Step into a world of unmatched excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, an epitome of German engineering brilliance. Proudly presented by Sanzhi (Henan) Compressor Co., Ltd.-a forerunner in China's compressor industry-this innovative marvel is poised to revolutionize your operational framework. Welcome the future with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, celebrated for pioneering factory pricing standards. This engineering wonder, outfitted with cutting-edge Centrifugal Fans, offers extraordinary energy efficiency and substantial cost savings, reshaping operational economics. Designed with meticulous precision for stationary applications, this robust machine effortlessly fulfills the rigorous demands of industrial settings, setting new standards in performance and reliability. Enter a new epoch of industrial excellence, where your operations reach new heights with the Sanzhi 250KW Compressor. Crafted to deliver extraordinary energy efficiency, significant cost savings, and unparalleled reliability, this product enhances your operational capabilities with advanced technology and German engineering superiority. Explore the future of industrial performance with a product that not only meets but surpasses the expectations of industrial might, establishing a new benchmark for excellence in the sector.
In-Depth Analysis: Embark on an enthralling exploration of this cutting-edge system, particularly focusing on the Frontside. Discover the seamless interplay of each meticulously engineered component, designed with unparalleled expertise to deliver outstanding performance and unwavering reliability.
Revolutionary Working Principle: Step into a new era of air compression where trailblazing innovation meets remarkable efficiency. This system redefines industry benchmarks with a steadfast commitment to sustainability and peerless performance, setting new standards for excellence.
At the pinnacle of air compression innovation, this system exemplifies peak efficiency through an ingenious combination of single-stage and multi-stage configurations. While theoretically similar in energy consumption, practical challenges such as transmission power losses, bearing friction, and cooling dynamics can increase energy usage. Our advanced multi-stage systems skillfully reduce the compression ratio at each stage, achieving extraordinary efficiency by significantly cutting energy consumption compared to single-stage models. This sophisticated strategy not only enhances overall performance but also drastically minimizes energy excess, establishing a revolutionary benchmark in power efficiency.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This exceptional innovation showcases a unique dual rotary screw design, where each stage features an active screw driving a passive one through a precisely engineered external power transfer mechanism. The initial stage hosts a low-pressure screw assembly, finely tuned for optimal performance, while the subsequent stage consists of a high-pressure screw assembly. At the heart of this intricate process are sealing air films enveloping each screw, guiding compression through three pivotal phases: seamless air intake, dynamic pressurization elevating efficiency to unprecedented levels, 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 is a testament to engineering excellence. A precisely crafted low-pressure screw assembly begins the process, channeling gas into the compression chamber through an expertly calibrated suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, paving the way for intensified compression in the next phase, laying the groundwork for outstanding performance.
Second Stage Compression: When gas moves into the second stage, it enters a meticulously designed, more compact screw space where pressure and temperature are expertly elevated. This process culminates when the exhaust valve opens, allowing high-pressure gases to seamlessly exit the system, completing a sophisticated compression cycle characterized by unparalleled efficiency and grace.
The complex air compression journey begins as ambient air gently flows through the air filter, merging with a trace of lubricating oil inside the compression chamber. This blend undergoes initial compression to moderate pressure, followed by substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then proceeds to the second-stage rotor, undergoing a secondary compression phase to achieve the desired final exhaust pressure. This brilliantly orchestrated cycle concludes as the compressed gas is gracefully expelled through the exhaust valve, marking the culmination 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 by Sanzhi (Henan) Compressor Co., Ltd. stand as a testament to modern engineering brilliance and the finesse of precision craftsmanship. By leveraging the unrivaled cooling capacity of water, these compressors are designed to offer superior lubrication and significantly prolong the life of friction-susceptible parts. The advanced circulating cooling water system not only purifies internal components with meticulous precision but also efficiently dissipates excess heat from both the cylinder and the compressed gas. This cutting-edge system effectively reduces exhaust temperatures, decreases power consumption, and leads to substantial operational cost savings. To maintain peak performance, it is crucial to regularly monitor and effectively manage potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor embodies an engineering masterpiece, meticulously designed to deliver remarkable constant torque over a broad weak magnetic spectrum. With an efficiency that outperforms traditional motors by an impressive 20-30%, this motor continues to excel beyond rated frequencies, ensuring unparalleled performance across all operational scenarios.
2) Motor maintenance-free:This groundbreaking permanent magnet motor showcases an innovative bearing-free architecture, effectively eliminating traditional maintenance and replacement costs associated with motor bearings. This revolutionary design substantially lowers overall maintenance expenses, offering users a seamless and hassle-free operational experience.
3) Integrated frequency converter: Equipped with China's top-notch frequency system, our compressor delivers precise speed regulation over a wide range. The system dynamically adjusts in real-time to accommodate varying gas demands, ensuring optimal energy efficiency and superior operational performance.
4) No transmission loss: Featuring a direct shaft connection design, the compressor integrates an embedded permanent magnet motor in a sleek and compact architecture. This intelligent design removes the need for couplings and additional transmission components, achieving an impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design is intricately crafted to minimize impacts on power grid equipment, effectively protecting electrical systems from potential damage and significantly extending the overall system lifespan.
6) Reduced energy consumption: With an impressive frequency conversion range of 25% to 100% (compared to the typical 50% to 100%), our system achieves over 30% energy savings versus fixed-speed compressors and around 5% more savings than standard variable frequency compressors, providing significant advantages for systems with varying gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is an engineering masterpiece, incorporating first and second-stage compression rotors within a single casing. Each rotor is powered by individual gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling technique delivers exceptional cooling effects, considerably reducing compressed air temperature. This results in near-isothermal compression, minimized pressure loss between stages, and a lower compression ratio, enhancing overall compression effectiveness.
9) Reduced internal leakage:The two-stage compression system notably reduces the compression ratio for each stage, effectively minimizing internal leakage between high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio inherent to the two-stage system significantly decreases noise levels, especially during unloading operations, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite the advanced design of the two-stage compression system, the other components and structures maintain similarities with single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Meticulously crafted with noise-reducing metal plates and lined with dense sound-absorbing materials, the unit adheres to global noise standards. Its door panel design allows easy access and removal, offering a 270-degree comprehensive entry that significantly simplifies maintenance personnel's 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 our clients not only to surpass competitors but also to carve out a substantial niche in their industry landscapes, creating a lasting impact.
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 economically sound solutions are meticulously engineered to align flawlessly with your specifications, guaranteeing precision and supreme satisfaction at every stage.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our vast production expertise and proficient management to deliver outstanding OEM/ODM services. These solutions are crafted to integrate effortlessly with your precise needs and strategic business goals, ensuring your vision is realized with precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we provide bespoke customization across parameters like voltage, power, and pressure. Contact us for personalized solutions crafted to perfectly meet your distinct requirements, ensuring tailor-made precision.
5. Acceptance of Small Orders: Discover Our Quality
Start with a small trial order to experience the exceptional quality and reliable performance that our products promise. Your satisfaction is our ultimate commitment, and we are devoted to surpassing your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our rapid delivery services, intricately designed to ensure seamless and uninterrupted operations. With our premium 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 esteemed distributors are fully equipped and empowered to market the prestigious SANZHI brand products with unwavering confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands as a beacon of innovation and expertise in the world of air compression technology. With over ten years of unparalleled experience, we lead the industry with an extensive range of pioneering products. Our collection features cutting-edge screw air compressors and inventive vacuum pumps that redefine industry standards. We offer not only standard models but also revolutionary low-pressure screw air compressors, sophisticated permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors, crafted with unmatched precision, excel in laser cutting and offer adaptability for single and double-tank mobility, alongside diverse electric and diesel mobile applications. Our state-of-the-art screw vacuum pumps are designed for precision and reliability, solidifying our position as leaders in the field.
At the heart of our success is our superior manufacturing capability, driven by state-of-the-art assembly lines that deliver unmatched efficiency and productivity. Our dedicated team of over 50 skilled professionals continually enhances our management systems, like ERP, significantly reducing lead times and ensuring the swift delivery of our exceptional products to our valued clients.
Our unwavering commitment to quality management is highlighted by our esteemed ISO9001 certification. Rigorously adhering to stringent quality standards, we implement strict control measures to ensure each machine undergoes comprehensive inspections. This includes material scrutiny, production evaluations, and thorough pre-delivery checks, ensuring that only the highest quality machines are delivered to our esteemed customers.
Our dedication to delivering outstanding customer service begins with expert pre-sales consultations, aiding clients in selecting air equipment perfectly tailored to their unique needs. Our unrivaled customization capabilities allow us to modify both appearance and configuration according to individual preferences, while offering OEM services for specific dealer requirements. Our committed sales and service team guarantees prompt, effective responses, providing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd., our steadfast mission is to provide premium, reliable products while fostering enduring relationships with our customers. By combining rapid delivery with superior product quality and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Situated in Xinzheng City, Henan Province, China, we offer unmatched accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, located just 30 kilometers away, approximately an hour's drive. We warmly welcome you to visit our esteemed facility and witness our commitment to excellence firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with over a decade of industry expertise, specializing in the production of screw air compressors.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they meet our stringent quality standards.
2. Our assembly procedures are conducted with precision to uphold exceptional excellence.
3. To guarantee optimal performance and reliability, each machine undergoes a minimum of five continuous hours of rigorous testing before dispatch.
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 engineer a customized solution perfectly suited 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 immensely proud to present a stunning selection of voltage options, meticulously crafted to meet the diverse needs of various global regions. Our versatile configurations include: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to creating bespoke solutions through our exclusive customization services ensures seamless integration of our products with your operational framework. This commitment to excellence results in unparalleled adaptability and efficiency, driving your enterprise to the pinnacle of performance and reliability.
Q6. How long is the delivery time?
A: Our standard voltage specifications allow us to excel in processing orders swiftly, achieving completion within an extraordinary 15 working days post-confirmation. For tailored orders, our proactive sales team collaborates closely with you to create a timeline that perfectly aligns with your needs, ensuring a seamless and timely delivery process. Our meticulous attention to detail guarantees your utmost satisfaction.
Q7. What's the payment term?
A: We have thoughtfully crafted our payment terms for simplicity and convenience. Our process begins with a 30% T/T upfront payment, continues with 40% T/T before shipment, and concludes with the final 30% T/T payment upon receipt of the B/L copy. We accommodate transactions in both USD and RMB currencies, 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, supplemented by an additional two-year warranty specifically for the screw air compressor (excluding consumable parts). This extensive coverage provides unmatched protection and peace of mind, safeguarding your investment with utmost assurance.
Q9. What about the maintenance?
A: To ensure peak performance and extend longevity, we advise initiating maintenance after the first 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is recommended, tailored to your specific working conditions. This routine maintenance is essential for sustaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are robustly engineered to excel in high-temperature environments. They function seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even in the most challenging conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly provide both OEM and ODM services, backed by our expert design team. We warmly welcome custom orders and are committed 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 exceptional longevity, typically delivering an extraordinary lifespan that exceeds 10 years. This guarantees 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 unwaveringly 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 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 top priorities, ensuring you receive unparalleled support.
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