Embark on an extraordinary journey into the realm of advanced technology with the Sanzhi 200KW Two-Stage Screw Air Compressor. This masterful creation by Sanzhi (Henan) Compressor Co., Ltd., a leader in the Chinese compressor industry, exemplifies innovation at its finest. Discover a realm of perfection with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, a marvel designed to deliver superior performance with highly competitive factory pricing. At the heart of this engineering wonder are state-of-the-art Centrifugal Fans, enhancing energy efficiency and ensuring substantial energy savings. Tailored for stationary applications, this compressor is an unrivaled powerhouse, meticulously engineered to excel in even the most challenging industrial environments, setting new standards in both performance and reliability.
Internal Structure Frontside
Internal Structure Backside
Working Principle
At the forefront of air compression innovation, Sanzhi (Henan) Compressor Co., Ltd. proudly stands as a leading beacon of technological advancement, setting new benchmarks for efficiency and performance in the industry. Masterfully integrating the strengths of single-stage and multi-stage systems, Sanzhi skillfully navigates and overcomes common hurdles such as transmission power losses, bearing friction, and viscosity-related cooling challenges that typically lead to higher energy consumption. Through precise optimization of compression ratios at each stage, Sanzhi's state-of-the-art multi-stage systems demonstrate unparalleled efficiency, significantly reducing power requirements when compared to traditional single-stage systems. This revolutionary advancement not only enhances overall system performance but also drastically cuts down energy consumption, firmly positioning Sanzhi as a trailblazer in power-efficient, eco-friendly solutions.
Introducing the revolutionary two-stage screw air compressor-an embodiment of cutting-edge engineering excellence. This remarkable device is equipped with an advanced dual rotary screw mechanism, where each phase includes a dynamic active screw that propels a passive screw via a meticulously engineered external power transfer system. The initial phase is composed of a finely tuned low-pressure screw assembly designed for optimal output, while the subsequent phase houses a high-pressure screw assembly. Central to this sophisticated process are the sealing air films surrounding each screw, facilitating the compression journey through three pivotal stages: seamless air intake, vigorous pressurization that boosts efficiency to unprecedented levels, and a precision-completed exhaust stage, defining a new era of air compression.
First stage compression: The two-stage screw air compressor's operation commences with a display of engineering mastery. A sophisticated low-pressure screw assembly expertly navigates gas into the compression chamber through a precisely calibrated suction valve. As the rotor spins at an impressive pace, the gas experiences initial compression, setting the stage for further enhanced compression in the subsequent phase.
Second stage compression: Progressing to the subsequent phase, gas enters a meticulously engineered, more confined screw space where both pressure and temperature are expertly elevated to exceptional levels. The process culminates as the exhaust valve opens, allowing the high-pressure gases to exit, thus completing the intricate compression cycle with unmatched efficiency and sophistication.
The intricate air compression process initiates as ambient air smoothly flows through the air filter, blending seamlessly with a trace of lubricating oil within the compression chamber. This mixture undergoes an initial compression to reach intermediate pressure, followed by substantial cooling through interaction with the oil mist in the cooling channel. The cooled gas then transitions to the second-stage rotor, where it undergoes a secondary compression phase, achieving the desired final exhaust pressure. This expertly coordinated cycle concludes as the compressed gas is elegantly expelled through the exhaust valve, marking the finale of a comprehensive, 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. |
Immerse yourself in the pinnacle of German engineering prowess with our state-of-the-art centrifugal fan. This extraordinary innovation in design and functionality showcases a high-speed rotating impeller, masterfully controlling air velocity. By expertly channeling axial airflow directly into the impeller, it significantly amplifies motor cooling efficiency, far exceeding the performance of conventional air-cooled fans. This cutting-edge design ensures a rapid decline in temperature, facilitating seamless compressor operation and substantially extending its lifespan. A vital asset for any enterprise, it guarantees unparalleled reliability and longevity.
1) Unmatched Efficiency of PM Motor:Embark on a transformative journey into motor efficiency with our groundbreaking permanent magnet (PM) motor. This meticulously engineered motor boasts a robust constant torque range and an extensive weak magnetic range, delivering an impressive 20-30% boost in efficiency compared to standard motors. Even at frequencies that surpass the rated level, the PM motor preserves its exceptional efficiency, consistently achieving peak performance under all scenarios. Elevate your productivity to unprecedented heights.
2) Maintenance-Free Motor:At the forefront of design innovation, our permanent magnet motor is ingeniously constructed without internal bearings. This revolutionary feature eradicates the frequent expenses associated with motor bearing upkeep and replacement, drastically reducing overall maintenance costs while significantly enhancing operational efficiency.
3) Integrated Frequency Converter: Harness the power of China's premier frequency system, seamlessly integrated into our compressor, delivering unmatched precision in speed regulation. This advanced system effortlessly aligns with real-time gas demands, ensuring substantial energy conservation and maximizing operational efficiency, presenting a commanding competitive edge in the industry.
4) Perfected Transmission Efficiency: Revel in the excellence of our compressor's direct shaft connection structure, paired with an integrated permanent magnet motor for a sleek, compact design. This pioneering configuration eliminates the necessity for couplings and other transmission components, guaranteeing flawless 100% transmission efficiency. It establishes a new standard for performance superiority.
5) Variable Frequency and Soft Start:Our cutting-edge motor design markedly reduces the impact on power grid systems, safeguarding electrical infrastructure from potential damage. This pivotal enhancement prolongs the system's lifespan, ensuring consistent and lasting performance over time.
6) Exceptional Energy Savings: Featuring an extraordinary frequency conversion range from 25% to 100% (while traditional systems provide only 50% to 100%), our compressor system achieves over 30% energy savings compared to fixed-speed compressors. Additionally, it offers approximately 5% more energy savings than standard variable frequency compressors, delivering significant cost-effectiveness for systems with variable gas demands.
7) Pioneering Two-Stage Compression Air End:Our precision-engineered two-stage compression screw machine seamlessly integrates the first and second-stage compression rotors within a single casing. Each rotor is drive-geared to maintain optimal linear speed, attaining peak compression efficiency and unmatched reliability.
8) State-of-the-Art Internal Spray Curtain Cooling Method: Revolutionize your air compression process with our high-efficiency internal spray curtain cooling method. It delivers outstanding cooling performance, significantly reducing compressed air temperatures for near-isothermal compression. This minimizes pressure loss between stages and optimizes the compression ratio, enhancing overall operational efficiency.
9) Minimized Internal Leakage:The sophisticated two-stage compression system substantially decreases the compression ratio for each stage, significantly minimizing internal leakage between high and low-pressure ends. This enhancement elevates volumetric efficiency, ensuring superior performance and dependability.
10) Superior Noise Diminishment:Experience a quieter, more serene working environment with our two-stage system's reduced compression ratio, markedly diminishing noise levels, especially during unloading operations. This makes it an ideal choice for any setting where tranquility is paramount.
11) Hassle-Free Maintenance and Service:Unveil the brilliance of our groundbreaking two-stage compression design, meticulously crafted to incorporate the trusted components and configurations of traditional single-stage compressors. This pioneering innovation flawlessly merges the cutting-edge technology with user-friendly maintenance, providing you with a system that guarantees easy serviceability and trouble-free operations. Embrace the forefront of compressor technology while enjoying the uncomplicated sophistication of the past.
12) Removable Door Panels for Optimal Access: Crafted with precision, these panels are designed to ensure that accessing the unit is as efficient and hassle-free as possible.Built with impeccable precision, our unit boasts noise-dampening metal plates and is lined with high-density sound-absorbing material, effortlessly conforming to the most rigorous international noise standards. The ingeniously designed door panel permits effortless opening and removal, providing a generous 270-degree access. This thoughtful design substantially simplifies the tasks of maintenance personnel, enhancing their ability to conduct service duties with extraordinary efficiency and ease.
1. Unmatched Pricing Advantage
Sanzhi (Henan) Compressor Co., Ltd. is thrilled to present our esteemed clients with an unparalleled pricing edge. Our ex-factory prices are astutely refined to bolster your market dominance. This unique benefit empowers our valued partners to consistently outpace their competitors, securing a prestigious and influential market stance across a wide array of industries.
2. Seamless Direct Transactions
Our exceptional Sanzhi 375HP Screw Air Compressor, equipped with a state-of-the-art centrifugal fan, is dispatched directly from our world-class production facility. We guarantee solutions that promise not only exceptional cost-efficiency but also superior performance. Every solution is carefully crafted to meet your exact specifications, ensuring flawless alignment with your operational goals.
3. All-Inclusive OEM & ODM Solutions
Leveraging our extensive manufacturing expertise and managerial proficiency, we offer outstanding OEM/ODM services. These services are meticulously crafted to seamlessly integrate with your unique demands and strategic goals, perfectly aligning with your ambitious vision and guaranteeing exceptional outcomes that reflect our commitment to quality.
4. Tailored Customization Service
Committed to fulfilling distinctive export requirements, we provide bespoke customization options, including voltage, power, and pressure. Collaborate with us to discover solutions expertly designed to meet your exact needs, ensuring a truly unique and personalized experience that surpasses all expectations.
5. Encouragement for Smaller Orders
Commence with a small trial order to experience the outstanding quality and exceptional performance our products consistently offer. This opportunity will enhance your trust in our superior offerings, laying the foundation for a successful and rewarding partnership.
6. Swift Delivery
Take advantage of our rapid delivery service, ensuring top-tier products are quickly dispatched to your location. This dependable service respects your schedule, enabling smooth operations and significantly enhancing your efficiency and productivity.
7. Complete Authorization
We empower our esteemed distributors with full authorization certificates, enabling them to confidently promote and market our prestigious SANZHI brand products, thereby expanding their market influence and reinforcing their credibility with assurance.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands tall as a paragon of excellence and innovation in the dynamic air compression technology sector. With over a decade of distinguished experience, our unparalleled expertise positions us at the pinnacle of the industry. We lead with a remarkable array of pioneering products, such as our advanced screw air compressors and state-of-the-art screw vacuum pumps. Our extensive lineup includes cutting-edge standard and low-pressure screw air compressors, innovative permanent magnet frequency conversion models, and robust two-stage compression units. Our screw air compressors are the industry benchmark, meticulously engineered to meet the demanding requirements of laser cutting applications. Our expansive portfolio includes single and double-tank mobile screw variants, enhanced by both electric and diesel mobile screw air compressors, and uniquely crafted screw vacuum pumps-all designed with unwavering precision and reliability.
Our unmatched manufacturing capabilities are powered by cutting-edge assembly lines, crucial for ensuring exceptional efficiency. With a dedicated team of over 50 highly skilled professionals, we continuously refine our management systems. By leveraging sophisticated ERP solutions, we significantly reduce lead times, ensuring prompt delivery of our exceptional products, providing customers with swift and perfect service.
Our steadfast commitment to superior management is underscored by our prestigious ISO9001 quality management system certification. We rigorously adhere to stringent quality protocols, executing comprehensive control procedures. Each machine undergoes an exhaustive series of inspections, including meticulous material evaluations, thorough production supervision, and extensive pre-delivery checks. This ensures that only extraordinary machines reach our valued customers.
Our dedication to exceptional customer service is evident from the very first interaction. We offer expert pre-sales consultations to assist clients in choosing the optimal air equipment tailored to their specific needs. Our unrivaled customization capabilities allow for modifications in appearance and configuration to suit personal preferences, while offering outstanding OEM services for unique dealer requirements. Our committed sales and service team ensures quick and effective responses, delivering an impeccable after-sales experience that consistently exceeds expectations.
At Sanzhi (Henan) Compressor Co., Ltd., we are steadfastly committed to delivering high-performance, reliable products while nurturing enduring customer relationships. We seamlessly blend rapid delivery with unmatched product quality and competitive pricing, firmly establishing ourselves as your trusted partner for comprehensive compressed air solutions.
Ideally located in Xinzheng City, Henan Province, China, our factory enhances client accessibility with complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away, approximately an hour's drive. We warmly invite you to visit our renowned facility and experience our expertise firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a distinguished manufacturer specializing in screw air compressors, proudly boasting over a decade of verified industry expertise.
Q2. How do you control quality?
A: 1. We conduct rigorous inspections of all raw materials to ensure superior quality from the outset.
2. Our installation procedures are executed with meticulous precision, maintaining excellence throughout the process.
3. Each machine undergoes a stringent minimum of 5 consecutive hours of testing before dispatch to ensure optimal performance.
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 create a bespoke solution meticulously tailored to your precise needs!
Q4. What is the general unit conversion?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32cfm
1KW is equivalent to an impressive 1.34HP, showcasing the robust energy conversion efficiency that is a hallmark of Sanzhi's superior products.
Q5. What is the available voltage air compressor?
A: At Sanzhi Air Compressors, we pride ourselves on offering a comprehensive array of voltage options, specifically curated to accommodate a diverse range of regional needs. Our meticulously designed configurations-380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p-are crafted to integrate seamlessly with your operational frameworks. This commitment to bespoke customization is reflected in our tailored services, ensuring each product aligns perfectly with your unique operational demands, delivering exceptional adaptability and efficiency for all your business ventures.
Q6. How long is the delivery time?
A: For orders with standard voltage specifications, our streamlined processes ensure remarkably swift delivery within a mere 15 working days post order confirmation. For customized orders, our dedicated sales team collaborates closely with you to establish a precise timeline, ensuring a smooth and timely delivery experience tailored precisely to your specific requirements.
Q7. What's the payment term?
A: Our payment terms are carefully crafted for simplicity and convenience. We initiate the process with a 30% T/T deposit, followed by 40% T/T prior to shipment, and finalize with 30% T/T upon receiving the B/L copy. We accept payments in both USD and RMB, offering our valued clients flexibility and ease, ensuring every transaction is smooth and hassle-free.
Q8. How about your warranty?
A: We are proud to offer a comprehensive one-year warranty on the entire machine and an exclusive two-year warranty on the screw air compressor, excluding consumable parts. This extensive coverage offers unparalleled protection and reassurance, providing peace of mind and confidence as you safeguard your valuable investment.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we recommend an initial maintenance session after 500 operating hours, followed by regular service intervals of 2000-3000 hours, tailored to your specific operational environment. This proactive approach guarantees sustained reliability, keeping your equipment in optimal condition and ready to meet your operational demands.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are engineered to thrive in high-temperature environments, performing flawlessly across temperatures from -20°C to 45°C (-4°F to 113°F), ensuring dependable performance even in the most challenging climates.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, backed by our highly skilled and innovative design team. We warmly welcome custom orders and are committed to bringing your unique ideas to life with precision, excellence, and professionalism, ensuring your vision is realized.
Q12. How long could your air compressor be used?
A: Our air compressors are expertly crafted for exceptional durability, typically providing a remarkable lifespan that extends beyond 10 years. This ensures consistent and reliable performance, steadfastly supporting your operations with enduring resilience over time.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to offering unwavering support by providing essential spare parts for your machines, ensuring a seamless and continuous operational experience, empowering you to maintain peak performance and assure uninterrupted productivity.
Q14. How about your after-sales service?
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