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: Immerse yourself in a captivating exploration of this advanced system, with a special focus on its Frontside. Witness the flawless synergy of each meticulously crafted component, harmoniously engineered to deliver unparalleled performance with steadfast dependability.
Revolutionary Working Principle: Embrace a new frontier in air compression where cutting-edge technology converges with remarkable efficiency, setting new benchmarks for the industry through its commitment to sustainability and unmatched operational excellence.
Standing at the pinnacle of air compression innovations, our advanced system showcases optimal efficiency through the perfect blend of single-stage and multi-stage configurations. Although both systems are theoretically similar in energy requirements, real-world factors such as transmission power losses, bearing friction, and cooling dynamics often increase energy consumption. Our meticulously engineered multi-stage systems excel by reducing the compression ratio at each stage, achieving remarkable efficiency and significantly decreasing energy usage compared to single-stage systems. This sophisticated design not only enhances system performance but also dramatically minimizes energy wastage, setting a revolutionary standard in power efficiency.
Introducing the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor from Sanzhi (Henan) Compressor Co., Ltd. This exquisite technological wonder features a cutting-edge dual rotary screw mechanism, with each stage equipped with an active screw that drives a passive one via a precisely designed external power transfer system. The first stage encompasses a low-pressure screw assembly perfectly attuned for superior performance, while the second stage houses a high-pressure screw assembly. Central to this intricate process are sealing air films encasing each screw, navigating compression through three essential phases: smooth air intake, dynamic pressurization elevating efficiency to unprecedented heights, and the concluding exhaust phase, bringing the cycle to closure with matchless precision and excellence.
First Stage Compression: The initial phase of the two-stage screw air compressor embodies engineering brilliance. A comprehensive low-pressure screw assembly kicks off the process, channeling gas into the compression chamber via a finely tuned suction valve. As the rotor accelerates at remarkable speeds, the gas undergoes its initial compression, setting the groundwork for enhanced compression in the subsequent phase, and paving the way for exceptional performance.
Second Stage Compression: As gas progresses 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 an intricate compression cycle characterized by unmatched efficiency and sophistication.
The sophisticated air compression journey commences as ambient air effortlessly traverses the air filter, blending with a hint of lubricating oil within the compression chamber. This fusion 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 desired final exhaust pressure. This meticulously coordinated 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 by Sanzhi (Henan) Compressor Co., Ltd. represent the pinnacle of engineering excellence and precise craftsmanship. Through the remarkable cooling capabilities of water, these compressors offer outstanding lubrication, thereby extending the longevity of friction-prone components. The advanced circulating cooling water system not only meticulously cleanses internal parts but also efficiently dissipates excess heat from both the cylinder and compressed gas. This sophisticated system substantially lowers exhaust temperatures, reduces power consumption, and delivers significant operational cost savings. To maintain peak performance, regular monitoring and prompt management of scaling issues in the cooling system are crucial.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is a true marvel of engineering, delivering unparalleled constant torque across a wide weak magnetic spectrum. With an impressive efficiency boost of 20-30% over traditional motors, our PM motor ensures superior performance even beyond rated frequencies, excelling in all operational scenarios.
2) Motor maintenance-free:Our groundbreaking permanent magnet motor showcases an innovative bearing-free design, which eradicates the conventional costs associated with motor bearing maintenance and replacement. This trailblazing design significantly lowers maintenance expenses, promising a seamless, hassle-free experience.
3) Integrated frequency converter: Outfitted with China's elite frequency system, our compressor delivers expansive speed regulation paired with exceptional precision. The system dynamically adjusts in real-time to accommodate gas demands, ensuring the pinnacle of energy efficiency and operational performance.
4) No transmission loss: Our compressor's direct shaft connection design, featuring an embedded permanent magnet motor, offers a sleek and compact architecture. This intelligent design avoids the need for couplings or additional transmission components, thereby achieving a flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design is crafted to minimize impact on power grid equipment, effectively safeguarding electrical systems from damage and greatly extending the overall system lifespan.
6) Reduced energy consumption: Boasting a remarkable frequency conversion range of 25% to 100%-compared to the standard 50% to 100%-our system achieves over 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than conventional variable frequency compressors, providing notable 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, with first and second-stage compression rotors harmoniously integrated within a single casing. Each rotor is powered by individual gears, ensuring optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling technique delivers superb cooling effects, significantly reducing the temperature of compressed air. This results in nearly isothermal compression, diminished pressure loss between stages, and a lower compression ratio, enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly decreases the compression ratio for each stage, minimizing internal leakage between high and low-pressure ends, thereby enhancing volumetric efficiency.
10) Noise reduction:The inherent reduced compression ratio of the two-stage system substantially lowers noise levels, especially during unloading operations, ensuring a quieter and more peaceful working environment.
11) Easy maintenance and service:Despite the advanced nature of the two-stage compression system, the remaining components and structures maintain similarities with single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Engineered with superior noise-dampening metal plates and meticulously lined with top-tier high-density sound-absorbing materials, this sophisticated unit is designed to comply with stringent international noise standards. The innovative door panel opens with ease and can be entirely removed, offering an impressive 270-degree extensive access. This thoughtful design dramatically simplifies the tasks of maintenance personnel, enhancing their ability to perform routine checks and repairs with unparalleled efficiency while ensuring uninterrupted and seamless operational flow.
1. Unbeatable Pricing Edge: Exceptional Value
Transform your market presence with our incredibly competitive ex-factory pricing. This unique strength not only enables clients to surpass competitors but also to establish a prominent footprint within their industry landscapes, leaving a lasting legacy.
2. Seamless Direct Transactions: Efficiency at Its Best
Embrace extraordinary efficiency and direct engagement, as our products are delivered straight from our state-of-the-art manufacturing hub. Our economically savvy solutions are meticulously designed to meet your specifications, ensuring unmatched precision and satisfaction every step of the way.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our vast production expertise and skilled management to provide exemplary OEM/ODM services. These solutions are crafted to flawlessly align with your specific needs and strategic business goals, ensuring your vision is realized with exceptional precision and quality.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we offer bespoke customization in parameters such as voltage, power, and pressure. Engage with us for tailored solutions meticulously crafted to meet your unique requirements, guaranteeing precision that is exclusively yours.
5. Acceptance of Small Orders: Discover Our Quality
Start with a small trial order to experience our unparalleled quality and dependable performance. Your satisfaction is our utmost commitment, and we strive to not only meet but exceed your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our expedited delivery services, expertly designed to ensure smooth and uninterrupted operations. With our top-tier products, your schedules are prioritized and consistently upheld 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 distinguished SANZHI brand products with absolute confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a beacon of excellence in the air compression sector, proudly showcasing over ten years of peerless industry expertise. As trailblazers at the forefront of innovation, we offer a comprehensive selection of advanced products, including cutting-edge screw air compressors and pioneering screw vacuum pumps. Our extensive range boasts not only standard models but also state-of-the-art low-pressure screw air compressors, leading-edge permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors set new industry standards, expertly crafted for laser cutting, adaptable for single and double-tank mobile use, as well as highly versatile electric and diesel mobile applications. Our innovative screw vacuum pumps are engineered with precision and reliability at their core, reaffirming our reputation as industry pioneers.
Our manufacturing excellence is driven by state-of-the-art assembly lines, delivering unparalleled efficiency and productivity. With a dedicated team of over 50 skilled professionals, we continually refine our management systems, such as ERP, significantly reducing lead times and ensuring the swift delivery of our top-tier products.
Our steadfast commitment to superior management is highlighted by our esteemed ISO9001 quality management system certification. By maintaining rigorous quality standards and employing stringent control measures, each machine undergoes thorough inspections, including material evaluations, production assessments, and detailed pre-delivery checks. This guarantees that only the highest quality machines reach our valued customers.
Our commitment to exceptional customer service begins with expert pre-sales consultations, assisting clients in selecting the perfect air equipment tailored to their specific needs. Our unrivaled customization capabilities enable us to modify both appearance and configuration to individual preferences and offer OEM services to meet specific dealer requirements. Our dedicated sales and service team ensures quick and effective responses, providing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to provide premium, reliable products while fostering long-lasting customer relationships. By combining prompt delivery with outstanding product quality and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Located in Xinzheng City, Henan Province, China, our facility provides unrivaled accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, an easy hour's drive. We warmly invite you to visit our prestigious facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer specializing in screw air compressors, with over ten years of distinguished industry expertise.
Q2. How do you control quality?
A: 1. We meticulously vet all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly processes are conducted with precision to uphold unparalleled excellence.
3. Each machine undergoes a minimum of five hours of rigorous testing prior to dispatch, ensuring optimal 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 design a tailored solution precisely crafted to meet 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 proudly unveil an impressive selection of voltage options, each masterfully crafted to fulfill the unique demands of various global regions. Delight in our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast commitment to creating tailored solutions through our exclusive customization services ensures our products harmoniously integrate with your operational framework. This unwavering dedication results in unparalleled adaptability and efficiency, empowering your enterprise with peak performance and steadfast reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we stand out for our rapid order processing, completing within an impressive 15 working days after order confirmation. For custom orders, our proactive sales team will collaborate with you to develop a timeline that perfectly suits your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail ensures your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are crafted for simplicity and ease. We commence production with a 30% T/T upfront payment, followed by a 40% T/T prior to shipment, and conclude with a final 30% T/T payment upon receipt of the B/L copy. We facilitate transactions in both USD and RMB currencies, providing flexibility and convenience for our valued clients.
Q8. How about your warranty?
A: We offer an extensive one-year warranty on the entire machine, accompanied by an additional two-year warranty exclusively for the screw air compressor, excluding consumable parts. This comprehensive coverage delivers unmatched protection and tranquility, safeguarding your investment with superior assurance.
Q9. What about the maintenance?
A: To maintain peak performance and longevity, we advise initiating maintenance after the initial 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is recommended, tailored to your specific working conditions. This routine maintenance is critical for sustaining optimal durability and reliability of your equipment.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are meticulously engineered to excel in high-temperature environments. They operate flawlessly 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 robust 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 committed to bringing your unique ideas to life with precision and excellence. Partner with us for unrivaled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously 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 and peace of mind.
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, enabling you to maintain optimal performance without interruption.
Q14. How about your after-sales service?
A: We are fully committed to delivering outstanding 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 throughout your journey with us.
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