Embark on a journey into a realm of unparalleled excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a testament to the brilliance of German engineering. As the vanguard of China's compressor industry, Sanzhi (Henan) Compressor Co., Ltd. proudly introduces this groundbreaking innovation. Transform your operational landscape with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, renowned for its revolutionary factory pricing. This engineering marvel, equipped with state-of-the-art Centrifugal Fans, delivers outstanding energy efficiency and substantial cost savings, redefining operational economics. Crafted with unwavering precision for stationary applications, this formidable powerhouse effortlessly tackles the demanding challenges of industrial environments, setting new standards for performance and reliability. Enter a new era of industrial distinction where your operations ascend to extraordinary heights. The Sanzhi 250KW Compressor is meticulously designed to provide exceptional energy efficiency, significant cost savings, and unrivaled reliability. Elevate your operational potential with a design that harmoniously blends advanced technology and German engineering prowess. Experience the future of industrial performance with a product that not only meets but exceeds the expectations of industrial excellence, establishing a new paradigm in the sector.
In-Depth Analysis: Dive into the captivating intricacies of this groundbreaking system, focusing on the Frontside. Witness the harmonious symphony of each meticulously crafted component, engineered to deliver not just extraordinary performance, but reliability you can count on.
Revolutionary Working Principle: Welcome to a new epoch in air compression where cutting-edge innovation merges with outstanding efficiency. Setting revolutionary industry standards, this system is committed to sustainability and unmatched performance.
At the zenith of air compression technology, our system exemplifies peak efficiency through the innovative blend of single-stage and multi-stage configurations. Although both systems theoretically demand similar energy, practical inefficiencies such as transmission power losses, bearing friction, and cooling dynamics tend to increase energy usage. Our multi-stage systems, by strategically minimizing the compression ratio at each stage, achieve exceptional efficiency, dramatically reducing energy consumption compared to single-stage alternatives. This advanced strategy not only boosts system performance but also dramatically cuts energy excess, establishing a groundbreaking benchmark in power efficiency.
Introducing the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel features an advanced dual rotary screw mechanism, with each stage exhibiting an active screw driving a passive counterpart through a meticulously designed external power transfer system. The initial stage hosts a low-pressure screw assembly perfectly calibrated for peak performance, while the subsequent stage contains a high-pressure screw assembly. At the heart of this intricate process are sealing air films embracing each screw, guiding compression through three critical phases: seamless air intake, dynamic pressurization boosting efficiency to new heights, and the final exhaust phase, culminating the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of this two-stage screw air compressor showcases engineering brilliance. A detailed low-pressure screw assembly initiates the process, guiding gas into the compression chamber via a precisely tuned suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, laying the groundwork for enhanced compression in the subsequent phase, setting the stage for exceptional performance.
Second Stage Compression: As gas transitions into the second stage, it enters a meticulously crafted, more confined screw space where both pressure and temperature are precisely elevated. This process reaches its zenith when the exhaust valve opens, allowing high-pressure gases to seamlessly exit the system, completing a complex compression cycle characterized by unmatched efficiency and sophistication.
The intricate air compression journey begins as ambient air smoothly 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 substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then progresses to the second-stage rotor, encountering a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is elegantly expelled through the exhaust valve, marking the completion 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. |
Behold the water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd., a testament to state-of-the-art engineering and precision craftsmanship. Leveraging the exceptional cooling power of water, these compressors offer not just superior lubrication but also extend the longevity of friction-prone components. The advanced circulating cooling water system meticulously purges internal elements and efficiently dissipates excess heat from both the cylinder and compressed gas, substantially reducing exhaust temperatures. This innovative mechanism minimizes power consumption and leads to significant operational cost savings. To ensure optimal performance, regular monitoring and swift resolution of any potential scaling issues in the cooling system are essential.
1) High efficiency of PM motor:Our groundbreaking permanent magnet (PM) motor is an engineering triumph, designed with precision to deliver extraordinary constant torque over a wide weak magnetic range. With efficiency levels surpassing traditional motors by 20-30%, this advanced motor guarantees unmatched performance, operating seamlessly beyond rated frequencies under all conditions.
2) Motor maintenance-free:Introducing our revolutionary permanent magnet motor, featuring an ingenious bearing-free design that eradicates the conventional costs of motor bearing maintenance and replacement. This groundbreaking approach significantly lowers maintenance costs, ensuring a smooth and hassle-free experience for users.
3) Integrated frequency converter: Our compressor, equipped with a premium frequency system from China, provides an extensive range of precise speed regulations. The system dynamically adjusts in real-time to accommodate varying gas demands, ensuring unparalleled energy efficiency and superior operational performance.
4) No transmission loss: With its direct shaft connection design, the compressor integrates an embedded permanent magnet motor, boasting a sleek and compact architecture. This intelligent design eliminates the need for couplings and other transmission components, achieving a flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our meticulously engineered advanced motor design minimizes impact on power grid equipment, effectively protecting electrical systems from potential harm and significantly prolonging the lifespan of the entire system.
6) Reduced energy consumption: Boasting an impressive frequency conversion range of 25% to 100% (surpassing the standard 50% to 100%), our system achieves over 30% energy savings compared to fixed-speed compressors and roughly 5% more savings than typical variable frequency compressors, offering substantial benefits for systems with fluctuating gas consumption.
7) Unique two-stage compression air end:Our two-stage compression screw machine is a marvel of engineering, incorporating first and second-stage compression rotors within a single casing. Each rotor is individually driven by gears, ensuring optimal linear speed and exceptional compression efficiency.
8) Internal spray curtain cooling method: Featuring an advanced internal spray curtain cooling method, our system delivers outstanding cooling effects, significantly reducing the temperature of the compressed air. This nearly achieves isothermal compression, minimizes pressure loss between stages, and lowers the compression ratio, enhancing overall efficiency.
9) Reduced internal leakage:Our two-stage compression system substantially lowers the compression ratio at each stage, effectively reducing internal leakage between high and low-pressure ends, thus boosting volumetric efficiency.
10) Noise reduction:The intrinsic reduced compression ratio of the two-stage system significantly decreases noise levels, particularly during unloading operations, ensuring a quieter and more peaceful working environment.
11) Easy maintenance and service:Despite the sophistication of the two-stage compression system, the remaining components and structures mirror those of single-stage compressors, ensuring ease of maintenance and a user-friendly service experience.
12) Door Panels are Removable:Crafted with noise-reducing metal plates and lined with dense sound-absorbing materials, the unit adheres to global noise standards. Its door panel design provides easy access and removal, with a 270-degree wide entry that greatly simplifies maintenance access, enhancing overall service efficiency.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market influence with our astonishingly competitive ex-factory pricing. This distinctive advantage empowers you to not just outpace competitors but also establish a formidable standing within your industry. Leave a lasting mark with unparalleled value.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unmatched efficiency and direct dealings as our products are dispatched straight from our state-of-the-art manufacturing facility. Our cost-effective solutions are precisely engineered to align with your exact specifications, guaranteeing satisfaction and precision at every step.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our vast production expertise and proficient management to provide superior OEM/ODM services. These solutions are crafted to seamlessly integrate with your unique needs and strategic goals, ensuring your vision is fulfilled with unmatched precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we deliver bespoke customization across parameters such as voltage, power, and pressure. Contact us for individualized solutions meticulously crafted to meet your specific requirements, delivering tailor-made precision.
5. Acceptance of Small Orders: Discover Our Quality
Begin with a small trial order to witness the remarkable quality and robust performance our products ensure. Your ultimate satisfaction is our promise, and we are committed to exceeding all your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Benefit from our rapid delivery services, meticulously designed to sustain seamless and uninterrupted operations. With our superior products, your schedules are prioritized and consistently met with precision.
7. Complete Authorization: Empower Your Enterprise
Strengthen your enterprise with our comprehensive authorization certificates. Our distinguished distributors are fully equipped and empowered to market the prestigious SANZHI brand products with unyielding confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a paragon of air compression technology, boasting more than a decade of unrivaled expertise in the field. As vanguards of innovation, we present an expansive array of groundbreaking products, from state-of-the-art screw air compressors to trailblazing screw vacuum pumps. Our repertoire includes not only standard models but also trailblazing low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and formidable two-stage compression systems. Our screw air compressors redefine benchmarks, masterfully engineered for laser cutting, and adaptable for both single and double-tank mobility, encompassing both electric and diesel mobile applications. Our groundbreaking screw vacuum pumps are crafted with precision and dependability, cementing our legacy as industry frontrunners.
Our manufacturing prowess is fueled by advanced assembly lines, achieving unmatched efficiency and efficacy. With a dedicated team exceeding 50 adept professionals, we perpetually enhance our management systems, such as ERP, drastically reducing lead times and guaranteeing the swift delivery of our premium products.
Our unwavering commitment to superior management is underscored by our distinguished ISO9001 quality management system certification. By adhering to stringent quality benchmarks and employing rigorous control measures, every machine undergoes comprehensive inspections, including material scrutiny, production evaluations, and exhaustive pre-delivery checks. This ensures that only machines of the utmost quality reach our esteemed customers.
Our dedication to extraordinary customer service begins with expert pre-sales consultations, guiding clients to choose the ideal air equipment tailored to their distinct needs. Our unparalleled customization capabilities allow us to modify both appearance and configuration according to individual preferences, and offer OEM services for specific dealer requirements. Our dedicated sales and service team provides swift and effective responses, ensuring seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to deliver top-notch, dependable products while nurturing enduring customer relationships. By merging rapid delivery with superior product quality and competitive pricing, we establish ourselves as your trusted partner for all-encompassing compressed air solutions.
Nestled in Xinzheng City, Henan Province, China, our facility offers unmatched accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, located just 30 kilometers away, approximately an hour's drive. We extend a warm invitation for you to visit our prestigious facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with a specialized focus on screw air compressors, backed by over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We conduct meticulous inspections of all raw materials to ensure they meet our superior quality standards.
2. Our assembly processes are executed with precision to uphold unmatched excellence.
3. Every machine undergoes at least five continuous hours of rigorous testing prior to 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 create a bespoke solution exquisitely tailored 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 thrilled to present an exquisite array of voltage options, each meticulously designed to perfectly align with the distinctive needs of various global regions. Our versatile spectrum includes: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast dedication to creating tailor-made solutions through exclusive customization ensures seamless integration within your operational framework. This commitment results in unmatched adaptability and efficiency, elevating your business to the zenith of performance and reliability.
Q6. How long is the delivery time?
A: With our standard voltage specifications, we set ourselves apart with rapid order processing, completing orders within a remarkable 15 working days after confirmation. For custom orders, our proactive sales team collaborates closely to create a timeline perfectly aligned with your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail guarantees your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are designed for simplicity and convenience. Production begins with a 30% T/T upfront payment, proceeds with 40% T/T before shipment, and concludes with the final 30% T/T payment upon receipt of the B/L copy. We facilitate transactions in both USD and RMB, ensuring flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty covering the entire machine, complemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage provides unmatched protection and peace of mind, safeguarding your investment with premier assurance.
Q9. What about the maintenance?
A: To ensure optimal performance and longevity, we recommend initiating maintenance after the initial 500 hours of operation. Subsequently, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is essential to sustain optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Certainly, our robust machines are expertly engineered to excel in high-temperature environments. They function seamlessly within a range of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even under challenging conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly offer both OEM and ODM services, supported by our expert design team. We enthusiastically welcome custom orders and are devoted to transforming your unique ideas into reality with precision and excellence. Partner with us for unparalleled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are intricately engineered for longevity, typically providing an extraordinary lifespan exceeding 10 years. This ensures reliable and enduring performance, consistently supporting your operations over the long term. Invest in our compressors for lasting 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 reduces downtime, allowing you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly dedicated 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 utmost priorities, ensuring you receive unparalleled support.
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