Embark on a transformative journey towards unparalleled operational excellence with the extraordinary Sanzhi 250kw Two-Stage Water Cooling Screw Air Compressor. This masterpiece epitomizes the pinnacle of engineering elegance, crafted with state-of-the-art German precision and brought to you by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a luminary in China's premier compressor industry. Prepare to revolutionize your operations with this technological marvel, a beacon of innovation that propels your efficiency to new heights. At the heart of this groundbreaking creation lies our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, redefining factory pricing paradigms. It is the perfect synergy of cost-effectiveness and superior performance, making it an indispensable asset for your ambitious business endeavors. Experience the zenith of engineering excellence with its advanced Centrifugal Fans, engineered to deliver unprecedented energy efficiencies, significantly slashing your operational expenses. Designed with meticulous precision for stable applications, this formidable machine excels in surpassing the stringent demands of industrial environments. Offering unmatched performance, rugged durability, and unwavering reliability, it stands as a paragon of excellence. Embrace the future of industrial compressors with a product that not only meets but exceeds expectations, driving productivity and nurturing sustainability. Propel your operations into the future with Sanzhi's groundbreaking innovation, where cutting-edge technology harmonizes with steadfast dependability.
In-Depth Analysis: Embark on a captivating exploration of our product's intricate internal architecture - Frontside. Discover the extraordinary engineering expertise that lies at the heart of our groundbreaking systems. Our meticulously designed structure exemplifies the pinnacle of contemporary innovation and precision, setting unparalleled industry benchmarks and expanding the possibilities of what can be achieved.
Revolutionary Working Principle: Enter a transformative era of air compression technology with our innovative principle that's poised to redefine industry standards. This trailblazing advancement elevates performance to unprecedented levels, reshaping air compression understanding and establishing a new standard of brilliance.
Immerse yourself in the forefront of air compression technology, where remarkable efficiency is achieved through the seamless fusion of single-stage and multi-stage systems. While theoretical models suggest energy balance, real-world applications necessitate astute modifications to mitigate transmission losses, bearing friction, and cooling impacts. By precisely calibrating compression ratios at each stage, multi-stage systems achieve superior efficiency, dramatically reducing power consumption compared to single-stage models. This sophisticated approach not only elevates overall system performance but also significantly decreases excess energy usage, establishing a pioneering benchmark in power optimization.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological masterpiece features an advanced dual rotary screw design, where each stage includes an active screw driving a passive screw via a cleverly engineered external power transfer system. The initial stage features a low-pressure screw assembly optimized for maximum efficiency, transitioning seamlessly to a high-pressure screw assembly. The core of this advanced mechanism is the sealing air films surrounding each screw, guiding compression through three critical stages: seamless intake, dynamic pressurization elevating efficiency to unparalleled levels, and a precise exhaust stage, completing the cycle with remarkable precision.
First Stage Compression: The initial phase of the two-stage screw air compressor showcases exceptional engineering expertise. A precisely tuned low-pressure screw assembly begins the process, directing gas into the compression chamber via a masterfully designed suction valve. As the rotor spins at impressive speeds, the gas undergoes initial compression, laying the foundation for enhanced compression in the subsequent phase, thus setting the stage for outstanding performance and efficiency.
Second Stage Compression: Moving into the second stage, the gas is expertly maneuvered into a uniquely compact screw space, where pressure and temperature are strategically elevated to exceptional levels. This phase concludes with the opening of the exhaust valve, allowing high-pressure gases to exit, marking the culmination of a complex compression cycle distinguished by extraordinary efficiency and sophistication.
The refined air compression journey commences as ambient air seamlessly flows through the air filter, blending harmoniously with a touch of lubricating oil in the compression chamber. This blend undergoes initial compression to attain 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, experiencing a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle concludes as the compressed gas is gracefully 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 pinnacle of precision and engineering excellence with Sanzhi (Henan) Compressor Co., Ltd.'s remarkable water-cooled compressors. These machines epitomize cutting-edge technology, harmoniously combining state-of-the-art advancements with practical application. By harnessing water's superior cooling prowess, they enhance lubrication, significantly prolonging the lifespan of wear-sensitive components. Revolutionary techniques purify internal elements while efficiently dissipating heat from cylinders and compressed air. This results in a substantial reduction in exhaust temperatures and a remarkable decrease in power consumption, providing extraordinary operational cost savings. To sustain peak efficiency and unwavering reliability, vigilant monitoring of the cooling system and proactive scaling management are essential.
1) High efficiency of PM motor:Unleash the extraordinary capabilities of our advanced permanent magnet (PM) motor, meticulously designed for exceptional performance with unwavering torque and an expansive weak magnetic range. This innovation delivers an outstanding 20-30% increase in efficiency over traditional motors. The PM motor retains its high efficiency even beyond rated frequencies, ensuring superior performance under all conditions.
2) Motor maintenance-free:Discover our revolutionary permanent magnet motor, crafted without bearings, entirely eliminating the need for traditional motor bearing maintenance and replacement. This innovative design drastically reduces overall maintenance costs.
3) Integrated frequency converter: Outfitted with China's leading frequency system, our compressor delivers broad speed regulation with unmatched precision. This adaptable system seamlessly aligns with real-time gas demands, ensuring optimal energy efficiency and top-tier performance.
4) No transmission loss: Our compressor showcases an innovative direct shaft connection design, paired with an advanced permanent magnet motor, presenting a sleek and compact construction. This forward-thinking design eliminates the need for couplings and other transmission elements, ensuring flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our pioneering motor design significantly reduces stress on power grid infrastructure, safeguarding electrical systems against potential hazards and greatly extending the system's longevity.
6) Reduced energy consumption: Our system boasts an exceptional 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.
7) Unique two-stage compression air end:Our expertly crafted two-stage compression screw machine incorporates primary and secondary compression rotors within a single casing. Each rotor operates independently, driven by gears to ensure optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method delivers unparalleled cooling effects, drastically lowering compressed air temperatures. This innovative technique achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and enhancing overall compression efficiency.
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, thereby boosting volumetric efficiency.
10) Noise reduction:Our two-stage system's reduced compression ratio significantly diminishes noise levels, particularly during unloading operations, fostering a quieter and more serene working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, the components and structures align with those of single-stage compressors, ensuring straightforward maintenance and user-friendly service.
12) Door Panels are Removable:608bcb65
1. Unbeatable Pricing Edge
Unlock unparalleled market success with our remarkably competitive ex-factory pricing. This strategic advantage empowers our esteemed clients to consistently surpass competitors, paving a pathway toward extraordinary achievements and market dominance.
2. Seamless Direct Transactions
Experience exceptional efficiency with direct deliveries from our state-of-the-art production facility. Our strategically tailored, cost-effective solutions are designed to precisely meet your distinct needs, ensuring unmatched accuracy and satisfaction throughout every phase of your partnership with us.
3. Extensive OEM & ODM Solutions
Leverage our extensive production capabilities and expert management to access top-tier OEM/ODM services. These expertly crafted solutions seamlessly integrate with your specific needs and align perfectly with your business objectives, clearing the path for your success.
4. Tailored Customization Service
We specialize in customizing non-standard export orders, offering bespoke solutions in voltage, power, and pressure. Collaborate with us to discover solutions meticulously designed to not just meet but exceed your unique requirements.
5. Acceptance of Small Orders
Initiate a partnership with us by beginning with a small trial order to savor the exceptional quality and performance our products consistently deliver. Your ultimate satisfaction is our unwavering guarantee and commitment.
6. Swift Delivery
Benefit from the efficiency of our rapid delivery services, ensuring your operations remain seamless and uninterrupted. Our outstanding products are enhanced by timely deliveries, always aligned with your schedule.
7. Complete Authorization
Elevate your business reputation with our comprehensive suite of authorization certificates. Our distinguished distributors are empowered to represent and vigorously promote the prestigious SANZHI brand products with pride, assurance, and exceptional confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd shines brilliantly in the world of air compression, proudly showcasing over ten years of unparalleled expertise. Our journey of innovation has created a stunning array of cutting-edge products, including high-performance screw air compressors and revolutionary screw vacuum pumps that set new industry standards. Our diverse product portfolio features standard and low-pressure screw air compressors, ingenious models with permanent magnet frequency conversion technology, and sturdy two-stage compression options. Each screw air compressor is meticulously crafted to surpass industry standards, excelling in various applications such as laser cutting, flexible single-tank and double-tank mobile formats, as well as electric and diesel mobile versions. In addition, our pioneering screw vacuum pumps establish new benchmarks for precision and reliability, reinforcing our stronghold as industry leaders.
Our state-of-the-art assembly lines exemplify our remarkable manufacturing excellence, characterized by exceptional efficiency and production capacity. Our operations are driven by a dedicated team of over 50 seasoned professionals who constantly refine our management systems, with a pivotal focus on ERP, ensuring significantly reduced lead times and the timely delivery of our premier products.
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 each machine undergoes a thorough inspection process. This encompasses material assessments, production reviews, and meticulous pre-delivery inspections, ensuring that only the finest machinery is delivered to our esteemed clients.
Our tireless commitment to exceptional customer service begins with expert pre-sales consultations, guiding clients in selecting the perfect air equipment tailored to their unique needs. Our distinctive customization capabilities allow us to alter both appearance and configuration according to personal preferences, providing OEM services to suit specific dealer requirements. Our devoted sales and service team ensures swift and effective responses, guaranteeing seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is both clear and unwavering: to provide outstanding, dependable products while cultivating enduring customer relationships. By seamlessly integrating prompt 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 provides unmatched convenience to clients. We offer complimentary transportation from Xinzheng International Airport, merely 30 kilometers away-just an hour's drive. We warmly welcome you to experience our esteemed facilities firsthand.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned 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 comprehensive inspections on all raw materials to ensure superior quality.
2. Our precise assembly procedures uphold exceptional standards of excellence.
3. Every machine undergoes a stringent minimum of five consecutive hours of testing before dispatch to confirm its peak 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 matched 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 for the air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we proudly offer a diverse array of voltage options, meticulously crafted to cater to the varied regional preferences of our esteemed clientele. Explore our highly adaptable configurations, including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering dedication to providing bespoke solutions, complemented by exceptional customization services, ensures a perfect match for your operational demands. This commitment promises unmatched versatility and superior performance, empowering your enterprise with extraordinary reliability and efficiency.
Q6. How long is the delivery time?
A: For standard voltage specifications, our efficient order processing guarantees fulfillment within a remarkable 15 working days following confirmation. For tailored orders, our proactive sales team works in close partnership with you to devise a timeline that perfectly suits your specific needs, ensuring impeccable and prompt delivery. Our meticulous approach guarantees your satisfaction and fosters a relationship founded on trust, consistently exceeding expectations.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted for utmost simplicity and convenience. Production initiates 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 valued clients, ensuring a seamless and efficient transaction experience.
Q8. How about your warranty?
A: Our warranty package is expertly curated to provide peace of mind and security. Enjoy a comprehensive one-year warranty on the entire machine, along with an additional two-year warranty for the screw air compressor, excluding consumable components. This extensive protection offers unmatched security, safeguarding your investment with supreme confidence, allowing you to focus on your operations without worries.
Q9. What about the maintenance?
A: To ensure optimal performance and extend operational life, we recommend initiating maintenance after 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is crucial for sustaining exceptional durability and reliability, ensuring your investment continuously delivers excellent 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), guaranteeing reliable performance even under the most challenging conditions. Your operations will remain robust and productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are delighted to offer both OEM and ODM services, supported by our skilled design team. We warmly 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 exceptional customization and innovation as we strive to turn 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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