Step into a realm of unparalleled excellence with the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor, a true testament to the pinnacle of German engineering mastery. Sanzhi (Henan) Compressor Co., Ltd., a venerable leader in China's thriving compressor industry, takes great pride in presenting this groundbreaking innovation. Revolutionize your operational landscape with our avant-garde Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, heralded for transforming factory pricing paradigms. This engineering marvel, boasting the latest Centrifugal Fans, offers exceptional energy efficiency coupled with remarkable cost savings, reshaping the very essence of operational economics. Meticulously crafted with precision for stationary applications, this formidable powerhouse flawlessly meets the exacting demands of industrial environments, establishing new standards in both performance and reliability. Elevate your operational capabilities to unprecedented heights with this unmatched excellence.
Embark on an In-Depth Analysis: Discover the intricate details woven into the Frontside of our product's internal structure. Each component is perfectly synchronized, coming together to deliver exceptional performance and unwavering reliability.
Revolutionary Working Principle: Enter a New Era of Air Compression! This groundbreaking principle merges innovation with unmatched efficiency, setting new industry benchmarks for performance and sustainability.
At the forefront of air compression technology, our cutting-edge system harnesses supreme efficiency by masterfully balancing single-stage and multi-stage configurations. Although theoretically demanding similar energy, the complexities of transmission power losses, bearing friction, and cooling effects often heighten energy requirements. Through precise compression ratio minimization at each stage, our multi-stage systems deliver unparalleled efficiency, significantly curtailing energy consumption compared to single-stage systems. This advanced strategy not only enhances system performance but also dramatically reduces surplus energy use, establishing a groundbreaking benchmark in power optimization.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel boasts a sophisticated dual rotary screw system, with each stage featuring an active screw driving a passive one via an expertly crafted external power mechanism. The first stage integrates a low-pressure screw assembly for peak performance while the second stage encompasses a high-pressure screw assembly. Key to this advanced process are sealing air films around each screw, navigating compression through three essential stages: seamless air intake, dynamic pressurization driving efficiency to extraordinary levels, and the concluding exhaust phase, completing the cycle with ultimate precision and excellence.
First Stage Compression: The inception phase of the two-stage screw air compressor is a testament to engineering acumen. A refined low-pressure screw assembly sets the process in motion, directing gas into the compression chamber via a meticulously crafted suction valve. As the rotor whirls at impressive speeds, the gas undergoes initial compression, paving the way for intensified compression in the next phase, thereby priming the system for exceptional performance.
Second Stage Compression: As gas transitions to the second stage, it enters a uniquely compact screw space where pressure and temperature are expertly elevated to new heights. This process culminates when the exhaust valve opens, releasing high-pressure gases from the system. This marks the completion of a complex compression cycle, defined by unparalleled efficiency and finesse.
The sophisticated air compression journey initiates as ambient air smoothly passes through the air filter, blending with a trace of lubricating oil in the compression chamber. This mixture undergoes initial compression to intermediate pressure, followed by substantial 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 to achieve the target final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is gracefully expelled through the exhaust valve, marking the end of an extraordinarily 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. |
Experience the pinnacle of engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors. These marvels of precision engineering utilize water's superior cooling capability to enhance lubrication and extend the life of components prone to friction. The meticulously circulating cooling water not only purifies internal parts but also excels at dissipating heat from the cylinder and compressed gas. This refined cooling process effectively reduces exhaust temperatures and power consumption, resulting in sizeable operational cost savings. To sustain optimal performance, it's crucial to routinely monitor and swiftly address potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is crafted to deliver an extraordinary constant torque range and a vast weak magnetic spectrum, achieving a remarkable 20-30% greater efficiency than conventional motors. Even at frequencies surpassing the rated level, the PM motor maintains its superior efficiency, guaranteeing optimal performance under all operating conditions.
2) Motor maintenance-free:Innovatively crafted, the permanent magnet motor is designed without bearings, eliminating the usual costs related to motor bearing upkeep and replacement. This groundbreaking design substantially reduces total maintenance expenses.
3) Integrated frequency converter: Featuring China's premier frequency system, our compressor allows for extensive speed regulation with exceptional precision. This system adeptly adjusts to real-time gas demands, ensuring unparalleled energy savings and optimal operational efficiency.
4) No transmission loss: Incorporating a direct shaft connection design, the compressor merges seamlessly with an integrated permanent magnet motor for a sleek and compact form. This pioneering approach eradicates the need for couplings and other transmission components, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:The cutting-edge motor design significantly lessens the impact on power grid equipment, safeguarding electrical systems from potential damage and enhancing overall system longevity.
6) Reduced energy consumption: Boasting an extraordinary frequency conversion range of 25% to 100% (compared to the conventional 50% to 100%), our system delivers over 30% energy savings relative to fixed-speed compressors and approximately 5% more energy savings than standard variable frequency compressors, offering substantial advantages for systems with fluctuating gas consumption needs.
7) Unique two-stage compression air end:Our masterfully engineered two-stage compression screw machine integrates both first and second-stage compression rotors within a single casing, with each rotor powered by individual gears to ensure optimal linear speed and peak compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method provides extraordinary cooling effects, significantly lowering compressed air temperatures. This results in nearly isothermal compression, reduced pressure loss between stages, a lower compression ratio, and enhanced overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system considerably diminishes the compression ratio for each stage, reducing internal leakage between high and low-pressure ends, thereby augmenting volumetric efficiency.
10) Noise reduction:The decreased compression ratio in the two-stage system notably lessens noise levels, particularly during unloading operations, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, our system retains familiar components and structures akin to single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:Engineered with noise-dampening metal plates and lined with high-density sound-absorbing material, the unit complies with international noise standards. Its door panel can be effortlessly opened and detached, offering a 270-degree comprehensive access that significantly facilitates maintenance personnel's entry and enhances service efficiency.
1. Unbeatable Pricing Edge
Transform your market presence with our incredibly competitive ex-factory pricing. This unique advantage empowers our clients to not just surpass competitors, but to secure a formidable and leading position in their respective industry landscapes.
2. Seamless Direct Transactions
Experience unmatched efficiency with direct transactions as our state-of-the-art products are shipped right from our cutting-edge manufacturing facility. Our economically astute solutions are precisely tailored to meet your specifications, ensuring unmatched precision and complete satisfaction.
3. Extensive OEM & ODM Solutions
Leverage our expansive production capabilities and expert management to offer premium OEM/ODM services. These solutions are meticulously crafted to seamlessly align with your specific needs and strategic business objectives.
4. Tailored Customization Service
Excel in non-standard export orders with our customization services across parameters such as voltage, power, and pressure. Contact us to explore bespoke solutions that are meticulously crafted to meet your unique requirements.
5. Acceptance of Small Orders
Start with a small trial order to experience the exceptional quality and reliable performance our products guarantee. Your satisfaction is always our topmost priority.
6. Swift Delivery
Take advantage of our rapid delivery services, designed to keep your operations seamless and uninterrupted. Our top-quality products ensure your schedules are consistently maintained and honored.
7. Complete Authorization
Empower your business with our comprehensive authorization certificates. Our trusted distributors are fully equipped to market the prestigious SANZHI brand products with absolute confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a luminary of distinction in the domain of air compression technology, fortified by a decade of unmatched industry prowess. We spearhead innovation, offering an expansive suite of advanced products that encompass cutting-edge screw air compressors and trailblazing screw vacuum pumps. Our comprehensive array not only includes standard models but also features pioneering low-pressure screw air compressors, state-of-the-art permanent magnet frequency conversion units, and formidable two-stage compression systems. Our screw air compressors redefine industry benchmarks, meticulously designed for laser cutting, and adaptable for single-tank and double-tank mobile applications, as well as versatile electric and diesel mobile configurations. Our revolutionary screw vacuum pumps, with precision and reliability at their core, solidify our role as industry visionaries.
Harnessing cutting-edge assembly lines, our manufacturing prowess is unmatched in both efficiency and precision. Empowered by the commitment of over 50 adept professionals, we relentlessly refine our management systems like ERP, dramatically curtailing lead times and ensuring the rapid delivery of our premium offerings.
Our unwavering commitment to exemplary management is underscored by our prestigious ISO9001 quality management system certification. Through strict adherence to quality standards and the application of rigorous control measures, every machine undergoes exhaustive inspections, including material evaluations, production assessments, and meticulous pre-delivery checks, ensuring that only superior machines reach our valued clientele.
Our dedication to unparalleled customer service begins with expert pre-sales consultations, guiding clients in selecting the perfect air equipment tailored to their distinct needs. Our unrivaled customization capabilities allow us to personalize both appearance and configuration to meet individual preferences, and offer OEM services for specific dealer requirements. Our devoted sales and service team guarantees swift and effective responses, ensuring seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to deliver superior, reliable products while nurturing enduring customer relationships. By merging prompt delivery with exceptional product quality and competitive pricing, we establish ourselves as your trusted partner for all-encompassing compressed air solutions.
Ideally located in Xinzheng City, Henan Province, China, our factory provides unmatched accessibility for clients. We offer complimentary transportation from Xinzheng International Airport, merely 30 kilometers away, a concise hour's drive. We cordially invite you to visit our distinguished facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with specialization in screw air compressors, proudly bearing over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We rigorously inspect all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly procedures are meticulously executed to uphold unparalleled excellence.
3. Each machine undergoes a minimum of five continuous hours of rigorous testing before dispatch, ensuring pinnacle 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 meticulously 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 Sanzhi (Henan) Compressor Co., Ltd., we are delighted to present an exceptional array of voltage configurations, each meticulously crafted to meet the diverse needs of global markets. Choose from our versatile options: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our commitment to delivering customized solutions through exclusive customization services ensures seamless integration with your operational needs. This steadfast dedication results in unparalleled adaptability and efficiency, empowering your enterprise with peak performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we stand out for our swift order processing, completing within an impressive 15 working days after order confirmation. For custom orders, our proactive sales team will work closely with you to tailor a timeline that perfectly aligns with your requirements, ensuring a seamless and timely delivery process. Our meticulous attention to detail guarantees your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for ease and convenience. Production begins with an initial 30% T/T payment, followed by a 40% T/T prior to shipment, and concludes with the final 30% T/T payment upon receipt of the B/L copy. Transactions are facilitated in both USD and RMB currencies, providing flexibility and convenience for our valued clients.
Q8. How about your warranty?
A: We offer a comprehensive warranty package: a one-year warranty on the entire machine, plus an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This extensive coverage provides exceptional protection and peace of mind, securing your investment with superior assurance.
Q9. What about the maintenance?
A: To ensure optimal performance and longevity, we recommend starting maintenance after the initial 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is suggested, customized to your specific operational conditions. This routine maintenance is vital for maintaining maximum durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are precisely engineered to perform brilliantly in high-temperature environments. They operate efficiently within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent functionality even under the most challenging conditions. Your operations will remain strong and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly offer both OEM and ODM services, supported by our talented design team. We eagerly welcome custom orders and are dedicated to bringing your unique ideas to life with precision and excellence. Partner with us for unparalleled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are expertly engineered for longevity, typically providing an extraordinary lifespan of over 10 years. This ensures reliable and enduring performance, consistently supporting your operations through the years. Invest in our compressors for long-term dependability.
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 operations and minimizes downtime, allowing you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly committed to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, along 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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