reducing compressed air temperatures. This state-of-the-art 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 efficiently reduces compression ratios for each stage, significantly lowering internal leakage between high and low-pressure ends and enhancing volumetric efficiency.
10) Noise reduction:Within our two-stage system, a reduced compression ratio notably lessens noise levels, especially 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 mirror those of single-stage compressors, ensuring straightforward maintenance and user-friendly serviceability.
12) Door Panels are Removable:Crafted with sound-dampening metal panels and lined with high-density sound-absorbing materials, the unit adheres to international noise standards. The removable door panels offer extensive 270-degree accessibility, greatly simplifying maintenance tasks and elevating service efficiency.
1. Unbeatable Pricing Edge
Step into a world of market supremacy with our extraordinarily competitive ex-factory pricing. This unrivaled advantage empowers our esteemed clients not just to compete but to consistently excel beyond their rivals, paving the way for extraordinary success and industry eminence.
2. Seamless Direct Transactions
Embrace a new benchmark of operational efficiency as we deliver products directly from our cutting-edge manufacturing facility. Our economically astute solutions, meticulously crafted, are tailored to meet your exact specifications, ensuring unrivaled precision and satisfaction throughout your partnership with us.
3. Extensive OEM & ODM Solutions
Harness our expansive production capabilities and expert management to unlock premium OEM/ODM services. These sophisticated solutions are custom-designed to seamlessly align with your distinct requirements and synchronize perfectly with your overarching business objectives, ensuring unparalleled success.
4. Tailored Customization Service
We specialize in personalizing non-standard export orders by offering bespoke solutions in critical parameters like voltage, power, and pressure. Engage with us to uncover custom-fit solutions expertly crafted to meet and exceed your exclusive needs and expectations.
5. Acceptance of Small Orders
Initiate your experience with us by placing a small trial order, allowing you to witness the exceptional quality and reliability that our products consistently deliver. Complete satisfaction is our unwavering assurance and commitment to you.
6. Swift Delivery
Take advantage of our enhanced delivery services, ensuring your operations proceed seamlessly and without disruption. Our outstanding product offerings are complemented by prompt delivery, reliably aligning with your timelines every time.
7. Complete Authorization
Elevate your business profile with our comprehensive array of authorization certificates. Our distinguished distributors can confidently champion the prestigious SANZHI brand products, promoting them with pride, assurance, and unyielding confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a paragon of excellence in the air compression industry, leveraging over ten years of unrivaled expertise. We have embarked on a pioneering journey in technological innovation, resulting in a prestigious collection of cutting-edge products. Our lineup features high-performance screw air compressors and revolutionary screw vacuum pumps, including standard and low-pressure models, along with those incorporating permanent magnet frequency conversion technology and robust two-stage compression units. Meticulously designed, each screw air compressor is engineered to surpass industry standards, excelling in diverse applications such as laser cutting, versatile single-tank and double-tank mobile uses, and both electric and diesel mobile configurations. Our pioneering screw vacuum pumps set new benchmarks in precision and reliability, further cementing our esteemed position as industry leaders.
With cutting-edge assembly lines, our manufacturing prowess is unmatched, exemplifying exceptional efficiency and production capabilities. Driven by a team of over 50 seasoned professionals, we continually advance our management systems with a strong focus on ERP, ensuring significantly reduced lead times and prompt delivery of our top-tier products.
Our steadfast commitment to superior management practices is exemplified by our esteemed ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, certifying that each machine undergoes an exhaustive inspection regimen. This includes thorough material evaluations, production analyses, and comprehensive pre-delivery checks, ensuring that only the finest machinery reaches our esteemed clients.
Our relentless commitment to exceptional customer service starts with expert pre-sales consultations, assisting clients in selecting the perfect air equipment tailored to their unique needs. Our unparalleled customization capabilities empower us to tailor both appearance and configuration to personal tastes, offering OEM services to meet specific dealer requirements. Our dedicated sales and service team ensures swift and effective responses, providing seamless and dependable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is clear: to deliver exceptional, reliable products while nurturing enduring customer relationships. By seamlessly integrating rapid delivery, premium product quality, and competitive pricing, we stand as your trusted partner for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory offers unparalleled convenience for clients. We provide complimentary transportation from Xinzheng International Airport, just 30 kilometers away-a mere hour's drive. We warmly invite you to visit our distinguished facilities.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced 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 rigorous minimum of five consecutive hours of testing before dispatch, ensuring 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 aligned with your requirements!
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 air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we proudly present a vast array of voltage options, each meticulously crafted to cater to the diverse regional needs of our esteemed clientele. Our offerings include versatile configurations such as 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast dedication to creating bespoke solutions, along with exceptional customization services, ensures a perfect harmony with your operational requirements. This unwavering commitment promises unparalleled adaptability and superior performance, empowering your business with unmatched reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing guarantees completion within an impressive 15 working days after confirmation. For customized orders, our proactive sales team collaborates closely with you to devise a timeline that aligns seamlessly with your requirements, ensuring a smooth and punctual delivery. This meticulous approach assures your satisfaction and nurtures a trust-filled relationship, consistently surpassing expectations.
Q7. What's the payment term?
A: Our payment terms are structured for utmost convenience and simplicity. The production process initiates with an initial 30% T/T payment, followed by a 40% T/T pre-shipment installment, 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 convenience for our valued clients, ensuring a seamless and streamlined transactional experience.
Q8. How about your warranty?
A: Our warranty package is thoughtfully designed to offer you peace of mind and assurance. Benefit from a comprehensive one-year warranty on the entire machine, complemented by an additional two-year warranty on the screw air compressor, with the exception of consumable parts. This extensive protection offers unparalleled security, safeguarding your investment while enabling you to focus on your operations stress-free.
Q9. What about the maintenance?
A: To ensure peak performance and a prolonged operational lifespan, we recommend initiating maintenance after the initial 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advisable, customized to your specific working conditions. This routine maintenance is crucial for maintaining superior durability and reliability, ensuring your investment continues to deliver exceptional performance over time.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly engineered to thrive in high-temperature environments. They operate effortlessly across a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing reliable performance even in the most challenging conditions. Your operations will remain robust and productive, ensuring continued success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, backed by our expert design team. We warmly welcome custom orders and are committed to bringing your unique ideas to fruition, ensuring your vision is realized with precision and excellence. Partner with us for unmatched customization and innovation as we strive to transform your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are precision-engineered to deliver remarkable longevity, typically offering an impressive lifespan exceeding 10 years. This ensures consistent and enduring performance, reliably supporting your operations. Invest in our compressors for long-term dependability and peace of mind, knowing your choice will yield sustained benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are devoted to providing continuous support by supplying essential spare parts for your machines. This commitment ensures uninterrupted operations, enabling you to maintain optimal 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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