Immerse yourself in a realm of unparalleled excellence with the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor, a true testament to German engineering prowess. As a distinguished trailblazer in China's compressor sector, Sanzhi (Henan) Compressor Co., Ltd. proudly introduces this groundbreaking innovation. Transform your operational landscape with our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, lauded for setting new factory pricing standards. This engineering marvel, equipped with state-of-the-art Centrifugal Fans, promises exceptional energy efficiency and substantial cost savings, fundamentally redefining operational economics. Crafted with meticulous precision for stationary applications, this robust powerhouse effortlessly meets the rigorous demands of industrial environments, establishing new benchmarks in both performance and reliability. Experience an unmatched standard of excellence that elevates your operational capabilities to extraordinary new heights.
In-Depth Analysis: Embark on an insightful journey into the core of this sophisticated system, concentrating on the Frontside. Uncover the seamless integration of each element, orchestrated to provide extraordinary performance and unwavering reliability.
Revolutionary Working Principle: Embrace the dawn of a new epoch in air compression, where cutting-edge innovation converges with exceptional efficiency. This groundbreaking approach redefines industry benchmarks, delivering unparalleled performance with a focus on sustainability.
At the forefront of air compression technology, our system exemplifies peak efficiency through the masterful synergy of single-stage and multi-stage configurations. Although both systems theoretically have similar energy demands, real-world factors like transmission power losses, bearing friction, and cooling dynamics often elevate energy requirements. By meticulously reducing the compression ratio at each stage, our multi-stage systems achieve exceptional efficiency, significantly curbing energy consumption compared to single-stage counterparts. This sophisticated approach not only enhances system performance but also drastically minimizes energy excess, setting a new revolutionary standard in power efficiency.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel boasts an advanced dual rotary screw mechanism, with each stage featuring an active screw that propels a passive one via a skillfully engineered external power transfer system. The initial stage comprises a low-pressure screw assembly optimized for superior performance, while the subsequent stage houses a high-pressure screw assembly. Central to this elaborate process are sealing air films enveloping each screw, guiding compression through three critical phases: seamless air intake, dynamic pressurization propelling efficiency to unprecedented levels, 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 exemplifies engineering prowess. An intricate low-pressure screw assembly embarks on the process, directing gas into the compression chamber through a precisely calibrated suction valve. As the rotor spins at impressive speeds, the gas experiences initial compression, setting the groundwork for amplified compression in the following phase, thereby preparing the system for outstanding performance.
Second Stage Compression: As gas progresses into the second stage, it enters a meticulously crafted, more confined screw space where both pressure and temperature are precisely elevated to new heights. This process reaches its zenith when the exhaust valve opens, allowing high-pressure gases to seamlessly exit the system. This completes an intricate compression cycle, marked by unparalleled efficiency and sophistication.
The sophisticated air compression journey commences as ambient air effortlessly traverses the air filter, merging with a touch of lubricating oil within the compression chamber. This blend experiences initial compression to intermediate pressure, subsequently undergoing substantial cooling via interaction with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, encountering 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 conclusion 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. |
The water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd. stand as a paragon of precision engineering. They harness the exceptional cooling power of water to provide superior lubrication and longevity to friction-prone components. The circulating cooling water not only meticulously cleanses internal parts but also effectively dissipates heat from both the cylinder and the compressed gas. This sophisticated process dramatically reduces exhaust temperatures and power consumption, resulting in significant operational cost savings. To maintain peak performance, it is essential to regularly monitor and promptly manage any potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is expertly engineered to deliver a remarkable constant torque range with a broad weak magnetic spectrum, showcasing an astounding 20-30% higher efficiency than traditional motors. Even when operating beyond rated frequencies, the PM motor maintains its unmatched efficiency, ensuring optimal performance across all operational conditions.
2) Motor maintenance-free:The innovative permanent magnet motor features a bearing-free design, obliterating the common costs linked to motor bearing maintenance and replacement. This groundbreaking design significantly reduces overall maintenance expenses.
3) Integrated frequency converter: Outfitted with China's premier frequency system, our compressor offers extensive speed regulation with exceptional precision. The system adeptly adjusts in real-time to match gas demands, ensuring maximum energy savings and peak operational efficiency.
4) No transmission loss: Embracing a direct shaft connection design, the compressor integrates an embedded permanent magnet motor for a streamlined and compact architecture. This ingenious approach dispenses with the need for couplings and other transmission components, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:The advanced motor design minimizes impact on power grid equipment, effectively safeguarding electrical systems from potential harm and significantly extending the longevity of the entire system.
6) Reduced energy consumption: Boasting an extraordinary frequency conversion range of 25% to 100% (in contrast to the conventional 50% to 100%), our system delivers over 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than standard variable frequency compressors, offering substantial advantages for systems with variable gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is expertly crafted to integrate first and second-stage compression rotors within a single casing, each rotor driven by individual gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method provides outstanding cooling effects, significantly lowering compressed air temperatures. This results in nearly 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 dramatically reduces the compression ratio for each stage, minimizing internal leakage between high and low-pressure ends, thereby enhancing volumetric efficiency.
10) Noise reduction:The reduced compression ratio in the two-stage system significantly lowers noise levels, especially during unloading operations, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite the advanced two-stage compression design, the remaining components and structures of our system retain similarities to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Built with noise-dampening metal plates and lined with high-density sound-absorbing material, the unit adheres to international noise standards. The door panel can be effortlessly opened and removed, providing 270-degree comprehensive access that greatly facilitates maintenance personnel's entry and boosts 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 stands as a luminary in air compression technology, proudly leveraging over a decade of unmatched industry expertise. As innovators at the forefront, we present an extensive array of cutting-edge products, including state-of-the-art screw air compressors and pioneering screw vacuum pumps. Our diverse collection features not only standard models but also innovative low-pressure screw air compressors, avant-garde permanent magnet frequency conversion units, and highly durable two-stage compression systems. Our screw air compressors redefine industry benchmarks, meticulously designed for laser cutting, adaptable single and double-tank mobile use, as well as versatile electric and diesel mobile applications. Our groundbreaking screw vacuum pumps are crafted with precision and dependability at their core, reaffirming our status as trailblazers in the industry.
Our manufacturing prowess is powered by state-of-the-art assembly lines, achieving unmatched efficiency and effectiveness. With a dedicated team of over 50 skilled professionals, we consistently enhance our management systems, such as ERP, drastically reducing lead times and guaranteeing swift delivery of our superior products.
Our unwavering dedication to exceptional management is underscored by our prestigious ISO9001 quality management system certification. By upholding stringent quality standards and utilizing rigorous control measures, every machine undergoes comprehensive inspections, including material evaluations, production assessments, and meticulous pre-delivery checks. This ensures that only machines of the highest quality reach our cherished customers.
Our dedication to outstanding customer service starts with expert pre-sales consultations, guiding clients to select the ideal air equipment tailored to their unique needs. Our unparalleled customization capabilities allow us to tailor both appearance and configuration to individual preferences and provide OEM services for specific dealer requirements. Our dedicated sales and service team ensures prompt and effective responses, ensuring seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to deliver superior, dependable products while nurturing enduring customer relationships. By merging swift delivery with exemplary product quality and competitive pricing, we establish ourselves as your trusted partner for all-encompassing compressed air solutions.
Nestled in Xinzheng City, Henan Province, China, our facility offers unmatched accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, conveniently situated just 30 kilometers away, a mere hour's drive. We eagerly welcome you to visit our distinguished facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with a specialization in screw air compressors, boasting over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they align with our exceptional quality standards.
2. Our assembly procedures are executed with precision to maintain unparalleled excellence.
3. Every machine is subjected to 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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