Immerse yourself in the unparalleled excellence of the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor with German Technology. Sanzhi (Henan) Compressor Co., Ltd., a venerated leader in China's compressor industry, proudly brings you this stellar innovation. Transform your operational landscape with our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, heralded as a revolutionary force in factory pricing benchmarks. This marvel of engineering, featuring advanced Centrifugal Fans, achieves extraordinary energy efficiency and substantial cost savings. Crafted with meticulous precision for stationary applications, this formidable workhorse seamlessly caters to the demanding needs of industrial environments, establishing new heights in performance and reliability.
In-Depth Analysis: Embark on a Comprehensive Exploration of the Internal Structure - Frontside
Revolutionary Working Principle: Ushering in a New Era of Air Compression Technology
Positioned at the cutting edge of air compression technology, our pursuit of supreme efficiency is achieved through the meticulous equilibrium between single-stage and multi-stage systems. In theory, both systems should utilize equal energy. However, due to practical factors such as transmission power losses, bearing friction, and cooling effects, additional energy is often required. By expertly minimizing the compression ratio at each stage, multi-stage systems achieve unrivaled efficiency, dramatically decreasing power consumption compared to single-stage systems. This advanced methodology not only elevates overall system performance but also significantly reduces excess energy use, establishing a pioneering benchmark in power optimization.
Presenting the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological wonder features a cutting-edge dual rotary screw mechanism. In each stage, an active screw drives a passive screw through an expertly engineered external power transfer system. The initial stage boasts a low-pressure screw assembly designed for peak efficiency, while the second stage contains a high-pressure screw assembly. Central to this advanced process are sealing air films around each screw, which guide compression through three pivotal phases: seamless air intake, dynamic pressurization that elevates efficiency to unprecedented levels, and the final exhaust phase, completing the cycle with unmatched precision and expertise.
First Stage Compression: The inception phase of the two-stage screw air compressor epitomizes engineering excellence. A sophisticated low-pressure screw assembly leads the process, channeling gas into the compression chamber via a precisely engineered suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, preparing the system for intensified compression in the following phase, thus priming it for outstanding performance.
Second Stage Compression: Upon advancing to the second stage, the gas enters a uniquely designed, more constrained screw space, where pressure and temperature are meticulously heightened to new standards. This process peaks as the exhaust valve opens, allowing high-pressure gases to exit the system. This finalizes an intricate compression cycle, characterized by unparalleled efficiency and sophistication.
The intricate journey of air compression begins as ambient air effortlessly passes through the air filter, mingling with a hint of lubricating oil within the compression chamber. This mixture undergoes initial compression to an 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, encountering a secondary compression phase to achieve the desired final exhaust pressure. This meticulously crafted cycle culminates as the compressed gas is elegantly expelled through the exhaust valve, marking the conclusion of a remarkably 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. |
Sanzhi (Henan) Compressor Co., Ltd. presents its water-cooled compressors, a pinnacle of precision engineering. Utilizing water's superior thermal exchange capabilities, these compressors enhance lubrication and extend the lifespan of components susceptible to wear. The circulating water system masterfully cleanses and cools internal parts, efficiently dissipating heat from both the cylinder and compressed gas. This advanced mechanism significantly reduces exhaust temperatures and power consumption, resulting in substantial operational savings. To ensure consistent performance, regular monitoring and management of potential scaling within the cooling system are vital.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor delivers extraordinary constant torque across a wide weak magnetic spectrum, achieving an efficiency boost of 20-30% over conventional motors. Even at frequencies surpassing the rated level, this PM motor maintains its superior efficiency, guaranteeing optimal performance under all operating scenarios.
2) Motor maintenance-free:The innovative design of the permanent magnet motor eliminates bearings, thereby removing the ongoing expenses of motor bearing maintenance and replacement. This groundbreaking design substantially reduces overall maintenance costs.
3) Integrated frequency converter: Fitted with a premier frequency system from China, our compressor offers precise and extensive speed regulation, adapting dynamically to real-time gas demands. This results in impressive energy savings and optimal operational efficiency.
4) No transmission loss: Featuring a direct shaft connection, the compressor integrates a permanent magnet motor, creating a streamlined and compact form. This cutting-edge design eradicates the need for couplings and other transmission elements, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:The sophisticated motor design reduces impact on power grid equipment, protecting electrical systems from damage and prolonging overall system life.
6) Reduced energy consumption: Boasting an exceptional frequency conversion range of 25% to 100%, our system delivers over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency models. This offers significant benefits for systems with variable gas needs.
7) Unique two-stage compression air end:Our expertly engineered two-stage compression screw machine integrates first and second-stage compression rotors within a single casing. Each rotor, driven by individual gears, ensures optimal linear speed and maximum compression efficiency.
8) Internal spray curtain cooling method: Our high-performance internal spray curtain cooling method delivers outstanding cooling, dramatically reducing compressed air temperatures. This leads to near-isothermal compression, decreased pressure loss between stages, and a lower compression ratio, enhancing overall efficiency.
9) Reduced internal leakage:The two-stage compression system significantly lowers the compression ratio at each stage, minimizing internal leakage between high and low-pressure ends, thus elevating volumetric efficiency.
10) Noise reduction:The reduced compression ratio in our two-stage system markedly decreases noise levels, especially during unloading processes, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite its advanced two-stage compression design, our system retains similarities to single-stage compressors, guaranteeing straightforward maintenance and user-friendly service.
12) Door Panels are Removable:Crafted with noise-dampening metal and lined with high-density sound-absorbing material, the unit meets global noise standards. Its door panel opens and detaches effortlessly, providing 270-degree access that significantly facilitates maintenance and enhances service efficiency.
1. Unbeatable Pricing Edge
Achieve unparalleled market supremacy with our incredibly competitive ex-factory pricing. This powerful strategic advantage allows our clients to consistently surpass their rivals, ensuring sustained success and growth in their respective markets.
2. Seamless Direct Transactions
Benefit from unmatched efficiency with our products, directly delivered from our cutting-edge manufacturing facility. Our economically tailored solutions meet your exact specifications, guaranteeing precise outcomes and complete satisfaction.
3. Extensive OEM & ODM Solutions
Harness our substantial production capacities and expert management for outstanding OEM/ODM services. Our offerings are designed to perfectly match your specific requirements and strategic business goals, providing a seamless integration.
4. Tailored Customization Service
We excel in catering to non-standard export orders, offering customization in parameters such as voltage, power, and pressure. Connect with us to discover bespoke solutions meticulously crafted to meet your exclusive needs.
5. Acceptance of Small Orders
Initiate with a small trial order to experience the remarkable quality and performance our products continually deliver. Ensuring your satisfaction remains our utmost priority.
6. Swift Delivery
Take advantage of our rapid delivery services, ensuring your business operations proceed without disruption, with our top-tier products meeting all your deadlines reliably.
7. Complete Authorization
Empower your enterprise with our full range of authorization certificates. Our distinguished distributors can confidently promote the prestigious SANZHI brand products with unwavering pride and assurance.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. is a vanguard in the world of air compression systems, proudly showcasing more than ten years of exceptional expertise. We lead the charge in innovation with a dynamic array of advanced products, featuring top-tier screw air compressors and groundbreaking screw vacuum pumps. Our diverse selection spans standard and low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion models, and robust two-stage compression units. Elevating industry standards, our screw air compressors are crafted with precision for laser cutting, adaptable single-tank and double-tank mobile applications, as well as electric and diesel mobile setups. Additionally, our revolutionary screw vacuum pumps are designed for unmatched accuracy and reliability, cementing our reputation as industry pioneers.
Our manufacturing capabilities are second to none, powered by ultramodern assembly lines that drive efficiency and effectiveness to new heights. Supported by a diligent team of over 50 talented professionals, we continually enhance our management systems, such as ERP, to dramatically reduce lead times and ensure the rapid delivery of our superior products.
Our steadfast dedication to excellence in management is highlighted by our prestigious ISO9001 quality management system certification. By adhering to rigorous quality standards through comprehensive control measures, every machine is subject to thorough inspections, including material evaluations, production assessments, and detailed pre-delivery checks, guaranteeing that only the finest machines reach our valued customers.
Our devotion to outstanding customer service begins with expert pre-sales consultations, assisting clients in selecting the perfect air equipment tailored to their specific needs. Our unrivaled customization abilities allow us to adjust both appearance and configuration to personal preferences, providing OEM services to meet the distinct requirements of our dealers. Our dedicated sales and service team ensures swift and effective responses, offering seamless and efficient after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to provide superior, reliable products while nurturing lasting customer relationships. By combining rapid delivery with exceptional product quality and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Centrally located in Xinzheng City, Henan Province, China, our facility offers exceptional convenience for clients. We offer complimentary transportation from Xinzheng International Airport, only 30 kilometers away-a brief hour's drive. We warmly welcome you to visit our esteemed facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer focusing on screw air compressors, equipped with over a decade of established industry expertise.
Q2. How do you control quality?
A: 1. Stringent inspections are performed on all raw materials to ensure outstanding quality.
2. Our assembly processes are meticulously carried out to uphold unmatched excellence.
3. Each machine undergoes no less than 5 continuous hours of comprehensive testing before dispatch to guarantee 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 customized solution precisely tailored to your specifications!
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 delighted to offer an expansive array of voltage options, meticulously crafted to cater to diverse regional needs. Select from our versatile configurations including: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to delivering bespoke solutions is reflected in our exclusive customization services, ensuring our products impeccably align with your operational needs. This dedication translates into unmatched adaptability and efficiency, empowering your enterprise with supreme performance and reliability.
Q6. How long is the delivery time?
A: With our standard voltage specifications, we excel in swift order processing, completing it within an impressive span of 15 working days post-confirmation. For custom orders, our proactive sales team collaborates closely with you to devise a timeline that perfectly suits your needs, ensuring smooth and timely delivery. Our meticulous approach guarantees your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are crafted for simplicity and convenience. We require an initial 30% T/T payment to initiate production, followed by 40% T/T before shipment, and the final 30% T/T upon receiving the B/L copy. We accommodate payments in both USD and RMB currencies, offering flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We proudly offer a comprehensive one-year warranty on the complete machine, complemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage ensures unmatched protection and peace of mind, safeguarding your investment with top-tier assurance and reliability.
Q9. What about the maintenance?
A: To ensure peak performance and durability of your equipment, we recommend initial maintenance after 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is essential for sustaining optimal durability and unfaltering reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are engineered to excel in high-temperature environments. They operate seamlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring reliable functionality even under the most challenging conditions. Your operations will remain resilient and exceptionally efficient.
Q11. Do you offer OEM service?
A: Certainly, we are proud to offer both OEM and ODM services, supported by our highly skilled design team. We welcome custom orders and are committed to bringing your unique ideas to life, ensuring your vision is realized with precision and excellence. Partner with us for unparalleled customization and innovation.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for longevity, typically delivering an extraordinary lifespan of over 10 years. This ensures reliable and enduring performance, consistently supporting your operations over the years. Invest in our compressors for long-term reliability and peace of mind.
Q13. Will you provide some spare parts for the machines?
A: Certainly, our commitment to providing ongoing support includes supplying essential spare parts for your machines. This ensures seamless and uninterrupted operations, enabling you to maintain optimal performance and reduce downtime significantly.
Q14. How about your after-sales service?
A: We are dedicated to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, coupled with access to our expert engineers for training and installation assistance. Your satisfaction and success are our top priorities, ensuring you receive unparalleled support and expertise.
){kind=link}