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 power dynamics between single-stage and multi-stage compression. In an ideal setting, the power demands for a single stage would mirror those of multiple stages combined. However, real-world scenarios often necessitate greater power consumption due to inevitable factors such as transmission power loss, bearing friction, and the viscosity-induced cooling effects of liquids. By skillfully reducing the compression ratio at each stage, multi-stage compression emerges as a champion in efficiency, demanding significantly less power than its single-stage counterpart. This method not only amplifies the system's efficiency but also slashes unnecessary energy consumption, setting a new standard in power optimization.
Introducing the cutting-edge two-stage screw air compressor, a marvel in modern engineering. This sophisticated machine features an innovative dual rotary screw mechanism, where each stage comprises an active screw, which drives a passive screw through an expertly crafted external power transfer system. The first stage boasts a low-pressure screw assembly, strategically designed for optimal performance, while the second stage is meticulously built with a high-pressure screw assembly. Integral to this process are sealing air films that envelop each screw, guiding the compression journey through three crucial phases: the seamless suction of air, the dynamic pressurization that elevates the system's efficiency, and the final exhaust phase that completes the sequence with precision.
First stage compression: The initial phase of the two-stage screw air compressor is a testament to engineering excellence. A sophisticated low-pressure screw assembly takes center stage, drawing gas into the compression chamber through a precision-engineered suction valve. As the rotor whirls at remarkable speeds, the gas experiences initial compression, a crucial step that sets the stage for the enhanced compression awaiting in the second phase.
Second stage compression: As the gas advances to the second stage, it enters a specially designed, more confined screw space, where pressures and temperatures are meticulously elevated to new heights. The process culminates with the opening of the exhaust valve, a pivotal moment that allows the high-pressure gases to exit the system, thus completing the sophisticated compression cycle with unparalleled efficiency.
The intricate journey of air compression begins with natural air seamlessly passing through the air filter, where it mingles with a trace of lubricating oil within the compression chamber. This blend undergoes an initial compression to an intermediate pressure, only to be significantly cooled through intimate contact with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, where it experiences a secondary compression phase, achieving the desired final exhaust pressure. This meticulously orchestrated cycle reaches its zenith as the compressed gas is elegantly released through the exhaust valve, marking the culmination of a 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. |
Discover the centrifugal fan, a pinnacle of German engineering brilliance. This advanced system employs a high-speed rotating impeller to skillfully accelerate and decelerate air. Its innovative design ensures axial airflow entry into the impeller, dramatically enhancing motor cooling efficiency. In comparison to traditional air-cooled fans, this state-of-the-art mechanism achieves swifter temperature reduction, guaranteeing seamless and uninterrupted compressor functionality while extending the lifespan of your compressor.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor delivers an extensive constant torque range alongside a broad weak magnetic range. It surpasses regular motors in efficiency by an extraordinary 20-30%. Remarkably, the PM motor maintains its exceptional efficiency even beyond the rated frequency, ensuring peak performance under all conditions.
2) Motor maintenance-free:The revolutionary permanent magnet motor is designed without internal bearings, eradicating typical expenses linked with motor bearing maintenance and replacement. This forward-thinking design choice significantly reduces overall maintenance costs.
3) Integrated frequency converter: Featuring China's leading frequency system, our compressor offers a vast speed regulation and unparalleled precision. This system dynamically adjusts to actual gas demands, delivering exceptional energy savings and maximizing operational efficiency.
4) No transmission loss: The compressor showcases a direct shaft connection structure with the embedded permanent magnet motor, presenting a sleek and compact design. This innovation eliminates the need for couplings and other transmission components, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft startThe motor significantly reduces impact on power grid equipment, protecting electrical systems from damage and enhancing the overall longevity of the system.
6) Reduced energy consumption: Our system, with a frequency conversion range from a remarkable 25% to 100% (versus the conventional 50% to 100%), achieves over 30% energy savings compared to fixed-speed compressors. Additionally, it offers approximately 5% more energy savings than typical variable frequency compressors, providing even more advantages for systems with varying gas consumption.
7) Unique two-stage compression air end:Featuring an ingenious design, the two-stage compression screw machine seamlessly integrates both first and second-stage compression rotors within a single casing. Each rotor is individually gear-driven to achieve optimal linear speed, thus maximizing compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers superior cooling effects, substantially lowering compressed air temperatures. This results in near-isothermal compression, reduced pressure loss between stages, decreased compression ratio, and enhanced overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly reduces the compression ratio for each stage, minimizing internal leakage between high and low-pressure ends and boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio in the two-stage system notably lowers noise levels, particularly during unloading operations, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite its innovative two-stage compression design, our system's other components and structures closely resemble those of single-stage compressors, ensuring ease of maintenance and user-friendly service.
12) Door Panels are Removable:The unit's casing, constructed from noise-dampening metal plates and lined with high-density sound-absorbing material, meets international noise standards. The door panel can be conveniently opened and detached, offering 270-degree comprehensive access, facilitating maintenance personnel's entry into the unit, and boosting 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 are available in a broad range of voltage options including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Additionally, we offer tailor-made customization to precisely fit your specific requirements, ensuring flexibility and convenience.
Q6. How long is the delivery time?
A: For standard voltage specifications, we process your orders with unmatched efficiency, requiring merely 15 working days post confirmation. For orders with unique specifications, please contact our dedicated sales team, who will provide you with comprehensive timelines specifically crafted to suit your unique needs.
Q7. What's the payment term?
A: Our payment terms are structured for seamless transactions: an initial 30% T/T payment is required upfront, supplemented by a subsequent 40% T/T before shipment, with the concluding 30% T/T due upon receipt of the B/L copy. We accept payments in both USD and RMB, offering versatility for our esteemed clients.
Q8. How about your warranty?
A: We proudly offer a robust one-year warranty covering the entire machine, along with an extended two-year warranty specifically for the screw air compressor, excluding consumable spare parts, ensuring you are well-protected with exceptional coverage.
Q9. What about the maintenance?
A: To sustain optimal performance, initial maintenance should be carried out after the first 500 hours of operation. Subsequent maintenance is recommended every 2000-3000 hours, adjusted to your specific working environment conditions to guarantee longevity and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are meticulously engineered to excel in high-temperature environments, designed to operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring sturdy performance even under challenging conditions.
Q11. Do you offer OEM service?
A: Yes, we are proud to offer both OEM and ODM services, powered by our seasoned design team. We enthusiastically welcome your custom orders and are dedicated to transforming your unique ideas into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are built with resilience, typically offering an outstanding lifespan exceeding 10 years, ensuring reliable and enduring performance for your operations.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are devoted to supporting you with the provision of essential spare parts for your machines, ensuring a seamless and uninterrupted experience.
Q14. How about your after-sales service?
A: We provide exceptional after-sales support, including comprehensive online instructions for installation and commissioning. Additionally, our expert engineers are readily available for training and installation assistance, ensuring your complete satisfaction.
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