Step into a realm of unparalleled superiority with the Sanzhi 335HP Water Cooling 2-Stage Screw Air Compressor, a testament to the pinnacle of German engineering craftsmanship. Proudly presented by Sanzhi (Henan) Compressor Co., Ltd., a vanguard in China's compressor industry, this groundbreaking innovation is set to transform your industrial operations. Experience the Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor without compromise, thanks to revolutionary factory pricing standards. This engineering marvel, equipped with state-of-the-art Centrifugal Fans, epitomizes extraordinary energy efficiency and fosters significant cost reductions, revolutionizing the economics of operations. Tailored with exacting precision for stationary use, this mighty machine effortlessly fulfills the stringent requirements of industrial settings, establishing new standards in both performance and reliability. Embark on a journey into a new era of industrial prowess where your operations ascend to unprecedented levels. The Sanzhi 335HP Compressor is crafted to offer remarkable energy efficiency, substantial cost savings, and unsurpassed reliability. Enhance your operational potential with a design that seamlessly integrates cutting-edge technology and German engineering brilliance. Embrace the future of industrial performance with a product that not only fulfills but exceeds industry expectations, redefining excellence in the sector.
In-Depth Analysis: Embark on a riveting journey into the heart of innovation with our advanced system, focusing on the Frontside. Discover the harmonious synergy of each intricately designed component, expertly crafted to consistently deliver outstanding performance and steadfast reliability, redefining excellence.
Revolutionary Working Principle: Step into the future of air compression, where avant-garde innovation converges with exceptional efficiency. This groundbreaking system establishes new industry paradigms, with an unwavering dedication to sustainability paired with unmatched performance, revolutionizing standards and setting a new benchmark.
At the forefront of air compression mastery, our system exemplifies pinnacle efficiency through the brilliant integration of single-stage and multi-stage configurations. While both systems theoretically demand similar energy, practical inefficiencies like transmission power losses, bearing friction, and cooling dynamics can elevate energy consumption. Our multi-stage systems meticulously lower the compression ratio at each stage, achieving extraordinary efficiency and substantially reducing energy usage compared to single-stage models. This sophisticated strategy not only elevates system performance but also significantly trims 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 marvel of technology features a sophisticated dual rotary screw mechanism, with each stage deploying an active screw to drive a passive counterpart via a precisely engineered external power transfer system. The initial stage showcases a low-pressure screw assembly, meticulously 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 enveloping each screw, guiding compression through three critical phases: seamless air intake, dynamic pressurization elevating efficiency to new heights, and the culminating exhaust phase, marking the cycle with unparalleled precision and excellence.
First Stage Compression: The inaugural phase of this two-stage screw air compressor exemplifies engineering brilliance. The detailed low-pressure screw assembly begins the process by drawing gas into the compression chamber through a finely tuned suction valve. As the rotor spins at extraordinary speeds, the gas undergoes initial compression, setting the foundation for enhanced compression in the subsequent phase, paving the way for exceptional performance.
Second Stage Compression: As gas transitions into the second stage, it enters a meticulously designed, more confined screw space where both pressure and temperature are precisely elevated. This process reaches its climax when the exhaust valve opens, allowing high-pressure gases to effortlessly exit the system, completing a sophisticated compression cycle characterized by unmatched efficiency and refinement.
The intricate journey of air compression commences as ambient air gracefully flows through the air filter, merging with a hint of lubricating oil inside the compression chamber. This blend undergoes initial compression to intermediate pressure, followed by significant cooling through interaction with oil mist within 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 conclusion 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 true marvel of cutting-edge engineering and a vivid representation of precision craftsmanship. Utilizing the remarkable cooling capabilities of water, these compressors not only provide superior lubrication but also significantly extend the lifespan of components prone to friction. The sophisticated circulating cooling water system meticulously cleanses internal components while efficiently dissipating excess heat from both the cylinder and the compressed gas. This advanced mechanism dramatically reduces exhaust temperatures, decreases power consumption, and results in substantial operational cost savings. To ensure these compressors maintain their peak performance, it's crucial to regularly monitor and swiftly manage any potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor stands as an engineering marvel, exquisitely crafted to deliver exceptional constant torque across an expansive weak magnetic spectrum. Boasting an extraordinary efficiency that surpasses traditional motors by 20-30%, this motor maintains its unmatched performance even beyond rated frequencies, ensuring optimal performance under all operational conditions.
2) Motor maintenance-free:This revolutionary permanent magnet motor showcases an innovative and bearing-free design, effectively eliminating the conventional costs associated with motor bearing maintenance and replacement. This groundbreaking design significantly reduces overall maintenance expenses, providing an effortless and hassle-free user experience.
3) Integrated frequency converter: Equipped with China's top-tier frequency system, our compressor boasts an extensive range of precise speed regulation. The system adeptly adjusts in real-time to meet varying gas demands, ensuring maximum energy efficiency and peak operational performance.
4) No transmission loss: Featuring a direct shaft connection design, the compressor integrates an embedded permanent magnet motor for a sleek and compact architecture. This intelligent design eliminates the need for couplings and other transmission components, thereby achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design is meticulously engineered to minimize impact on power grid equipment, effectively safeguarding 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 approximately 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 singular 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 lowers 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 intrinsic to the two-stage system significantly diminishes 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 remaining components and structures retain similarities to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Thoughtfully crafted with noise-reducing metal plates and lined with dense sound-absorbing materials, the unit complies with global noise standards. Its door panel design allows easy access and removal, offering a 270-degree broad 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 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 beacon of excellence within the realm of air compression technology, boasting over a decade of unmatched industry expertise. As pioneers in the field, we offer an expansive selection of groundbreaking products, including state-of-the-art screw air compressors and innovative screw vacuum pumps. Our product range extends beyond standard models, encompassing advanced low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors redefine standards, offering unparalleled performance for laser cutting, adaptable for both single and double-tank mobility, and versatile electric and diesel mobile applications. Our precision-engineered screw vacuum pumps are a testament to reliability, cementing our status as industry frontrunners.
Our manufacturing prowess is powered by cutting-edge assembly lines, achieving exceptional efficiency and effectiveness. With a dedicated team of over 50 skilled professionals, we continuously enhance our management systems, such as ERP, significantly reducing lead times and ensuring the rapid delivery of our superior products.
Our commitment to excellence in management is underscored by our prestigious ISO9001 quality management system certification. Adhering to rigorous quality standards and employing stringent control measures, each machine undergoes extensive inspections, including detailed material assessments, production evaluations, and thorough pre-delivery checks. This process guarantees that only the highest quality machines reach our valued customers.
Our dedication to outstanding customer service begins with expert pre-sales consultations, guiding clients to select the perfect air equipment tailored to their unique needs. Our unmatched customization capabilities allow us to adapt both appearance and configuration to individual preferences and offer OEM services for specific dealer requirements. Our committed sales and service team provides prompt and effective responses, ensuring seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver top-tier, reliable products while fostering lasting customer relationships. By combining swift delivery with superior product quality and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Located in Xinzheng City, Henan Province, China, our facility offers unparalleled accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, approximately an hour's drive. We warmly invite you to visit our esteemed 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 inspect all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly procedures are executed with precision to maintain unparalleled excellence.
3. Every machine undergoes at least 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 take immense pride in unveiling an enchanting array of voltage options, each crafted with meticulous precision to meet the diverse needs of various global markets. Our adaptable configurations feature: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to creating bespoke solutions through our exclusive customization services ensures seamless integration with your operational framework, offering unmatched adaptability and efficiency that elevates your enterprise to the highest levels of performance and reliability.
Q6. How long is the delivery time?
A: With our standard voltage specifications, we distinguish ourselves with rapid order processing, completing orders within a remarkable 15 working days post-confirmation. For custom orders, our proactive sales team collaborates closely with you to develop a timeline perfectly aligned with your needs, ensuring a smooth and timely delivery. Our meticulous attention to detail guarantees your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully structured to ensure simplicity and convenience. Production initiates with a 30% T/T upfront payment, followed by 40% T/T before shipment, and ends 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 esteemed clients.
Q8. How about your warranty?
A: We provide a comprehensive one-year warranty covering the entire machine, alongside an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This extensive coverage offers unparalleled 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 first 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is vital to 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 perform flawlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even under challenging conditions. Your operations remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly offer both OEM and ODM services, backed by our expert design team. We warmly welcome custom orders and are dedicated 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 masterfully engineered for longevity, typically boasting an extraordinary lifespan exceeding 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 dedicated to offering ongoing support by supplying essential spare parts for your machines. This commitment 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 utmost priorities, ensuring you receive unparalleled support.
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