Step into a world where exceptional performance meets innovation with the Sanzhi 250kW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor. This masterwork of German engineering excellence stands as a beacon of innovation, orchestrated by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a vanguard in China's compressor industry. Embrace a transformative shift in your operational dynamics with our avant-garde Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, renowned for revolutionizing factory pricing standards. This engineering gem, outfitted with futuristic Centrifugal Fans, delivers phenomenal energy efficiency that translates into significant cost reductions, reshaping the landscape of operational economics. Designed with scrupulous attention to detail for stationary applications, this formidable machine meets the stringent demands of industrial settings with ease, setting fresh benchmarks in both performance and dependability. Welcome a supreme standard of excellence that propels your operational capabilities to breathtaking new heights, ensuring you stay ahead in a competitive landscape.
In-Depth Analysis: Immerse yourself in a captivating exploration of this advanced system's core, with a spotlight on the Frontside. Discover the flawless integration of each component, meticulously crafted to deliver extraordinary performance and steadfast reliability.
Revolutionary Working Principle: Welcome a new era in air compression where cutting-edge technology meets outstanding efficiency. This pioneering method not only redefines industry standards but also sets the stage for unparalleled performance, all while prioritizing sustainability.
Leading the charge in air compression technology, our system stands as a testament to peak efficiency by harmoniously blending single-stage and multi-stage configurations. Though theoretically similar in energy demand, real-world factors such as transmission power losses, bearing friction, and cooling dynamics can increase energy needs. Our multi-stage systems reduce compression ratios at each stage with precision, achieving remarkable efficiency and significantly reducing energy consumption compared to single-stage systems. This sophisticated design not only boosts system performance but also dramatically decreases energy waste, establishing a groundbreaking benchmark in power efficiency.
Introducing the avant-garde 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor from Sanzhi (Henan) Compressor Co., Ltd. This technological wonder features a state-of-the-art dual rotary screw mechanism, where each stage showcases an active screw driving a passive one through a skillfully crafted external power transfer system. The initial stage includes a low-pressure screw assembly engineered for optimal performance, while the next stage encompasses a high-pressure screw assembly. Integral to this complex process are sealing air films enveloping each screw, guiding compression through three vital phases: smooth air intake, dynamic pressurization elevating efficiency to unprecedented heights, and the ultimate exhaust phase, which concludes the cycle with unmatched precision and excellence.
First Stage Compression: The first step of the two-stage screw air compressor showcases engineering excellence. An elaborate low-pressure screw assembly initiates the process, channeling gas into the compression chamber via a precisely calibrated suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, laying the foundation for intensified compression in the subsequent phase, thus equipping the system for outstanding performance.
Second Stage Compression: As the gas moves into the second stage, it enters a meticulously crafted, more confined screw space where both pressure and temperature are precisely heightened. This process reaches its pinnacle when the exhaust valve opens, enabling high-pressure gases to exit the system seamlessly, completing an intricate compression cycle marked by exceptional efficiency and sophistication.
The intricate journey of air compression begins as ambient air passes effortlessly through the air filter, merging with a hint of lubricating oil in the compression chamber. This mixture undergoes initial compression, reaching intermediate pressure, then experiences significant cooling through interaction with oil mist in the cooling channel. The cooled gas advances to the second-stage rotor, encountering a secondary compression phase that achieves the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is elegantly expelled through the exhaust valve, marking the end of an exceptionally thorough 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. are a testament to exceptional precision engineering. Utilizing the superior cooling properties of water, these compressors excel in lubrication and extending the durability of components susceptible to friction. The circulating cooling water meticulously cleanses internal elements while efficiently dissipating heat from both the cylinder and the compressed air. This advanced process significantly lowers exhaust temperatures and reduces power consumption, resulting in considerable operational cost savings. Monitoring and managing potential scaling issues within the cooling system is imperative to sustain optimal performance.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor is masterfully designed to provide a remarkable constant torque range and a far-reaching weak magnetic spectrum, exhibiting an impressive 20-30% higher efficiency compared to traditional motors. Even when operating beyond rated frequencies, the PM motor maintains its exceptional efficiency, ensuring outstanding performance under all operational conditions.
2) Motor maintenance-free:The revolutionary permanent magnet motor boasts a bearing-free design, eliminating the routine costs associated with motor bearing upkeep and replacement. This innovative design substantially reduces overall maintenance expenses.
3) Integrated frequency converter: Equipped with China's premier frequency system, our compressor provides extensive speed regulation with remarkable precision. The system expertly adjusts in real-time to align with gas demands, delivering maximum energy savings and top-notch operational efficiency.
4) No transmission loss: Adopting a direct shaft connection design, the compressor incorporates an embedded permanent magnet motor for a seamless and compact design. This innovative approach eliminates the need for couplings and other transmission components, achieving perfect 100% transmission efficiency.
5) Variable frequency start and soft start:The sophisticated motor design minimizes impact on power grid equipment, effectively protecting electrical systems from potential damage and significantly extending the system's overall lifespan.
6) Reduced energy consumption: Featuring an extraordinary frequency conversion range of 25% to 100% (unlike the typical 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, providing significant benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our two-stage compression screw machine is ingeniously crafted to integrate first and second-stage compression rotors within a single casing. Each rotor is powered by separate gears to ensure optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers excellent cooling effects, significantly lowering compressed air temperatures. This results in nearly isothermal compression, minimized pressure loss between stages, a reduced compression ratio, and improved overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly decreases 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 diminishes noise levels, particularly during unloading operations, ensuring a quieter and more tranquil 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:Constructed with noise-dampening metal plates and lined with high-density sound-absorbing material, the unit meets international noise standards. The door panel can be effortlessly opened and removed, providing comprehensive 270-degree access that greatly facilitates maintenance personnel's entry and enhances service efficiency.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market presence with our exceptionally 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. Make a lasting mark with undeniable impact and watch your market share soar as you effortlessly outshine the competition.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unmatched efficiency and direct dealings as our products are dispatched straight from our cutting-edge manufacturing facility. Our economically savvy solutions are meticulously engineered to align perfectly with your specifications, ensuring precision, satisfaction, and excellence every step of the way.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our extensive production prowess and expert management to deliver superior OEM/ODM services crafted to seamlessly integrate with your precise needs and strategic business goals. Ensure your vision is realized with excellence and finesse, setting your brand apart with tailored solutions.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we offer bespoke customization across critical parameters like voltage, power, and pressure. Consult with us to discover personalized solutions meticulously crafted to meet your distinct requirements with unparalleled precision and professionalism.
5. Acceptance of Small Orders: Discover Our Quality
Embark on your journey with us through 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 at every turn.
6. Swift Delivery: Keep Operations Uninterrupted
Seize the 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 diligently adhered to with unwavering precision, ensuring smooth and continuous operations.
7. Complete Authorization: Empower Your Enterprise
Empower 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, enhancing your market presence and brand prestige.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd illuminates the horizon of air compression technology with a decade of unrivaled industry acumen. As true pioneers, we offer an expansive portfolio of groundbreaking products, featuring cutting-edge screw air compressors and innovative screw vacuum pumps. Our collection spans standard models to revolutionary low-pressure screw air compressors, futuristic permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors set new industry standards, expertly engineered for laser cutting, and are adaptable for single and double-tank mobile use, as well as versatile electric and diesel mobile applications. Our innovative screw vacuum pumps are crafted with precision and reliability, solidifying our leadership in the industry.
Our manufacturing excellence is driven by advanced assembly lines, achieving unparalleled efficiency and productivity. With a team of over 50 skilled professionals, we continuously refine our management systems, such as ERP, significantly reducing lead times and ensuring rapid delivery of our premier products.
Our steadfast commitment to exceptional management is highlighted by our esteemed ISO9001 quality management system certification. By maintaining rigorous quality standards and employing stringent control measures, each machine undergoes thorough inspections, including material evaluations, production assessments, and meticulous pre-delivery checks. This guarantees that only machines of the highest quality reach our valued customers.
Our commitment to exceptional customer service begins with expert pre-sales consultations, guiding clients to choose the perfect air equipment tailored to their distinct requirements. Our unparalleled customization capabilities allow us to tailor both design and configuration to individual preferences and offer OEM services for specific dealer needs. Our dedicated sales and service team ensures prompt and effective responses, delivering seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to provide superior, dependable products while fostering lasting customer relationships. By combining swift delivery with outstanding product quality and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Located in Xinzheng City, Henan Province, China, our facility provides unmatched accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, only an hour's drive. We warmly invite you to visit our prestigious 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 meticulously examine all raw materials to ensure they meet our superior quality standards.
2. Our assembly procedures are executed with precision to maintain unmatched excellence.
3. Each machine is subjected to a minimum of five continuous hours of rigorous testing before dispatch, ensuring optimal 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 design a customized 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: At Sanzhi (Henan) Compressor Co., Ltd., we are thrilled to present a diverse spectrum of voltage options, each intricately engineered to cater to the specific requirements of various global regions. Choose from our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our relentless pursuit of offering tailored solutions through exclusive customization services ensures our products seamlessly integrate into your operational framework. This unwavering commitment delivers exceptional adaptability and efficiency, equipping your business with peak performance and unwavering reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we distinguish ourselves with our swift order processing, finalizing within an astounding 15 working days after order confirmation. For custom orders, our proactive sales team will work hand-in-hand with you to craft a schedule that perfectly aligns with your expectations, guaranteeing a smooth and punctual delivery process. Our keen attention to detail ensures your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are meticulously designed for simplicity and ease. Production commences with an initial 30% T/T payment, followed by 40% T/T before shipment, and concludes with a final 30% T/T payment upon receiving the B/L copy. We accommodate transactions in both USD and RMB currencies, offering our valued clients flexibility and convenience.
Q8. How about your warranty?
A: We extend a comprehensive one-year warranty on the entire machine, supplemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage provides exceptional protection and peace of mind, securing your investment with premier assurance.
Q9. What about the maintenance?
A: To guarantee peak performance and longevity, we advise initiating maintenance after the initial 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is recommended, customized to your specific working conditions. This routine maintenance is vital for sustaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our resilient machines are expertly constructed to thrive in high-temperature environments. They function smoothly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even under the most demanding conditions. Your operations will remain steadfast and efficient.
Q11. Do you offer OEM service?
A: Yes, we are delighted to offer both OEM and ODM services, supported by our accomplished design team. We enthusiastically welcome custom orders and are dedicated to realizing your unique visions with precision and excellence. Collaborate with us for unmatched customization.
Q12. How long could your air compressor be used?
A: Our air compressors are scrupulously engineered for longevity, typically delivering an exceptional lifespan of over 10 years. This ensures reliable and enduring performance, consistently underpinning 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 continuous support by supplying crucial spare parts for your machines. This secures uninterrupted operations and minimizes downtime, enabling you to sustain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly committed to delivering extraordinary after-sales service. Our comprehensive services include detailed online guides for installation and commissioning, alongside access to our expert engineers for training and installation assistance. Your satisfaction and success are our paramount priorities, ensuring you receive unparalleled support.
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