Enter a realm of unparalleled excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a dazzling masterpiece of German engineering brilliance. As a pioneering leader in China's compressor industry, Sanzhi (Henan) Compressor Co., Ltd. proudly presents this groundbreaking innovation. Revolutionize your operational landscape with our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, renowned for its groundbreaking factory pricing standards. This engineering marvel, equipped with state-of-the-art Centrifugal Fans, delivers exceptional energy efficiency and substantial cost savings, transforming operational economics. Crafted with meticulous precision for stationary applications, this formidable powerhouse effortlessly meets the rigorous demands of industrial environments, setting new benchmarks in both performance and reliability. Embrace a new era of industrial excellence where your operations ascend to extraordinary heights. The Sanzhi 250KW Compressor is engineered to provide remarkable energy efficiency, impressive cost savings, and unmatched reliability. Enhance your operational capabilities with a design that integrates advanced technology and German engineering excellence. Explore the future of industrial performance with a product that not only meets but exceeds the expectations of industrial prowess, establishing a new standard for excellence in the sector.
In-Depth Analysis: Embark on an enthralling journey into the core of this avant-garde system, with a spotlight on the Frontside. Experience the harmonious integration of every component, masterfully designed to deliver outstanding performance and steadfast reliability.
Revolutionary Working Principle: Welcome a groundbreaking era in air compression where state-of-the-art innovation harmonizes with exceptional efficiency, setting new industry milestones with a dedication to sustainability and unmatched performance.
At the zenith of air compression technology, our system exemplifies optimal efficiency through the masterful integration of single-stage and multi-stage designs. Although energy requirements are theoretically similar for both systems, real-world inefficiencies such as transmission power losses, bearing friction, and cooling dynamics can increase energy usage. Our multi-stage systems, by carefully minimizing the compression ratio at each stage, attain superior efficiency, significantly slashing energy consumption compared to single-stage counterparts. This sophisticated strategy not only enhances system performance but also substantially reduces energy excess, establishing a pioneering 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 is equipped with an advanced dual rotary screw mechanism, where each stage features an active screw driving a passive counterpart through a precisely engineered external power transfer system. The initial stage contains a low-pressure screw assembly meticulously optimized for supreme performance, while the subsequent stage houses a high-pressure screw assembly. Central to this intricate process are sealing air films surrounding each screw, guiding compression through three critical phases: smooth air intake, dynamic pressurization enhancing efficiency to extraordinary levels, and the concluding exhaust phase, completing the cycle with unparalleled precision and excellence.
First Stage Compression: The inception phase of this two-stage screw air compressor accentuates engineering brilliance. A detailed low-pressure screw assembly initiates the process, directing gas into the compression chamber via a meticulously calibrated suction valve. As the rotor spins at remarkable velocities, the gas undergoes initial compression, laying the groundwork for intensified compression in the subsequent phase, paving the way for exceptional performance.
Second Stage Compression: As gas progresses 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 peak when the exhaust valve opens, allowing high-pressure gases to smoothly exit the system, completing a sophisticated compression cycle defined by unparalleled efficiency and sophistication.
The intricate air compression journey commences as ambient air effortlessly passes through the air filter, merging with a hint of lubricating oil within the compression chamber. This blend undergoes initial compression to intermediate pressure, followed by substantial cooling through interaction with oil mist in the cooling channel. The cooled gas then progresses to the second-stage rotor, encountering a secondary compression phase to reach the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is elegantly discharged through the exhaust valve, marking the culmination of an extraordinarily 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. |
Introducing the water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd., a masterpiece of modern engineering that combines cutting-edge technology with precision artistry. These outstanding machines utilize water's exceptional cooling properties to enhance lubrication and extend the lifespan of components subjected to friction. The meticulously designed circulating cooling water system not only purifies internal components but also efficiently dissipates excess heat from both the cylinder and the compressed gas. This advanced system dramatically reduces exhaust temperatures, decreases power consumption, and delivers remarkable operational cost savings. To maintain the compressors at peak efficiency, it is essential to routinely monitor and promptly address any potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is nothing short of a technological marvel, engineered with precision to provide outstanding constant torque across a broad range of weak magnetic fields. This motor boasts an incredible efficiency, exceeding that of traditional motors by 20-30%, ensuring superior performance even when operating beyond rated frequencies. Its unparalleled performance is assured under all operating conditions, making it a leader in efficiency and reliability.
2) Motor maintenance-free:The innovative design of our permanent magnet motor features a groundbreaking bearing-free architecture, eliminating the traditional costs associated with motor bearing maintenance and replacements. This revolutionary design significantly cuts down on maintenance expenses, offering a seamless and worry-free user experience.
3) Integrated frequency converter: Our compressor is equipped with China's premier frequency system, offering a broad spectrum of precise speed regulation. This sophisticated system adeptly adjusts in real-time to meet diverse gas demands, ensuring maximum energy efficiency and optimal operational performance regardless of the situation.
4) No transmission loss: With a direct shaft connection design, the compressor incorporates an embedded permanent magnet motor within its sleek and compact structure. This intelligent design foregoes the need for couplings and other transmission components, achieving flawless 100% transmission efficiency and exemplary performance.
5) Variable frequency start and soft start:Our advanced motor design is crafted to minimize impacts on power grid equipment, effectively protecting electrical systems from potential harm and significantly extending the lifespan of the entire setup, ensuring lasting reliability and resilience.
6) Reduced energy consumption: Boasting a remarkable frequency conversion range from 25% to 100% (compared to a standard range of 50% to 100%), our system delivers over 30% energy savings compared to fixed-speed compressors and approximately 5% more savings than typical variable frequency compressors, offering substantial benefits for systems with varying gas consumption requirements.
7) Unique two-stage compression air end:Our two-stage compression screw machine is an engineering marvel, integrating first and second-stage compression rotors within a single casing. Each rotor is meticulously driven by individual gears to ensure optimal linear speed and unparalleled compression efficiency, setting a new standard in performance.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method provides exceptional cooling effects, significantly lowering the temperature of the compressed air. This innovative approach results in near-isothermal compression, reduced pressure loss between stages, and a lower compression ratio, greatly 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. This enhancement boosts volumetric efficiency, ensuring superior performance in all operations.
10) Noise reduction:The intrinsic reduced compression ratio of the two-stage system significantly diminishes noise levels, especially during unloading operations, creating a quieter and more peaceful working environment.
11) Easy maintenance and service:Despite its advanced two-stage compression system, the remaining components and structures bear similarity to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience, making upkeep hassle-free.
12) Door Panels are Removable:The casing of the unit is made of metal plate with noise reduction treatment, and the casing panel is attached with high-density sound-absorbing material so that the noise of the whole unit reaches the international standard. The door plate on the casing can be opened and disassembled, presenting a 270-degree all-round space, which is convenient for maintenance personnel to maintain the inside of the unit.
1. Unbeatable Pricing Edge: Exceptional Value
Transform your market presence with our remarkably competitive ex-factory pricing, a distinctive advantage that allows our clients to surpass competitors and establish a formidable standing in their respective industries, leaving a lasting mark.
2. Seamless Direct Transactions: Efficiency at Its Best
Enjoy unmatched efficiency and direct engagement, as our products are delivered straight from our state-of-the-art manufacturing facility. Our economically smart solutions are meticulously crafted to align with your specifications, ensuring precision and ultimate satisfaction at every step.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Utilize our vast production knowledge and skilled management to offer remarkable OEM/ODM services. These solutions are designed to fit seamlessly with your specific needs and strategic business goals, ensuring your vision is realized with precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we provide bespoke customization for parameters such as voltage, power, and pressure. Connect with us for personalized solutions crafted to meet your unique requirements, ensuring precision tailored to you.
5. Acceptance of Small Orders: Discover Our Quality
Start with a small trial order to witness the exceptional quality and reliable performance our products promise. Your satisfaction is our highest commitment, and we are dedicated to surpassing your expectations.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our rapid delivery services, meticulously designed to ensure seamless and continuous operations. With our top-tier products, your timelines are prioritized and consistently met with precision.
7. Complete Authorization: Empower Your Enterprise
Strengthen your enterprise with our complete authorization certificates. Our esteemed distributors are fully equipped and empowered to promote the prestigious SANZHI brand products with unwavering confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines as a leader in air compression technology, offering over a decade of unmatched industry expertise. As trailblazers, we provide an extensive array of groundbreaking products, including state-of-the-art screw air compressors and pioneering screw vacuum pumps. Our diverse product lineup encompasses not just regular models, but also state-of-the-art low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and resilient two-stage compression systems. Our screw air compressors redefine industry standards, meticulously designed for laser cutting, adaptable for single or double-tank use, and versatile for both electric and diesel mobile applications. Our advanced screw vacuum pumps are crafted with precision and dependability, reinforcing our status as industry innovators.
Our manufacturing prowess is propelled by state-of-the-art assembly lines, achieving unmatched efficiency and productivity. With a dedicated workforce of over 50 skilled experts, we continuously enhance our management systems like ERP, significantly reducing lead times and ensuring the swift delivery of our premium products.
Our commitment to excellence in management is underscored by our esteemed ISO9001 quality management system certification. By adhering to stringent quality standards and implementing rigorous control measures, each machine undergoes comprehensive inspections, including material assessments, production evaluations, and detailed pre-delivery checks. This ensures that only machines of the highest quality reach our esteemed clients.
Our dedication to exceptional customer service starts with expert pre-sales consultations, assisting clients in selecting the ideal air equipment tailored to their specific needs. Our unparalleled customization capabilities allow us to modify both appearance and configuration to suit individual preferences and offer OEM services for particular dealer requirements. Our dedicated sales and service team delivers prompt and efficient responses, ensuring seamless and effective post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to offer top-tier, reliable products while cultivating enduring customer relationships. By combining rapid delivery with premier product quality and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Situated in Xinzheng City, Henan Province, China, our facility offers unparalleled accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, approximately an hour's drive. We warmly welcome you to visit our distinguished facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer specializing in screw air compressors, boasting over a decade of validated industry expertise.
Q2. How do you control quality?
A: 1. We thoroughly inspect all raw materials to ensure they adhere to our superior quality standards.
2. Our assembly processes are executed with meticulous precision to uphold unrivaled excellence.
3. Each machine is subjected to 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 design a customized solution precisely tailored to your needs!
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 magical array of voltage options, each meticulously engineered to match the unique requirements of diverse global regions. Our configurations include: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our commitment to tailor-made solutions through exclusive customization services ensures seamless integration into your operations. This dedication leads to unmatched adaptability and efficiency, propelling your enterprise to peak performance and unparalleled reliability.
Q6. How long is the delivery time?
A: Boasting standard voltage specifications, we stand out with our swift order processing, completing orders in just 15 working days post-confirmation. For custom orders, our proactive sales team collaborates with you to design a timeline aligned with your requirements, ensuring a seamless and timely delivery. Our meticulous attention ensures your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are designed for ultimate simplicity and convenience. Production starts with a 30% T/T upfront payment, proceeds with 40% T/T before shipment, and finalizes with the last 30% T/T upon receiving the B/L copy. Transactions are available in both USD and RMB, providing flexibility for our esteemed clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty for the entire machine, with an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage ensures unmatched protection and peace of mind, securing your investment with premier assurance.
Q9. What about the maintenance?
A: To maintain 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 conditions. Routine maintenance is crucial for sustaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our machines are robustly engineered to excel in high-temperature environments. They function seamlessly within a temperature spectrum of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even in challenging 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 turning your unique ideas into reality with precision. Partner with us for unparalleled customization and excellence.
Q12. How long could your air compressor be used?
A: Our air compressors are expertly engineered for exceptional longevity, typically offering a remarkable lifespan exceeding 10 years. This guarantees enduring reliability, 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 providing ongoing support by supplying essential spare parts for your machines. This ensures smooth operations and minimizes downtime, allowing you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are fully dedicated to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, and access to our expert engineers for training and installation assistance. Your satisfaction and success are our utmost priorities, ensuring unparalleled support.
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