Immerse yourself in the unparalleled excellence of the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor with German Technology. Sanzhi (Henan) Compressor Co., Ltd., a venerated leader in China's compressor industry, proudly brings you this stellar innovation. Transform your operational landscape with our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, heralded as a revolutionary force in factory pricing benchmarks. This marvel of engineering, featuring advanced Centrifugal Fans, achieves extraordinary energy efficiency and substantial cost savings. Crafted with meticulous precision for stationary applications, this formidable workhorse seamlessly caters to the demanding needs of industrial environments, establishing new heights in performance and reliability.
In-Depth Analysis: Delve into the intricate and comprehensive view of the internal structure - Frontside
Revolutionary Working Principle: Ushering in a new era of air compression innovation
Steering the forefront of air compression technology with unmatched precision, supreme efficiency is masterfully achieved by harmonizing single-stage and multi-stage systems. Despite theoretical parity in energy consumption, practical applications reveal additional energy requirements due to factors such as transmission power losses, bearing friction, and cooling effects. Through astute minimization of the compression ratio at each stage, multi-stage systems reach unparalleled efficiency, dramatically reducing power consumption compared to their single-stage counterparts. This sophisticated method not only elevates overall system performance but also significantly curtails excess energy use, establishing a groundbreaking benchmark in power optimization.
Introducing the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel features a cutting-edge dual rotary screw mechanism, where each stage incorporates an active screw driving a passive screw through a meticulously designed external power transfer system. The first stage is outfitted with a low-pressure screw assembly, optimized for peak performance, while the second stage hosts a high-pressure screw assembly. Integral to this advanced process are sealing air films encasing each screw, navigating compression through three pivotal phases: seamless air intake, dynamic pressurization elevating efficiency to unprecedented levels, and the concluding exhaust phase, finalizing the cycle with unmatched precision and expertise.
First Stage Compression: The initiation phase of the two-stage screw air compressor epitomizes engineering excellence. A sophisticated low-pressure screw assembly spearheads the process, channeling gas into the compression chamber through a precisely engineered suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, priming the system for intensified compression in the subsequent phase, thus preparing the system for extraordinary performance.
Second Stage Compression: As the gas enters the second stage, it progresses into a uniquely designed, more confined screw space, where both pressure and temperature are meticulously elevated to new heights. This process reaches its zenith as the exhaust valve opens, allowing high-pressure gases to exit the system. This marks the conclusion of an intricate compression cycle characterized by unparalleled efficiency and sophistication.
The sophisticated journey of air compression begins as ambient air gracefully passes through the air filter, blending with a touch of lubricating oil within the compression chamber. This mixture undergoes initial compression to intermediate pressure, followed by significant cooling through interaction with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, encountering a secondary compression phase, reaching 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. |
Water-cooled compressors by Sanzhi (Henan) Compressor Co., Ltd. are the pinnacle of precision engineering and innovation. By harnessing the exceptional cooling capacity of water, these compressors deliver unparalleled lubrication and extend the lifespan of components prone to friction. The advanced circulating cooling water system meticulously cleanses internal parts while effectively dissipating heat from both the cylinder and compressed gas. This sophisticated cooling process drastically reduces exhaust temperatures and power consumption, resulting in significant savings on operational costs. To maintain peak performance, regular monitoring and proactive management of potential scaling issues within the cooling system are crucial.
1) High efficiency of PM motor:The cutting-edge permanent magnet (PM) motor is a marvel of engineering, designed to provide a constant torque range and an expansive weak magnetic spectrum with an astounding 20-30% higher efficiency than conventional motors. Even when operating at frequencies beyond the standard level, this PM motor maintains its superior efficiency, ensuring optimal performance across all operating conditions.
2) Motor maintenance-free:Ingeniously designed, our permanent magnet motor is built with a bearing-free construction, eliminating the typical costs and hassles associated with motor bearing maintenance and replacement. This groundbreaking design significantly reduces overall maintenance expenditures, offering a hassle-free user experience.
3) Integrated frequency converter: Our compressor, equipped with China's top-tier frequency system, facilitates extensive speed regulation and precision control. The system intelligently adjusts in real-time to varying gas demands, ensuring maximum energy savings and peak operational efficiency.
4) No transmission loss: The compressor's direct shaft connection design, featuring an integrated permanent magnet motor, results in a sleek and compact structure. This innovative design eliminates the need for couplings and other transmission components, achieving an outstanding 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design minimizes the impact on power grid equipment, safeguarding electrical systems from potential damage and extending the overall longevity of the system.
6) Reduced energy consumption: With a remarkable frequency conversion range of 25% to 100% (as opposed to the conventional 50% to 100%), our system delivers over 30% energy savings compared to fixed-speed compressors and approximately 5% more energy savings than standard variable frequency compressors. This provides significant advantages for systems with fluctuating gas consumption needs.
7) Unique two-stage compression air end:Our expertly engineered two-stage compression screw machine integrates first and second-stage compression rotors within a singular casing. Each rotor is driven by individual gears, ensuring optimal linear speed and peak compression efficiency, pushing the boundaries of performance and reliability.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method delivers exceptional cooling results, dramatically reducing compressed air temperatures. This leads to near-isothermal compression, reduced pressure loss between stages, a lower compression ratio, and enhanced overall compression efficiency.
9) Reduced internal leakage:The sophisticated two-stage compression system significantly reduces the compression ratio for each stage, minimizing internal leakage between high and low-pressure ends, resulting in increased volumetric efficiency and superior performance.
10) Noise reduction:The reduced compression ratio in the two-stage system notably decreases noise levels, especially during unloading operations, ensuring a quieter and more serene working environment for enhanced comfort and productivity.
11) Easy maintenance and service:Despite its advanced two-stage compression design, our system retains familiar components and structures akin to single-stage compressors, ensuring straightforward maintenance and user-friendly servicing for ease of operation.
12) Door Panels are Removable:Crafted with noise-dampening metal plates and lined with high-density sound-absorbing material, the unit adheres to international noise standards. Its door panel can be effortlessly opened and detached, providing a comprehensive 270-degree access that significantly enhances maintenance efficiency and ease of service for maintenance personnel.
1. Unbeatable Pricing Edge
Experience a transformative advantage with our unbelievably competitive ex-factory pricing, designed to catapult you to the forefront of market leadership. This pricing structure empowers our valued clients to consistently outshine their competitors and achieve unrivaled success.
2. Seamless Direct Transactions
Revel in unprecedented efficiency with direct deliveries from our advanced manufacturing hub. Our cost-efficient solutions are expertly customized to your precise specifications, ensuring unmatched precision and complete satisfaction every time.
3. Extensive OEM & ODM Solutions
Capitalize on our impressive production prowess and experienced management for cutting-edge OEM/ODM services. These offerings are meticulously designed to integrate perfectly with your unique requirements and strategic business goals.
4. Tailored Customization Service
Our expertise in non-standard export orders shines through with customizations in parameters such as voltage, power, and pressure. Reach out to discover bespoke solutions that perfectly meet your distinctive needs.
5. Acceptance of Small Orders
Initiate your experience with a small trial order to observe firsthand the outstanding quality and consistent performance of our products. Ensuring your utmost satisfaction remains our paramount concern.
6. Swift Delivery
Benefit from our rapid delivery services, guaranteeing that your operations maintain momentum without disruption, and your schedules are consistently met with our superior product offerings.
7. Complete Authorization
Strengthen your business position with our full authorization certificates. Our respected distributors can confidently endorse the prestigious SANZHI brand products with pride and credibility.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is at the forefront of air compression excellence with over ten years of unrivaled expertise. We are pioneers of innovation, offering a complete range of advanced products, from state-of-the-art screw air compressors to trailblazing screw vacuum pumps. Our diverse lineup includes standard and low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion models, and robust two-stage compression units. Setting new industry standards, our screw air compressors are expertly crafted for laser cutting, adaptable for single-tank and double-tank mobile uses, as well as for both electric and diesel mobile applications. Additionally, our screw vacuum pumps are engineered with unmatched precision and reliability, cementing our standing as industry frontrunners.
Utilizing sophisticated assembly lines, our manufacturing capabilities are unmatched in both efficiency and efficacy. Backed by a team of over 50 dedicated professionals, we are constantly enhancing our management systems, including ERP, to significantly cut down lead times and ensure swift delivery of our top-tier products.
Our steadfast commitment to superior management is demonstrated by our esteemed ISO9001 quality management system certification. Strict adherence to quality standards through rigorous control measures ensures that every machine undergoes comprehensive inspections, from material assessments to production evaluations and meticulous pre-delivery checks, guaranteeing only top-quality machines reach our valued customers.
Our dedication to outstanding customer service begins with expert pre-sales consultations, guiding clients to the optimal air equipment for their specific needs. Our unparalleled customization capabilities allow us to adapt both design and configuration to individual preferences, offering OEM services to fulfill specific dealer requirements. Our dedicated sales and service team is committed to providing prompt and effective solutions, ensuring seamless and efficient after-sales support.
Sanzhi (Henan) Compressor Co., Ltd is driven by an unwavering mission to provide superior, dependable products while fostering long-lasting customer relationships. By combining rapid delivery with exceptional product quality and competitive pricing, we position ourselves as your reliable partner for all-encompassing compressed air solutions.
Conveniently located in Xinzheng City, Henan Province, China, our factory offers exceptional accessibility for clients. We provide complimentary transportation from Xinzheng International Airport, situated just 30 kilometers away-a brief hour's drive. We warmly welcome 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 proven industry expertise.
Q2. How do you control quality?
A: 1. We perform thorough inspections on all raw materials to ensure outstanding quality.
2. Our assembly processes are meticulously executed to uphold exceptional standards.
3. Every machine is subjected to a minimum of 5 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 tailor-made solution precisely suited 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 the esteemed Sanzhi (Henan) Compressor Co., Ltd., we proudly unveil an extensive array of voltage options meticulously crafted to cater to a variety of regional needs. Choose from our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. We are devoted to delivering tailored solutions with exclusive customization services, ensuring our products harmoniously align with your unique operational demands. This commitment translates to exceptional adaptability and efficiency, elevating your business to new heights of performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we excel in efficient order processing, completing it within an impressive 15 working days post-confirmation. For custom orders, our proactive sales team collaborates closely with you to create a timeline that seamlessly fits your needs, ensuring smooth and timely delivery. Our meticulous approach guarantees your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are crafted for simplicity and convenience. We require an initial 30% T/T payment to initiate production, followed by a 40% T/T before shipment, and the final 30% T/T upon receiving the B/L copy. We accommodate both USD and RMB currencies, providing flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We extend a comprehensive one-year warranty on the complete machine, complemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage ensures unmatched protection and peace of mind, safeguarding your investment with top-tier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we recommend the initial maintenance after 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is essential for maintaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly designed to excel in high-temperature environments. They operate effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring reliable functionality even under the most challenging conditions. Your operations will stay resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly offer both OEM and ODM services, supported by our skilled design team. We welcome custom orders and are committed to bringing your unique ideas to life, ensuring your vision is realized with precision and excellence. Partner with us for unparalleled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are engineered for longevity, typically delivering an extraordinary lifespan of over 10 years. This ensures reliable and enduring performance, consistently supporting your operations over the years. Invest in our compressors for long-term reliability.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to providing ongoing support by supplying essential spare parts for your machines. This ensures seamless and uninterrupted operations, enabling you to maintain optimal performance and reduce downtime.
Q14. How about your after-sales service?
A: We are committed to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, coupled 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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