Immerse yourself in a realm of unparalleled excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a true testament to German engineering prowess. As a distinguished trailblazer in China's compressor sector, Sanzhi (Henan) Compressor Co., Ltd. proudly introduces this groundbreaking innovation. Transform your operational landscape with our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, lauded for setting new factory pricing standards. This engineering marvel, equipped with state-of-the-art Centrifugal Fans, promises exceptional energy efficiency and substantial cost savings, fundamentally redefining operational economics. Crafted with meticulous precision for stationary applications, this robust powerhouse effortlessly meets the rigorous demands of industrial environments, establishing new benchmarks in both performance and reliability. Step into a new era of industrial excellence where your operations reach extraordinary heights. The Sanzhi 250KW Compressor is crafted to deliver exceptional energy efficiency, substantial cost savings, and unmatched reliability. Elevate your operational capabilities with a design that integrates advanced technology and German engineering excellence. Discover the future of industrial performance with a product that not only meets but exceeds the expectations of industrial prowess, setting a new standard for excellence in the sector.
In-Depth Analysis: Embark on an insightful journey into the core of this sophisticated system, concentrating on the Frontside. Uncover the seamless integration of each element, orchestrated to provide extraordinary performance and unwavering reliability.
Revolutionary Working Principle: Welcome an era of air compression where state-of-the-art innovation meets exceptional efficiency, redefining industry standards with a pledge towards sustainability and unparalleled performance.
At the forefront of air compression technology, our system exemplifies peak efficiency through the masterful synergy of single-stage and multi-stage configurations. While both systems theoretically demand similar energy, real-world inefficiencies such as transmission power losses, bearing friction, and cooling dynamics typically increase energy usage. Our multi-stage systems, by meticulously reducing the compression ratio at each stage, achieve exceptional efficiency, significantly curbing energy consumption compared to single-stage counterparts. This sophisticated approach not only elevates system performance but also drastically reduces energy excess, establishing a groundbreaking benchmark in power efficiency.
Introducing the groundbreaking 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 boasting an active screw that propels a passive one via a skillfully engineered external power transfer system. The initial stage contains a low-pressure screw assembly optimized for superior performance, while the subsequent stage houses a high-pressure screw assembly. Central to this elaborate process are sealing air films enveloping each screw, guiding compression through three critical phases: seamless air intake, dynamic pressurization propelling efficiency to unprecedented levels, and the final exhaust phase, culminating the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of the two-stage screw air compressor showcases engineering excellence. A detailed low-pressure screw assembly initiates the process, directing gas into the compression chamber through a perfectly tuned suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, laying the foundation for enhanced compression in the next phase, setting the stage for outstanding performance.
Second Stage Compression: As gas advances 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 peak when the exhaust valve opens, permitting high-pressure gases to seamlessly exit the system, completing an intricate compression cycle characterized by unparalleled efficiency and sophistication.
The sophisticated air compression journey begins as ambient air effortlessly traverses the air filter, merging with a touch of lubricating oil within the compression chamber. This blend undergoes initial compression to intermediate pressure, followed by substantial cooling via interaction with oil mist in the cooling channel. The cooled gas then proceeds 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 end 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. |
The water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd. are a marvel of modern engineering and a testament to precision craftsmanship. By leveraging the exceptional cooling prowess of water, these compressors provide superior lubrication and extend the lifespan of components that are susceptible to friction. The circulating cooling water system meticulously cleanses internal parts, while efficiently dissipating excess heat from both the cylinder and the compressed gas. This sophisticated mechanism dramatically reduces exhaust temperatures, cuts down power consumption, and leads to substantial cost savings in operations. To ensure these compressors continue operating at peak performance, it's essential to regularly monitor and manage any potential scaling issues within the cooling system promptly.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor is an engineering marvel, designed to deliver exceptional constant torque across a wide weak magnetic spectrum. This motor boasts an extraordinary 20-30% higher efficiency than conventional motors. Even when operating beyond rated frequencies, the PM motor maintains its superior efficiency, ensuring optimal performance under all operational conditions.
2) Motor maintenance-free:This revolutionary permanent magnet motor features an innovative bearing-free design, eliminating the typical costs associated with motor bearing maintenance and replacement. This pioneering design significantly reduces overall maintenance expenses, ensuring a hassle-free experience.
3) Integrated frequency converter: Equipped with China's top-tier frequency system, our compressor offers a wide range of speed regulation with unmatched precision. The system adeptly adjusts in real-time to meet gas demands, ensuring maximum energy efficiency and peak operational performance.
4) No transmission loss: Featuring a direct shaft connection design, the compressor incorporates an embedded permanent magnet motor for a sleek and compact architecture. This intelligent design eliminates the need for couplings and other transmission components, thus achieving perfect 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design is engineered to minimize impact on power grid equipment, effectively protecting electrical systems from potential damage and significantly extending the lifespan of the entire system.
6) Reduced energy consumption: With an impressive frequency conversion range of 25% to 100% (compared to the standard 50% to 100%), our system provides over 30% energy savings compared to fixed-speed compressors and around 5% more savings than typical variable frequency compressors, delivering substantial benefits for systems with fluctuating gas consumption needs.
7) Unique two-stage compression air end:The two-stage compression screw machine is a masterpiece of engineering, integrating first and second-stage compression rotors within a single casing. Each rotor is driven 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 method delivers exceptional cooling effects, significantly lowering the temperature of the compressed air. This results in nearly isothermal compression, reduced pressure loss between stages, and a lower compression ratio, enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly reduces the compression ratio for each stage, minimizing internal leakage between high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio inherent in the two-stage system significantly lowers noise levels, particularly during unloading operations, ensuring a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite the advanced design of the two-stage compression system, the remaining components and structures retain similarities to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Crafted with noise-dampening metal plates and lined with high-density sound-absorbing material, the unit complies with 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 influence with our astonishingly competitive ex-factory pricing. This singular advantage empowers our clients to not only outperform competitors but also carve out a significant position in their industry landscapes, leaving an indelible impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unparalleled efficiency and direct dealings as our products are dispatched directly from our cutting-edge manufacturing facility. Our economically astute solutions are intricately engineered to align with your specifications, ensuring precision and ultimate satisfaction at every juncture.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Harness our extensive production expertise and adept management to deliver outstanding OEM/ODM services. These solutions are devised to integrate seamlessly with your exact needs and strategic business objectives, ensuring your vision is executed with precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we offer bespoke customization across parameters like voltage, power, and pressure. Reach out to us for personalized solutions crafted to precisely meet your distinct requirements, ensuring tailor-made precision.
5. Acceptance of Small Orders: Discover Our Quality
Initiate with a small trial order to experience the exceptional quality and reliable performance our products guarantee. Your satisfaction is our ultimate pledge, and we are dedicated to exceeding your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Benefit from our rapid delivery services, meticulously crafted to maintain seamless and uninterrupted operations. With our premium products, your schedules are prioritized and consistently adhered to with precision.
7. Complete Authorization: Empower Your Enterprise
Fortify 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 luminary in air compression technology, proudly leveraging over a decade of unmatched industry expertise. As innovators at the forefront, we present an extensive array of cutting-edge products, including state-of-the-art screw air compressors and pioneering screw vacuum pumps. Our diverse collection features not only standard models but also innovative low-pressure screw air compressors, avant-garde permanent magnet frequency conversion units, and highly durable two-stage compression systems. Our screw air compressors redefine industry benchmarks, meticulously designed for laser cutting, adaptable single and double-tank mobile use, as well as versatile electric and diesel mobile applications. Our groundbreaking screw vacuum pumps are crafted with precision and dependability at their core, reaffirming our status as trailblazers in the industry.
Our manufacturing prowess is powered by state-of-the-art assembly lines, achieving unmatched efficiency and effectiveness. With a dedicated team of over 50 skilled professionals, we consistently enhance our management systems, such as ERP, drastically reducing lead times and guaranteeing swift delivery of our superior products.
Our unwavering dedication to exceptional management is underscored by our prestigious ISO9001 quality management system certification. By upholding stringent quality standards and utilizing rigorous control measures, every machine undergoes comprehensive inspections, including material evaluations, production assessments, and meticulous pre-delivery checks. This ensures that only machines of the highest quality reach our cherished customers.
Our dedication to outstanding customer service starts with expert pre-sales consultations, guiding clients to select the ideal air equipment tailored to their unique needs. Our unparalleled customization capabilities allow us to tailor both appearance and configuration to individual preferences and provide OEM services for specific dealer requirements. Our dedicated sales and service team ensures prompt and effective responses, ensuring seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to deliver superior, dependable products while nurturing enduring customer relationships. By merging swift delivery with exemplary 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 offer complimentary transportation from Xinzheng International Airport, conveniently situated just 30 kilometers away, a mere hour's drive. We eagerly welcome you to visit our distinguished facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer with a specialization in screw air compressors, boasting over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they align with our exceptional quality standards.
2. Our assembly procedures are executed with precision to maintain unparalleled excellence.
3. Every machine is subjected to a minimum of five 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 bespoke solution precisely 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 a captivating array of voltage options, each meticulously designed with precision to address the distinctive requirements of diverse global regions. Choose from our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to crafting bespoke solutions through our exclusive customization services ensures our products seamlessly integrate with your operational framework. This steadfast dedication culminates in unmatched adaptability and efficiency, empowering your enterprise with the zenith of performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we distinguish ourselves with our swift order processing, achieving completion within a remarkable 15 working days following order confirmation. For custom orders, our proactive sales team will work closely with you to craft a timeline that aligns perfectly with your requirements, ensuring a seamless and punctual delivery process. Our meticulous attention to detail guarantees your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully designed to offer simplicity and convenience. We initiate production with a 30% T/T upfront payment, then proceed with a 40% T/T prior to shipment, concluding with the final 30% T/T payment upon receipt of the B/L copy. We facilitate transactions in both USD and RMB currencies, offering flexibility and ease for our valued clients.
Q8. How about your warranty?
A: We provide an extensive one-year warranty on the entire machine, complemented by an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This comprehensive coverage offers unmatched protection and peace of mind, safeguarding your investment with premier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we recommend initiating maintenance after the initial 500 hours of use. Following this, regular servicing every 2000-3000 hours is advised, 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 robust machines are expertly engineered to thrive in high-temperature environments. They operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent functionality even under the most demanding 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 warmly welcome custom orders and are committed to actualizing your unique ideas 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 offering an extraordinary lifespan exceeding 10 years. This guarantees reliable and enduring performance, consistently supporting your operations for the long term. Invest in our compressors for lasting dependability.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are dedicated to providing ongoing support by supplying essential spare parts for your machines. This ensures seamless operations and reduces downtime, enabling 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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