Step into a new era of operational excellence with the Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor, a true beacon of advanced engineering sophistication. This extraordinary device is infused with cutting-edge German engineering and proudly presented by Sanzhi (Henan) Compressor Co., Ltd., a leader in China's renowned compressor industry. Prepare to elevate your operational efficiency with this pioneering technological masterpiece, featuring our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor. This innovation is reshaping factory pricing paradigms by seamlessly blending cost-effectiveness with remarkable performance, making it an indispensable strategic asset for your business pursuits. Discover the pinnacle of engineering prowess with its state-of-the-art Centrifugal Fans, expertly crafted to achieve remarkable energy efficiencies and significantly cut your operational costs. Engineered with precision for stability, this robust machinery excels in meeting and exceeding the stringent demands of industrial environments. It offers unparalleled performance, durability, and reliability that remain unmatched. Embrace the future of industrial compressors with a product that not only meets but surpasses expectations, enhancing productivity and sustainability. Propel your operations forward with Sanzhi's groundbreaking innovation, where cutting-edge technology merges with steadfast reliability.
In-Depth Analysis: Embark on a captivating journey through the intricate brilliance of our product's internal framework - Frontside. Discover the extraordinary craftsmanship and engineering prowess that form the very core of our innovative systems. Our carefully engineered design stands as a beacon of cutting-edge innovation and precision, setting unparalleled standards in the industry and expanding the boundaries of what is attainable.
Revolutionary Working Principle: Enter a new era of air compression technology with an innovative principle poised to redefine industry standards. This revolutionary advancement elevates performance to extraordinary heights, transforming our understanding of air compression and setting a new benchmark for excellence.
Step into the future of air compression technology, where exceptional efficiency is achieved through the perfect synergy of single-stage and multi-stage systems. While theoretical models propose energy balance, real-world applications require strategic adjustments to mitigate transmission losses, bearing friction, and cooling effects. Through precise calibration of compression ratios at each stage, multi-stage systems achieve remarkable efficiency, significantly reducing power consumption compared to single-stage systems. This advanced approach not only boosts overall system performance but also dramatically lowers excess energy usage, establishing a groundbreaking benchmark in power optimization.
Introducing the pioneering 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological triumph exemplifies a sophisticated dual rotary screw design, where each stage features an active screw driving a passive screw through a cleverly designed external power transfer system. The first stage showcases a low-pressure screw assembly engineered for optimal efficiency, seamlessly transitioning to a high-pressure screw assembly. At the heart of this advanced mechanism are the sealing air films enclosing each screw, guiding compression through three pivotal stages: seamless intake, dynamic pressurization enhancing efficiency to unparalleled levels, and a precise exhaust phase, completing the cycle with remarkable accuracy.
First Stage Compression: The initial stage of the two-stage screw air compressor reveals extraordinary engineering mastery. A precisely calibrated low-pressure screw assembly leads the process, drawing gas into the compression chamber through a meticulously crafted suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, setting the stage for enhanced compression in the following phase, thereby preparing the system for exceptional performance and efficiency.
Second Stage Compression: As we transition to the second stage, the gas is expertly channeled into a uniquely compact screw space, where pressure and temperature are strategically amplified to outstanding levels. This phase culminates with the exhaust valve opening, allowing high-pressure gases to exit, marking the end of a complex compression cycle characterized by extraordinary efficiency and sophistication.
The refined air compression journey begins as ambient air effortlessly flows through the air filter, seamlessly blending with a trace of lubricating oil in the compression chamber. This amalgamation undergoes initial compression to reach 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, undergoing 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, completing an exceptionally thorough 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 epitome of precision and engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s remarkable water-cooled compressors. These machines symbolize the forefront of innovative technology, blending cutting-edge advancements with everyday functionality. By harnessing water's unparalleled cooling capabilities, they enhance lubrication and dramatically prolong the lifespan of wear-prone components. Innovative techniques purify internal elements while efficiently expelling heat from cylinders and compressed air. This results in a superb reduction in exhaust temperatures and a noteworthy decrease in power usage, delivering outstanding operational cost savings. To ensure peak performance and steadfast reliability, vigilant monitoring of the cooling system and proactive scaling management are crucial.
1) High efficiency of PM motor:Discover the exceptional prowess of our advanced permanent magnet (PM) motor, meticulously crafted for outstanding performance with consistent torque and an extensive weak magnetic range. This sophisticated design delivers an extraordinary 20-30% boost in efficiency over traditional motors. The PM motor maintains its impressive efficiency even beyond rated frequencies, ensuring top-notch performance in all scenarios.
2) Motor maintenance-free:Introducing our revolutionary permanent magnet motor, a marvel of engineering crafted without bearings, which eliminates conventional motor bearing maintenance and replacement costs. This innovative design significantly reduces overall maintenance expenses, providing you with a hassle-free experience.
3) Integrated frequency converter: Featuring China's leading frequency system, our compressor offers broad speed regulation with unmatched precision. This adaptive system adjusts seamlessly to real-time gas demands, ensuring optimal energy efficiency and superior performance, making it a top choice for diverse industrial applications.
4) No transmission loss: Our compressor boasts a visionary direct shaft connection design, paired with an advanced permanent magnet motor, offering a sleek and compact structure. This forward-thinking innovation eliminates the need for couplings and other transmission elements, guaranteeing flawless 100% transmission efficiency and unparalleled reliability.
5) Variable frequency start and soft start:Our state-of-the-art motor design significantly reduces strain on power grid infrastructure, safeguarding electrical systems from potential harm and greatly extending the system's lifespan, ensuring long-term operational success.
6) Reduced energy consumption: Our system features an impressive frequency conversion range from 25% to 100%, surpassing the typical 50% to 100%, achieving over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency models. This offers substantial benefits for systems with variable gas consumption needs, paving the way for sustainable and eco-friendly operations.
7) Unique two-stage compression air end:Our expertly engineered two-stage compression screw machine integrates primary and secondary compression rotors within a single casing. Each rotor functions independently, driven by gears to ensure ideal linear speed and unrivaled compression efficiency, setting new standards in the industry.
8) Internal spray curtain cooling method: Our high-performance internal spray curtain cooling method delivers superior cooling results, dramatically lowering compressed air temperatures. This innovative approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and enhancing overall compression efficiency for optimal productivity.
9) Reduced internal leakage:The two-stage compression system effectively reduces compression ratios for each stage, significantly minimizing internal leakage between high and low-pressure ends, and boosting volumetric efficiency, ensuring unmatched performance.
10) Noise reduction:Our two-stage system's reduced compression ratio significantly lowers noise levels, particularly during unloading operations, creating a quieter and more serene working environment, enhancing workforce comfort and productivity.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures align with those of single-stage compressors, ensuring easy maintenance and user-friendly service, making it a truly convenient choice.
12) Door Panels are Removable:608bcb65
1. Unbeatable Pricing Edge
Immerse yourself in a realm of unparalleled market strength by embracing the exceptional opportunity provided by our irresistibly competitive ex-factory pricing. This strategic advantage empowers our esteemed clients to not only navigate but consistently outshine their competitors, paving a pathway to outstanding triumph and industry leadership.
2. Seamless Direct Transactions
Experience unparalleled efficiency with products delivered directly from our cutting-edge manufacturing facility. Our strategically crafted, cost-effective solutions are precisely tailored to meet your specific requirements, ensuring impeccable accuracy and satisfaction throughout your entire collaboration with us.
3. Extensive OEM & ODM Solutions
Leverage our extensive production capabilities and expert management team to harness top-tier OEM/ODM services. These meticulously crafted solutions are expertly designed to integrate seamlessly with your specific requirements and align perfectly with your overarching business goals, securing your path to success.
4. Tailored Customization Service
We specialize in customizing non-standard export orders by offering bespoke solutions across essential parameters such as voltage, power, and pressure. Connect with us to discover solutions meticulously tailored to address and fulfill your unique needs and demands.
5. Acceptance of Small Orders
Begin your journey with us by placing a small trial order to experience firsthand the exceptional quality and performance our products consistently deliver. Your complete satisfaction is our unwavering promise and steadfast commitment.
6. Swift Delivery
Benefit from our prompt delivery services, ensuring your operations proceed smoothly and without interruption. Our outstanding product offerings are perfectly complemented by our timely delivery, consistently aligning with your schedule.
7. Complete Authorization
Elevate your business prestige with our comprehensive suite of authorization certificates. Our esteemed distributors are empowered to confidently represent and champion the distinguished SANZHI brand products, promoting them with pride, assurance, and unyielding confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines as a trailblazer in the air compression industry, proudly offering over ten years of unparalleled expertise. Our commitment to innovation has led to the development of an outstanding array of cutting-edge products that set new standards in performance and efficiency. Our impressive lineup includes high-efficiency screw air compressors and innovative screw vacuum pumps that define the pinnacle of industry excellence. Our comprehensive product range features standard and low-pressure screw air compressors, along with avant-garde versions incorporating permanent magnet frequency conversion technology, and powerful two-stage compression models. Each screw air compressor is meticulously crafted to surpass industry standards, excelling in diverse applications such as laser cutting, flexible single-tank and double-tank mobile solutions, as well as electric and diesel mobile formats. Additionally, our pioneering screw vacuum pumps establish new benchmarks in precision and reliability, affirming our leadership in the field.
Our state-of-the-art assembly lines exemplify our superior manufacturing capabilities, characterized by extraordinary efficiency and production capacity. We are driven by a team of over 50 seasoned professionals committed to continuous improvement of our management systems, with a strong focus on ERP, ensuring dramatically reduced lead times and timely delivery of our premium offerings.
Our unwavering dedication to superior management practices is underscored by our prestigious ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, ensuring that each machine undergoes a comprehensive inspection process. This includes stringent material evaluations, meticulous production analyses, and exhaustive pre-delivery checks, guaranteeing that only the finest machinery is delivered to our esteemed clients.
Our unwavering commitment to exceptional customer service begins with expert pre-sales consultations, guiding clients toward the optimal air equipment tailored precisely to their needs. Our unique customization capabilities allow us to modify both aesthetics and configurations according to individual preferences, providing OEM services to meet specific dealer requirements. Our devoted sales and service team ensures prompt and efficient responses, promising seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, we are driven by a clear and unwavering mission: to provide exceptional, dependable products while fostering enduring customer relationships. By seamlessly integrating rapid delivery, superior product quality, and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically situated in Xinzheng City, Henan Province, China, our factory offers unparalleled convenience to our clients. We provide complimentary transportation from Xinzheng International Airport, located just 30 kilometers away-a mere hour's drive. We cordially invite you to visit and experience our esteemed facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a distinguished manufacturer with specialized expertise in screw air compressors, backed by over a decade of proven industry excellence.
Q2. How do you control quality?
A: 1. We perform thorough inspections on all raw materials to ensure exceptional quality.
2. Our precise assembly protocols uphold remarkable standards of excellence.
3. Each machine is subjected to a stringent minimum of five consecutive hours of testing prior to dispatch to assure optimal performance and reliability.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (in CFM or m³/Min)
2. Desired working pressure (in PSI, Bar, or Mpa)
3. Voltage and frequency specifications for your country (in V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Provide these details, and we will engineer a customized solution perfectly aligned with 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 for the air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we proudly offer an exceptional selection of voltage options, thoughtfully designed to accommodate the diverse regional preferences of our valued clientele. Discover 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 customized solutions, paired with outstanding customization services, ensures a perfect alignment with your operational requirements. This steadfast commitment promises unparalleled adaptability and superior performance, empowering your business with extraordinary reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our streamlined order processing ensures completion within an impressive 15 working days following confirmation. For customized orders, our proactive sales team collaborates closely with you to create a timeline that precisely suits your unique needs, ensuring flawless and timely delivery. Our meticulous approach guarantees your satisfaction and nurtures a relationship built on trust, consistently surpassing expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully designed for maximum simplicity and convenience. Production commences with an initial 30% T/T payment, followed by 40% T/T pre-shipment, and concludes with the final 30% T/T upon receipt of the B/L copy. We accept payments in both USD and RMB, providing flexibility and ease for our esteemed clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty package is meticulously curated to offer peace of mind and security. Benefit from a comprehensive one-year warranty on the entire machine, alongside an additional two-year warranty for the screw air compressor, excluding consumable components. This extensive protection provides unparalleled security, safeguarding your investment with utmost confidence, allowing you to focus on your operations without concerns.
Q9. What about the maintenance?
A: To ensure optimal performance and extend operational life, we recommend initiating maintenance after 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is advised, customized to your specific working conditions. This routine maintenance is crucial for sustaining exceptional durability and reliability, ensuring your investment consistently delivers superior performance throughout the years.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our robust machines are engineered for exceptional performance in high-temperature environments. They operate effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring reliable performance even under the most challenging conditions. Your operations will remain robust and productive, securing consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, backed by our skilled design team. We warmly welcome custom orders and are committed to bringing your unique concepts to life, ensuring your vision is realized with precision and excellence. Partner with us for exceptional customization and innovation as we endeavor to transform your concepts into reality.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for outstanding longevity, typically offering an impressive lifespan exceeding 10 years. This ensures consistent and long-lasting performance, reliably supporting your operations. Invest in our compressors for enduring dependability and peace of mind, knowing your choice will deliver sustained benefits and efficiency.
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 commitment ensures uninterrupted operations, enabling you to maintain peak performance while effectively minimizing downtime. Our dedication to your success is reflected in our comprehensive support and exceptional customer service.
Q14. How about your after-sales service?
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