Discover the extraordinary 200KW 272HP Screw-Compressor, an exceptional masterpiece offered by one of China's leading suppliers. Immerse yourself in competitive factory prices with our groundbreaking Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor. This engineering marvel, enhanced with premium Centrifugal Fans, promises unprecedented energy savings and outstanding efficiency. Designed for stationary use, it stands as the ultimate powerhouse for demanding industrial environments.
Internal Structure Frontside
Internal Structure Backside
Working Principle
In the realm of air compression, achieving the pinnacle of efficiency involves understanding the intricate power dynamics between single-stage and multi-stage compression. Ideally, the power demands for a single stage would match those of all stages combined. However, real-world settings require more power due to factors like transmission power loss, bearing friction, and the cooling effects of liquid viscosity. By adeptly reducing the compression ratio at each stage, multi-stage compression excels in efficiency, using significantly less power than single-stage systems. This method not only enhances system efficiency but also drastically reduces wasted energy, establishing a new benchmark in power optimization.
Introducing our revolutionary two-stage screw air compressor, a marvel of modern engineering excellence. This advanced machine incorporates a state-of-the-art dual rotary screw system, where each stage features an active screw that powers a passive screw through a precisely engineered external power transfer system. The first stage, with its low-pressure screw assembly, is crafted for peak performance, while the second stage features a high-pressure screw assembly built for precision. Essential to this process are sealing air films enveloping each screw, guiding the compression through three crucial phases: seamless air suction, dynamic pressurization that boosts efficiency, and a precise exhaust phase, completing the cycle with perfection.
First stage compression: The initial phase of the two-stage screw air compressor is a demonstration of engineering mastery. A refined low-pressure screw assembly takes the lead, drawing gas into the compression chamber via a precision-engineered suction valve. As the rotor spins at incredible speeds, the gas undergoes initial compression-a critical step that lays the groundwork for the enhanced compression in the subsequent stage.
Second stage compression: As the gas progresses to the second stage, it enters a specifically designed, more confined screw space, where pressures and temperatures are precisely elevated to new heights. This process culminates with the exhaust valve opening-a crucial moment allowing the high-pressure gases to exit, thereby completing the sophisticated compression cycle with unmatched efficiency.
The intricate journey of air compression begins as natural air passes seamlessly through the air filter, mingling with a trace of lubricating oil in the compression chamber. This blend undergoes initial compression to an intermediate pressure, followed by significant cooling through contact with oil mist in the cooling channel. The cooled gas then moves to the second-stage rotor, undergoing further compression to achieve the desired final exhaust pressure. This meticulously orchestrated cycle reaches its peak as compressed gas is elegantly released through the exhaust valve, marking the conclusion of a comprehensive and highly 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. |
Unveil the centrifugal fan, a masterpiece of German engineering excellence. This sophisticated system ingeniously uses a high-speed rotating impeller to deftly accelerate and decelerate air, ensuring an axial entry into the impeller. This avant-garde design boosts motor cooling efficiency remarkably. Compared to conventional air-cooled fans, this innovative technology ensures a faster reduction in temperature, assuring seamless and uninterrupted compressor operations while significantly extending the compressor's lifespan.
1) Superior Efficiency of PM Motor:The state-of-the-art permanent magnet (PM) motor boasts an expansive constant torque range and a wide weak magnetic range, delivering 20-30% higher efficiency than standard motors. Impressively, the PM motor retains its formidable efficiency even beyond the rated frequency, guaranteeing optimal performance under any condition.
2) Maintenance-Free Motor:The groundbreaking permanent magnet motor features a design devoid of internal bearings, eliminating the typical costs associated with motor bearing maintenance and replacement. This innovative approach significantly slashes overall maintenance expenditures.
3) Seamlessly Integrated Frequency Converter: Equipped with China's foremost frequency system, our compressor offers extensive speed regulation and unmatched precision. This dynamic system adeptly adapts to real-time gas demands, ensuring exceptional energy savings and maximizing operational efficiency.
4) Zero Transmission Loss: The compressor boasts a direct shaft connection structure with the built-in permanent magnet motor, resulting in a sleek, compact design. This breakthrough eliminates the need for couplings and other transmission components, ensuring impeccable 100% transmission efficiency.
5) Gentle Start with Variable FrequencyThis motor notably diminishes the impact on power grid equipment, guarding electrical systems against damage and enhancing system longevity as a whole.
6) Lowered Energy Consumption: Our system operates with a frequency conversion range from an impressive 25% to 100% (compared to the conventional 50% to 100%), delivering over 30% energy savings compared to fixed-speed compressors. Moreover, it offers about 5% more energy savings than typical variable frequency compressors, providing added benefits for systems with fluctuating gas consumption.
7) Advanced Two-Stage Compression Air End:Showcasing an ingenious design, the two-stage compression screw machine incorporates both first and second-stage compression rotors within a single casing. Each rotor is independently gear-driven to attain optimal linear speed, thereby maximizing compression efficiency.
8) Innovative Internal Spray Curtain Cooling: Our highly efficient internal spray curtain cooling method delivers superior cooling effects, drastically reducing compressed air temperatures. This leads to near-isothermal compression, minimized pressure loss between stages, an improved compression ratio, and enhanced overall compression efficiency.
9) Minimized Internal Leakage:The two-stage compression system dramatically reduces the compression ratio for each stage, minimizing internal leakage between high and low-pressure ends and significantly boosting volumetric efficiency.
10) Noise Minimization:The reduced compression ratio in the two-stage system substantially decreases noise levels, especially during unloading operations, ensuring a quieter and more tranquil working environment.
11) Effortless Maintenance and Service:Despite its innovative two-stage compression design, the system's other components and structures closely mirror those of single-stage compressors, ensuring maintenance remains straightforward and service is user-friendly.
12) Removable Door Panels:The unit's casing, crafted from noise-reducing metal plates and lined with high-density sound-absorbing material, aligns with international noise standards. The door panel can be effortlessly opened and detached, providing 270-degree full access, facilitating maintenance personnel's entry, and enhancing service efficiency.
1. Unbeatable Pricing Advantage
We present our clients with incredibly enticing ex-factory pricing, guaranteeing a formidable competitive advantage that keeps them ahead in the marketplace.
2. Seamless Direct Transactions
Our offerings come straight from our factory, allowing us to provide solutions that are exceptionally cost-effective and efficient.
3. Extensive OEM & ODM Solutions
Thanks to our strong production and management expertise, we deliver outstanding OEM/ODM services, meticulously tailored to align with your exact specifications and needs.
4. Tailored Customization Service
We enthusiastically accommodate non-standard export orders, offering customization in aspects like voltage, power, and pressure. Reach out to explore solutions for your distinctive needs.
5. Acceptance of Small Orders
Feel free to initiate a small trial order to personally experience the exemplary quality that our products deliver.
6. Swift Delivery
Benefit from the prompt delivery of our top-tier products, ensuring your timelines remain intact and operations uninterrupted.
7. Complete Authorization
We provide our valued distributors with all-encompassing authorization certificates, equipping you with the assurance to confidently promote our esteemed SANZHI brand products.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of innovation in the air compression sector, showcasing over a decade of unmatched expertise. As a premier manufacturer, we offer a diverse portfolio of technologically advanced products, including screw air compressors and screw vacuum pumps. Our expansive selection encompasses standard and low-pressure screw air compressors, sophisticated permanent magnet frequency conversion models, and durable two-stage compression units. We are also pioneers in specially designed screw air compressors for laser cutting, alongside versatile single-tank and double-tank mobile screw air compressors. Our product line extends to electric and diesel mobile screw air compressors, as well as cutting-edge screw vacuum pumps, all epitomizing precision and reliability.
Our production processes are powered by state-of-the-art assembly lines, pivotal in sustaining remarkable efficiency. With the unwavering support of our dedicated team of over 50 skilled professionals, we consistently enhance our management systems, such as ERP, to minimize lead times and ensure the swift dispatch of our top-tier products.
Excellence in management is a hallmark of our factory, which proudly holds the eminent ISO9001 quality management system certification. We enforce stringent quality standards through rigorous control measures. Every machine undergoes exhaustive inspections, including material verifications, production assessments, and thorough pre-delivery evaluations. This meticulous process ensures that only machines of the highest quality reach our valued customers.
Our expertise in customer service shines from the outset, offering expert pre-sales consultation to guide clients in choosing the perfect air equipment tailored to their exact needs. Our customization capabilities are exceptional, adjusting both appearance and configuration to meet individual preferences, while offering OEM services for specific dealer requirements. Our committed sales and service team provides rapid and effective responses, ensuring flawless after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast dedication is to deliver superior, reliable products while fostering lasting customer relationships. We couple rapid delivery with unmatched product quality and competitive pricing, positioning ourselves as your reliable partner for comprehensive compressed air solutions.
Situated strategically in Xinzheng City, Henan Province, China, our factory enhances client convenience. We offer complimentary transportation from Xinzheng International Airport, merely 30 kilometers away, approximately an hour's journey. We warmly invite you to visit our distinguished 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 expertise to our name.
Q2. How do you control quality?
A: 1. We perform rigorous inspections on all raw materials to guarantee superior quality.
2. Our installation processes are meticulously managed to uphold excellence.
3. Each machine is subjected to a minimum of 5 continuous hours of testing before leaving our facility, ensuring peak performance.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (Unit: CFM or m³/Min)
2. Desired working pressure (Unit: PSI, Bar, or Mpa)
3. Voltage and frequency specifications for your country (V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Provide these details, and we will design a bespoke solution tailored precisely 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 air compressor?
A: Sanzhi air compressors offer an extensive array of voltage options including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Beyond these options, we are pleased to provide tailor-made customization that precisely aligns with your specific needs, guaranteeing both flexibility and convenience for diverse applications.
Q6. How long is the delivery time?
A: For standard voltage specifications, we ensure swift processing of your orders, requiring just 15 working days after confirmation. For uniquely tailored specifications, we invite you to connect with our dedicated sales team, who will offer you comprehensive timelines meticulously tailored to your distinct needs.
Q7. What's the payment term?
A: Our payment terms are crafted for effortless transactions: an initial 30% T/T payment is required as a deposit, followed by an additional 40% T/T prior to shipment. The final 30% T/T is due upon receipt of the B/L copy. We accept both USD and RMB, providing flexibility for our valued clients.
Q8. How about your warranty?
A: We proudly extend a comprehensive one-year warranty covering the entire machine, with an additional two-year warranty specifically for the screw air compressor, excluding consumable spare parts. This ensures substantial coverage, providing you peace of mind with our exceptional products.
Q9. What about the maintenance?
A: To maintain optimal performance and durability, initial maintenance is recommended after the first 500 hours of operation. Subsequent maintenance should occur every 2000-3000 hours, adjusted to meet your specific working conditions, ensuring reliability and longevity of performance.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are precisely engineered to thrive in high-temperature environments. They are capable of operating seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), delivering robust performance even under challenging conditions.
Q11. Do you offer OEM service?
A: Yes, we are delighted to offer both OEM and ODM services, supported by our experienced design team. We warmly welcome your custom orders and are committed to bringing your unique ideas to fruition with precision and expertise.
Q12. How long could your air compressor be used?
A: Our air compressors are crafted with durability in mind, typically providing an impressive lifespan that exceeds 10 years, ensuring reliable, long-lasting performance that upholds your operations consistently.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are dedicated to supporting your operations by supplying essential spare parts for your machines, ensuring a seamless and uninterrupted experience throughout their use.
Q14. How about your after-sales service?
A: We offer outstanding after-sales support, including detailed online instructions for installation and commissioning. Furthermore, our skilled engineers are always available to provide training and installation assistance, ensuring your ultimate satisfaction and confidence in our service.
){kind=link}