Step into a world of unmatched excellence with the revolutionary Sanzhi 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor, a shining example of German engineering mastery. As a leading innovator within China's compressor industry, Sanzhi (Henan) Compressor Co., Ltd. is proud to unveil this groundbreaking advancement that is set to transform your operations. Our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor stands out in the market, recognized for setting unparalleled factory pricing benchmarks. Equipped with advanced Centrifugal Fans, this engineering marvel ensures exceptional energy efficiency and remarkable cost savings, fundamentally changing the economics of operation. Designed with exquisite precision for stationary applications, this robust powerhouse effortlessly addresses the demanding requirements of industrial environments, setting new standards in performance and reliability. Elevate your operational capabilities to extraordinary new heights with this unmatched standard of excellence.
In-Depth Analysis: Dive deep into the very heart of this advanced system, with a special focus on the Frontside. Witness the flawless orchestration of every component, designed to deliver remarkable performance and steadfast reliability.
Revolutionary Working Principle: Welcome the dawn of a new era in air compression technology, where pioneering innovation meets outstanding efficiency. This groundbreaking methodology reshapes industry standards, presenting extraordinary performance with a keen emphasis on sustainability.
Leading the way in air compression technology, our system showcases pinnacle efficiency through the artful harmony of single-stage and multi-stage configurations. While theoretically similar in energy demands, real-world influences like transmission power losses, bearing friction, and cooling dynamics often elevate energy requirements. By carefully minimizing the compression ratio at each stage, our multi-stage systems attain remarkable efficiency, substantially reducing energy consumption compared to single-stage systems. This advanced strategy not only amplifies system performance but also dramatically curtails energy wastage, establishing a groundbreaking standard in power efficiency.
Presenting the innovative 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological wonder features a sophisticated dual rotary screw mechanism, where each stage includes an active screw that drives a passive one through a meticulously crafted external power transfer system. The initial stage boasts a low-pressure screw assembly optimized for superior performance, while the next stage houses a high-pressure screw assembly. Central to this intricate process are sealing air films surrounding each screw, guiding compression through three vital phases: smooth air intake, dynamic pressurization boosting efficiency to unprecedented heights, and the final exhaust phase, culminating the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of the two-stage screw air compressor showcases engineering excellence. A complex low-pressure screw assembly initiates the process, directing gas into the compression chamber through a precisely calibrated suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, setting the stage for enhanced compression in the subsequent phase, hence preparing the system for outstanding performance.
Second Stage Compression: As gas transitions into the second stage, it enters a finely engineered, more compact screw space where both pressure and temperature are meticulously elevated to new levels. This process reaches its peak when the exhaust valve opens, allowing high-pressure gases to smoothly exit the system. This completes a sophisticated compression cycle, marked by unparalleled efficiency and refinement.
The refined air compression journey begins as ambient air seamlessly passes through the air filter, blending with a touch of lubricating oil within the compression chamber. This mixture undergoes initial compression to intermediate pressure, then experiences substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, encountering a second 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 end of 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. |
Sanzhi (Henan) Compressor Co., Ltd. presents an engineering marvel with their water-cooled compressors, epitomizing precision craftsmanship. These ingeniously designed machines utilize water's extraordinary cooling prowess to ensure exceptional lubrication, vastly extending the lifespan of components susceptible to friction. The circulating cooling water system meticulously cleanses internal parts while skillfully dispelling heat from both the cylinder and compressed gas. This sophisticated cooling mechanism significantly curtails exhaust temperatures and decreases power usage, culminating in remarkable operational cost efficiencies. To preserve this pinnacle of performance, it is crucial to vigilantly monitor and swiftly address any potential scaling within the cooling system.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor exemplifies engineering excellence, delivering a phenomenal constant torque range alongside an expansive weak magnetic spectrum. With an astonishing 20-30% efficiency boost over traditional motors, the PM motor excels even beyond rated frequencies, maintaining unrivaled efficiency and ensuring optimal performance across all operational scenarios.
2) Motor maintenance-free:This revolutionary permanent magnet motor showcases a bearing-free design, eliminating the routine costs associated with motor bearing maintenance and replacement. Such an innovative design impressively diminishes total maintenance expenditures.
3) Integrated frequency converter: Equipped with China's leading frequency system, our compressor features expansive speed modulation with precise accuracy. This advanced system dynamically adjusts to meet gas demands in real-time, ensuring maximum energy efficiency and peak operational performance.
4) No transmission loss: With a visionary direct shaft connection design, our compressor incorporates an embedded permanent magnet motor within a sleek, compact architecture. This innovative approach eradicates the need for couplings and other transmission components, achieving impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:The advanced motor design deftly minimizes impact on power grid equipment, shielding electrical systems from potential damage and significantly prolonging the lifespan of the entire system.
6) Reduced energy consumption: Featuring an unparalleled frequency conversion range from 25% to 100% (compared to the typical 50% to 100%), this system achieves over 30% energy savings relative to fixed-speed compressors and approximately 5% more savings than standard variable frequency compressors, offering sizeable benefits for applications with variable gas consumption demands.
7) Unique two-stage compression air end:This meticulously engineered two-stage compression screw machine integrates first and second-stage compression rotors within a single housing, each powered by individual gears to ensure optimal linear speed and exceptional compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method delivers unparalleled cooling performance, significantly lowering compressed air temperatures. This leads to almost isothermal compression, reduced pressure loss between stages, a lower compression ratio, and enhanced overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system considerably reduces the compression ratio for each stage, effectively minimizing internal leakage between high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:The lowered compression ratio in the two-stage system markedly diminishes noise levels, particularly during unloading operations, ensuring a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite the sophisticated two-stage compression design, the remaining components and structures of our system maintain likenesses to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Constructed with noise-reducing metal plates and lined with high-density sound-absorbing material, the unit complies with international noise standards. The door panel can be seamlessly opened and removed, providing 270-degree comprehensive access that greatly facilitates maintenance personnel's entry and enhances service efficiency.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market presence with our remarkably competitive ex-factory pricing. This distinctive advantage empowers our clients to not only outperform rivals but also secure a formidable position in their industry landscapes, making their mark with undeniable impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Benefit from unmatched efficiency and direct dealings as our products are dispatched straight from our state-of-the-art manufacturing facility. Our economically savvy solutions are meticulously engineered to match your specifications, ensuring precision and ultimate satisfaction every step of the way.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our extensive production prowess and expert management to offer superior OEM/ODM services. These solutions are crafted to integrate seamlessly with your precise needs and strategic business goals, ensuring your vision is realized with excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we offer bespoke customization across parameters like voltage, power, and pressure. Contact us to uncover personalized solutions crafted to meet your distinct requirements with precision.
5. Acceptance of Small Orders: Discover Our Quality
Begin with a small trial order to experience the outstanding quality and consistent performance our products promise. Your satisfaction is our ultimate commitment, and we aim to exceed your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our rapid delivery services, meticulously designed to keep your operations seamless and uninterrupted. With our top-tier products, your schedules are prioritized and always adhered to with precision.
7. Complete Authorization: Empower Your Enterprise
Strengthen your enterprise with our comprehensive authorization certificates. Our esteemed distributors are fully equipped and empowered to market the prestigious SANZHI brand products with unyielding confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines brilliantly in the realm of air compression technology, boasting over 10 years of unparalleled industry mastery. As visionaries leading the charge, we offer a comprehensive suite of innovative products, including state-of-the-art screw air compressors and groundbreaking screw vacuum pumps. Our diverse collection not only encompasses standard models but also includes pioneering low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and robust two-stage compression systems engineered for longevity. Our screw air compressors set new industry standards, meticulously crafted for laser cutting, adaptable single and double-tank mobile use, alongside versatile electric and diesel mobile applications. Our revolutionary screw vacuum pumps are forged with precision and reliability, reinforcing our reputation as industry trailblazers.
Our manufacturing excellence is driven by cutting-edge assembly lines, achieving unparalleled efficiency and effectiveness. With a dedicated team of over 50 adept professionals, we continuously refine our management systems, such as ERP, significantly curtailing lead times and ensuring the swift delivery of our top-tier products.
Our steadfast commitment to superior management is exemplified by our distinguished ISO9001 quality management system certification. By maintaining stringent quality protocols and employing rigorous control measures, each machine undergoes exhaustive inspections, encompassing material evaluations, production assessments, and meticulous pre-delivery checks. This guarantees that only machines of the highest quality reach our esteemed customers.
Our devotion to outstanding customer service begins with expert pre-sales consultations, guiding clients to select the ideal air equipment tailored to their specific requirements. Our unrivaled customization capabilities allow us to tailor both appearance and configuration to individual preferences and provide OEM services for specific dealer requirements. Our committed sales and service team ensures prompt and effective responses, guaranteeing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver superior, reliable products while fostering enduring customer relationships. By combining rapid delivery with outstanding product quality and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Situated in Xinzheng City, Henan Province, China, our facility offers unparalleled accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, a mere hour's drive. We warmly invite you to visit our esteemed facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer specializing in screw air compressors, with over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly procedures are executed with precision to maintain unparalleled excellence.
3. Every machine undergoes a minimum of five continuous hours of rigorous testing before dispatch, ensuring peak performance and reliability.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (expressed in CFM or m³/Min)
2. Desired working pressure (expressed in PSI, Bar, or Mpa)
3. Voltage and frequency specifications for your country (expressed in V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Provide these details, and we will craft a bespoke solution precisely tailored to 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 unveil a dynamic range of voltage options, each meticulously tailored to meet the unique demands of various regions worldwide. Select from our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to providing bespoke solutions through exclusive customization services ensures our products seamlessly integrate with your operational needs. This steadfast commitment results in unparalleled adaptability and efficiency, empowering your business with the pinnacle of performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we stand out with our rapid order processing, achieving completion within an impressive 15 working days following order confirmation. For custom orders, our proactive sales team will collaborate closely with you to tailor a timeline that aligns perfectly with your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail guarantees your ultimate satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted to offer simplicity and convenience. We initiate production with an initial 30% T/T payment, then proceed with a 40% T/T before shipment, concluding with the final 30% T/T payment upon receipt of the B/L copy. We facilitate transactions in both USD and RMB currencies, providing flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty on the complete machine, supplemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage offers unmatched protection and peace of mind, safeguarding your investment with premier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we recommend initiating maintenance after the initial 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 optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly engineered to excel in high-temperature environments. They operate smoothly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent functionality even under the most demanding conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly provide both OEM and ODM services, backed by our skilled design team. We enthusiastically welcome custom orders and are committed to actualizing your unique ideas with precision and excellence. Partner with us for unparalleled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for longevity, typically offering an extraordinary lifespan of over 10 years. This guarantees reliable and enduring performance, consistently supporting your operations over the years. Invest in our compressors for long-term dependability.
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 ensures seamless operations and reduces downtime, enabling you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly devoted to delivering exceptional after-sales service. Our comprehensive offerings encompass detailed online guides for installation and commissioning, along with access to our expert engineers for training and installation assistance. Your satisfaction and success are our top priorities, ensuring you receive unparalleled support.
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