Step into a world of supreme performance and unmatched excellence with the Sanzhi 250KW Energy-Efficient Water Cooling Two-Stage Screw Air Compressor. This product stands as a stellar testament to the brilliance of German engineering and innovation. Proudly brought to you by Sanzhi (Henan) Compressor Co., Ltd., a leader in China's compressor industry, this groundbreaking marvel is here to revolutionize your operational framework. Embrace the future with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, celebrated for establishing new benchmarks in factory pricing standards. This engineering masterpiece, enhanced with cutting-edge Centrifugal Fans, ensures remarkable energy efficiency coupled with significant cost savings, transforming the economics of industrial operations. Designed with painstaking precision for stationary use, this formidable machine meets the rigorous demands of industrial settings, setting new standards for both performance and dependability. Elevate your operational capabilities with this unparalleled standard of excellence, reaching extraordinary new heights.
In-Depth Analysis: Embark on a captivating exploration into the heart of this advanced system, with a focused lens on the Frontside. Discover the harmonious fusion of each component, meticulously orchestrated to deliver extraordinary performance and steadfast reliability.
Revolutionary Working Principle: Welcome the dawn of a transformative era in air compression, where state-of-the-art innovation meets unparalleled efficiency. This pioneering approach revolutionizes industry standards, offering unmatched performance with an emphasis on sustainability.
At the pinnacle of air compression technology, our system exhibits optimal efficiency through the expert combination of single-stage and multi-stage configurations. While theoretically similar in energy demands, real-world influences like power loss, bearing friction, and cooling dynamics can increase energy requirements. By thoughtfully minimizing the compression ratio at each stage, our multi-stage systems achieve superior efficiency, significantly reducing energy consumption compared to single-stage models. This advanced strategy not only enhances system performance but also dramatically cuts excess energy, establishing a new 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 technological marvel features an innovative dual rotary screw mechanism, where each stage operates with an active screw propelling a passive one through a meticulously designed external power transfer system. The first stage comprises a low-pressure screw assembly fine-tuned for optimal performance, while the second stage hosts a high-pressure screw assembly. Central to this sophisticated process are sealing air films enveloping each screw, steering compression through three pivotal phases: seamless air intake, dynamic pressurization propelling efficiency to new heights, 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 complex low-pressure screw assembly initiates the process, channeling gas into the compression chamber through a precisely calibrated suction valve. As the rotor rotates at remarkable speeds, the gas undergoes initial compression, laying the foundation for increased compression in the subsequent stage, thus priming the system for exceptional performance.
Second Stage Compression: As gas advances to the second stage, it enters a skillfully designed, more compact screw space where both pressure and temperature are meticulously elevated to new levels. This process hits its peak when the exhaust valve opens, enabling high-pressure gases to smoothly exit the system. This concludes an intricate compression cycle, marked by unmatched efficiency and sophistication.
The refined air compression journey begins as ambient air effortlessly passes through the air filter, merging 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 moves to the second-stage rotor, undergoing a secondary compression phase to attain the desired final exhaust pressure. This precisely orchestrated cycle concludes as the compressed gas is gracefully 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. |
Experience the pinnacle of engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors. These marvels of precision utilize water's powerful cooling capabilities to extend the lifespan of key components, expertly lubricating and maintaining them in peak condition. The cooling system's continuous water flow not only thoroughly cleanses interior parts but also efficiently removes heat from both the cylinder and compressed gas. This advanced mechanism significantly lowers exhaust temperatures and power usage, translating into substantial savings on operational costs. It's vital to ensure that the cooling system is free from scaling to sustain this high level of performance.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor is engineered to perfection, delivering a constant torque range within a broad weak magnetic field. This innovation achieves up to 30% higher efficiency than standard motors. Its superior performance is maintained even beyond rated frequencies, ensuring it operates at peak efficiency under any condition.
2) Motor maintenance-free:The revolutionary design of the permanent magnet motor eliminates the need for bearings, effectively removing the expense and hassle associated with bearing maintenance and replacement, resulting in a more cost-efficient solution.
3) Integrated frequency converter: Equipped with China's top-tier frequency system, our compressor offers precise and extensive speed regulation. The system seamlessly adapts in real-time to the fluctuating gas demands, maximizing energy efficiency and ensuring optimal operational performance.
4) No transmission loss: Championing a direct shaft connection, the compressor incorporates an innovative embedded permanent magnet motor within its streamlined design. By eliminating couplings and transmission components, this configuration achieves impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:The sophisticated motor design minimizes the impact on power grid systems, protecting electrical infrastructure from damage and significantly prolonging the system's overall lifespan.
6) Reduced energy consumption: With a remarkable frequency conversion range from 25% to 100%-outperforming traditional 50% to 100% systems-our compressor realizes over 30% energy savings compared to fixed-speed models and additional savings against standard variable frequency systems. This offers substantial benefits for applications with variable consumption.
7) Unique two-stage compression air end:This exceptional two-stage compression screw machine is ingeniously designed to house both first and second-stage compression rotors within a unified casing. Each rotor is powered by its own gear system, ensuring optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our innovative internal spray curtain cooling technique delivers exceptional cooling, significantly reducing the temperature of compressed air. This achieves near-isothermal compression with minimized pressure loss between stages, enhancing the overall efficiency of compression.
9) Reduced internal leakage:By significantly lowering the compression ratio for each stage, the two-stage system minimizes internal leakage between high and low-pressure sections, thereby boosting volumetric efficiency.
10) Noise reduction:The two-stage system's reduced compression ratio considerably decreases noise levels, particularly during unloading operations, providing a quieter and more peaceful work environment.
11) Easy maintenance and service:Despite the advanced two-stage compression architecture, our system's remaining components and design maintain similarities to single-stage compressors, ensuring user-friendly maintenance and service processes.
12) Door Panels are Removable:Constructed with noise-suppressing metal plates and lined with premium sound-absorbing material, the unit meets international noise standards. The door panels can be effortlessly removed, offering 270-degree full access that enhances maintenance efficiency and ease for service personnel.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market presence with our remarkably competitive ex-factory pricing. This distinctive advantage empowers our clients to not only outperform rivals but also secure a formidable position in their industry landscapes, making their mark with undeniable impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Benefit from unmatched efficiency and direct dealings as our products are dispatched straight from our state-of-the-art manufacturing facility. Our economically savvy solutions are meticulously engineered to match your specifications, ensuring precision and ultimate satisfaction every step of the way.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our extensive production prowess and expert management to offer superior OEM/ODM services. These solutions are crafted to integrate seamlessly with your precise needs and strategic business goals, ensuring your vision is realized with 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. Contact us to uncover personalized solutions crafted to meet your distinct requirements with precision.
5. Acceptance of Small Orders: Discover Our Quality
Begin with a small trial order to experience the outstanding quality and consistent performance our products promise. Your satisfaction is our ultimate commitment, and we aim to exceed your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our rapid delivery services, meticulously designed to keep your operations seamless and uninterrupted. With our top-tier products, your schedules are prioritized and always adhered to 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 unyielding confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines brightly as a beacon in the realm of air compression technology, proudly wielding over a decade of unrivaled industry expertise. Positioned at the vanguard of innovation, we offer a vast spectrum of avant-garde products, including next-generation screw air compressors and revolutionary screw vacuum pumps. Our expansive range encompasses not only traditional models but also groundbreaking low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and exceptionally robust two-stage compression systems. Our screw air compressors set new industry standards, meticulously engineered for laser cutting, adaptable for single and double-tank mobile use, as well as versatile electric and diesel mobile applications. Our trailblazing screw vacuum pumps are meticulously crafted with precision and reliability at their heart, solidifying our status as pioneers in the industry.
Our manufacturing prowess is driven by cutting-edge assembly lines, delivering unparalleled efficiency and effectiveness. Supported by 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 superior products.
Our steadfast dedication to exceptional management is highlighted by our prestigious ISO9001 quality management system certification. By maintaining stringent quality standards and implementing rigorous control measures, each machine undergoes thorough inspections, including material evaluations, production assessments, and meticulous pre-delivery checks. This guarantees that only machines of the highest quality reach our valued customers.
Our commitment to outstanding customer service begins with expert pre-sales consultations, guiding clients in selecting the ideal air equipment tailored to their unique needs. Our unrivaled customization capabilities allow us to adapt both appearance and configuration to individual preferences and offer OEM services for specific dealer requirements. Our devoted sales and service team ensures prompt and effective responses, delivering seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to provide superior, dependable products while fostering enduring customer relationships. By harmonizing swift delivery with exemplary product quality and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Situated in Xinzheng City, Henan Province, China, our facility offers unrivaled 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 distinguished 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 a minimum of five continuous hours of rigorous testing before dispatch, guaranteeing 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 offering a dynamic array of voltage options, each thoughtfully crafted to satisfy the specific requirements of diverse regions across the globe. Choose from our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast commitment to delivering bespoke solutions through elite customization services ensures our products integrate flawlessly with your operational demands, offering unmatched adaptability and efficiency. Empower your business with the epitome of performance and reliability through our unwavering dedication.
Q6. How long is the delivery time?
A: With standard voltage specifications, we distinguish ourselves with exceptionally swift order processing, completing orders within a remarkable 15 working days post confirmation. For bespoke orders, our proactive sales team collaborates closely with you to craft a timeline that fits your specific requirements, ensuring a smooth and punctual delivery experience. Our meticulous attention to detail guarantees your ultimate satisfaction.
Q7. What's the payment term?
A: Our payment terms are carefully designed for maximum simplicity and convenience. Production commences with an initial 30% T/T payment, followed by 40% T/T prior to shipment, and concluding with the final 30% T/T payment upon receipt of the B/L copy. We accommodate transactions in both USD and RMB currencies, offering flexibility and ease for our esteemed clientele.
Q8. How about your warranty?
A: We provide a comprehensive one-year warranty on the complete machine, alongside an additional two-year warranty on the screw air compressor, excluding consumable parts. This extensive coverage ensures unmatched protection and peace of mind, safeguarding your investment with premier assurance.
Q9. What about the maintenance?
A: To maintain peak performance and longevity, we advise initiating maintenance after the first 500 hours of use. Thereafter, routine servicing every 2000-3000 hours is recommended, customized to your specific working conditions. This maintenance regimen is crucial for maintaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our advanced machines are expertly engineered to thrive in high-temperature environments, operating seamlessly in a temperature range of -20°C to 45°C (-4°F to 113°F). This ensures consistent functionality even under the most challenging conditions, keeping your operations resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we are delighted to offer both OEM and ODM services, backed by our expert design team. We warmly welcome custom orders, committing to bringing your unique ideas to life with precision and excellence. Collaborate with us for unmatched customization solutions.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously crafted for exceptional longevity, typically providing an extraordinary lifespan of over 10 years. This guarantees reliable and enduring performance, consistently supporting your operations over the years. Invest in our compressors for enduring dependability.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are fully committed to providing continuous 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 committed to delivering exceptional after-sales service. Our extensive offerings include thorough online guides for installation and commissioning, complemented by access to our expert engineers for training and installation assistance. Your satisfaction and success are our top priorities, ensuring you receive unparalleled support and guidance.
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