Dive into the remarkable capabilities and engineering excellence of the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor. This genuine masterpiece integrates the forefront of superior German technology. Brought to you by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a trailblazer in China's compressor industry, this innovative solution is set to transform and elevate your operational efficiency to unprecedented levels. At its core is our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting a revolutionary benchmark in factory pricing strategies. It combines cost-effectiveness with exceptional performance, making it a wise investment for your enterprise. Experience the zenith of engineering with its advanced Centrifugal Fans, precisely designed to offer dramatic energy savings and significantly lower your operational costs. Built with unwavering accuracy for stationary applications, this resilient powerhouse effortlessly fulfills and surpasses the demanding needs of industrial environments. It establishes unmatched standards in performance, durability, and dependability you can rely on. Discover the future of industrial compressors with a product that pledges not only to meet but to exceed your expectations, paving the path for increased productivity and sustainability. Elevate your operations with Sanzhi's innovation, where leading-edge technology meets trustworthiness.
In-Depth Analysis: Embark on a captivating exploration into the sophisticated intricacies of our product's internal framework - Frontside. Discover the remarkable engineering brilliance that forms the backbone of our groundbreaking systems. Our design exemplifies extraordinary innovation and precision, establishing unmatched new benchmarks in the industry, pushing the boundaries of what's conceivable.
Revolutionary Working Principle: Embrace a transformative era in air compression technology, rooted in a groundbreaking principle that redefines industry standards. This innovative leap elevates performance beyond expectations, revolutionizing our comprehension of air compression and setting a new benchmark for excellence.
Experience the pinnacle of air compression innovation, where supreme efficiency is achieved through the seamless integration of single-stage and multi-stage systems. While ideal conditions suggest balanced energy distribution, practical applications necessitate strategic adjustments to counteract transmission losses, bearing friction, and cooling effects. Through precise calibration of the compression ratio at each stage, multi-stage systems achieve exceptional efficiency, drastically reducing power consumption compared to single-stage counterparts. This refined methodology not only enhances overall system performance but also significantly cuts excess energy usage, establishing a revolutionary benchmark in power optimization.
Introducing the pioneering 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor from Sanzhi (Henan) Compressor Co., Ltd. This cutting-edge technological marvel boasts a sophisticated dual rotary screw configuration, where each stage features an active screw that propels a passive counterpart through a meticulously engineered external power transfer mechanism. The initial stage operates under a low-pressure screw assembly, optimized for peak efficiency, followed by a high-pressure screw assembly in the succeeding phase. Central to this advanced mechanism are the sealing air films enveloping each screw, directing compression through three pivotal phases: smooth intake, dynamic pressurization that elevates efficiency to unprecedented levels, and a precise exhaust phase, completing the cycle with unmatched precision.
First Stage Compression: The initial phase of the two-stage screw air compressor stands as a testament to exceptional engineering. A finely-tuned low-pressure screw assembly takes the lead, skillfully guiding gas into the compression chamber through a precisely designed suction valve. As the rotor spins at remarkable speeds, the gas undergoes preliminary compression, setting the stage for enhanced compression in the subsequent phase, thereby priming the system for outstanding performance and efficiency.
Second Stage Compression: As the process advances to the second stage, the gas is expertly guided into a uniquely compact screw space where both pressure and temperature are strategically elevated to extraordinary levels. This phase culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, concluding an intricate compression cycle characterized by remarkable efficiency and sophistication.
The sophisticated air compression journey begins with ambient air flowing effortlessly through the air filter, seamlessly merging with a hint of lubricating oil in the compression chamber. This blend undergoes initial compression to reach intermediate pressure, followed by significant cooling through interaction with oil mist in the cooling channel. The cooled gas then progresses to the second-stage rotor, undergoing a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle culminates as the compressed gas is elegantly expelled through the exhaust valve, marking the completion of 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. |
Sanzhi (Henan) Compressor Co., Ltd.'s water-cooled compressors epitomize the pinnacle of precision engineering, seamlessly merging trailblazing innovation with practical efficiency. These outstanding machines harness water's exceptional cooling capabilities, enhancing lubrication and significantly extending the lifespan of friction-sensitive parts. Utilizing avant-garde technology, these compressors precisely cleanse internal mechanisms while skillfully dissipating heat from both the cylinder and compressed gas. The outcome is impressively diminished exhaust temperatures and notably reduced power consumption, resulting in exceptional operational cost savings. To sustain peak performance and unwavering reliability, it's vital to vigilantly monitor the cooling system, proactively addressing any potential scaling issues.
1) High efficiency of PM motor:Our revolutionary permanent magnet (PM) motor is crafted for extraordinary performance, offering a consistent torque range and a broad weak magnetic spectrum. This results in an impressive 20-30% boost in efficiency compared to conventional motors. Even beyond rated frequencies, the PM motor maintains exceptional efficiency, ensuring top-notch performance under all operating conditions.
2) Motor maintenance-free:Ingeniously designed with a bearing-free structure, the permanent magnet motor eliminates traditional costs associated with motor bearing maintenance and replacement. This groundbreaking design substantially lowers overall maintenance expenses.
3) Integrated frequency converter: Our compressor, outfitted with China's premier frequency system, provides extensive speed regulation with unmatched precision. This adaptive system intuitively adjusts to real-time gas demands, guaranteeing optimal energy efficiency and superior operational performance.
4) No transmission loss: Featuring an innovative direct shaft connection design with an advanced permanent magnet motor, our compressor boasts a sophisticated and compact structure. This forward-thinking design eliminates the need for couplings and other transmission components, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design significantly reduces stress on power grid equipment, safeguarding electrical systems from potential damage and substantially extending the system's lifespan.
6) Reduced energy consumption: Boasting an impressive frequency conversion range from 25% to 100%, surpassing the standard 50% to 100%, our system achieves over 30% energy savings compared to fixed-speed compressors, and approximately 5% more than typical variable frequency compressors. This translates to substantial advantages for systems with variable gas consumption 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 is independently driven by gears, ensuring optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method offers exceptional cooling performance, significantly 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 lowers the compression ratios for each stage, minimizing internal leakage between high and low-pressure ends, and improving volumetric efficiency.
10) Noise reduction:In the two-stage system, the reduced compression ratio considerably lessens noise levels, especially during unloading operations, creating a quieter and more serene working environment.
11) Easy maintenance and service:Despite its sophisticated two-stage compression design, other components and structures closely resemble those of single-stage compressors, ensuring easy maintenance and a user-friendly service experience.
12) Door Panels are Removable:Constructed with sound-dampening metal panels and lined with high-density sound-absorbing materials, the unit adheres to international noise standards. The removable door panels offer generous 270-degree access, greatly simplifying maintenance tasks and enhancing service efficiency.
1. Unbeatable Pricing Edge
Immerse yourself in a realm of unparalleled market dominance through our irresistibly competitive ex-factory pricing. This strategic advantage empowers our elite clients to consistently outperform rivals, paving their way to extraordinary achievements in their respective industries.
2. Seamless Direct Transactions
Experience efficiency redefined with products delivered directly from our cutting-edge manufacturing facility. Our economically astute solutions are tailor-made to meet your exact specifications, ensuring exceptional precision and satisfaction at every stage of your journey.
3. Extensive OEM & ODM Solutions
Harness our expansive production capabilities and adept management to unlock premier OEM/ODM services. These bespoke solutions are expertly designed to integrate perfectly with your specific requirements and overarching business objectives.
4. Tailored Customization Service
We excel in fulfilling non-standard export orders by providing customization options in vital parameters such as voltage, power, and pressure. Reach out to explore tailored solutions meticulously crafted to address your unique demands.
5. Acceptance of Small Orders
Embark on your journey with a small trial order to witness firsthand the remarkable quality and performance our products consistently deliver. Your complete satisfaction is our unwavering commitment.
6. Swift Delivery
Take advantage of our rapid delivery services, ensuring your operations continue seamlessly and without disruption. Our outstanding product offerings are accompanied by timely delivery, guaranteed every time.
7. Complete Authorization
Elevate your business with our comprehensive authorization certificates. Our esteemed distributors can confidently champion the prestigious SANZHI brand products, promoting them with pride and unwavering assurance.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of distinction in the air compression industry, leveraging over a decade of unparalleled expertise. Our remarkable journey in technological innovation has given birth to an outstanding collection of cutting-edge products, including high-performance screw air compressors and avant-garde screw vacuum pumps. Our expansive product range showcases standard and low-pressure screw air compressors, alongside innovative models featuring permanent magnet frequency conversion technology and robust two-stage compression units. Each screw air compressor is expertly engineered to not only meet but surpass industry benchmarks, excelling in diverse applications such as laser cutting, adaptable single-tank and double-tank mobile uses, and both electric and diesel mobile configurations. Furthermore, our pioneering screw vacuum pumps redefine precision and reliability, cementing our esteemed position as industry leaders.
With state-of-the-art assembly lines, our manufacturing expertise is truly unparalleled, embodying exceptional efficiency and production capabilities. Our operations are driven by a team of over 50 seasoned professionals who continually advance our management systems, with a particular emphasis on ERP, ensuring dramatically reduced lead times and timely delivery of our premium products.
Our unwavering commitment 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 an exhaustive inspection regimen. This includes meticulous material evaluations, production analyses, and thorough pre-delivery checks, certifying that only the finest machinery is delivered to our valued clients.
Our relentless pursuit of exemplary customer service begins with expert pre-sales consultations, guiding clients in choosing the perfect air equipment tailored to their unique needs. Our unrivaled customization capabilities empower us to refine both appearance and configuration according to personal preferences, offering OEM services to meet specific dealer requirements. Our dedicated sales and service team guarantees rapid and effective responses, ensuring seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is crystal clear: to provide exceptional, reliable products while nurturing lasting customer relationships. By seamlessly combining rapid delivery, top-tier product quality, and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory offers unmatched convenience to clients. We offer complimentary transportation from Xinzheng International Airport, located just 30 kilometers away-a mere hour's drive. We warmly invite you to visit our prestigious facilities.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer boasting specialized expertise in screw air compressors, backed by over a decade of proven industry excellence.
Q2. How do you control quality?
A: 1. We conduct 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 rigorous minimum of five consecutive hours of testing prior to dispatch to verify 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 specifics, and we will engineer a bespoke solution perfectly suited 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 proudly offer a diverse selection of voltage configurations, meticulously designed to meet the varying regional needs of our valued customers. Explore our versatile options: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to providing tailor-made solutions through extraordinary customization services ensures that our products align seamlessly with your operational requirements. This dedication guarantees exceptional adaptability and performance, empowering your business with unmatched reliability and efficiency.
Q6. How long is the delivery time?
A: With standard voltage specifications, we excel in swift order processing, achieving completion within an impressive 15 working days after confirmation. For custom orders, our proactive sales team collaborates closely with you to develop a timeline tailored to your needs, ensuring seamless and timely delivery. Our meticulous approach ensures your satisfaction and confidence, nurturing a trust-based relationship that exceeds expectations.
Q7. What's the payment term?
A: Our payment terms are crafted for 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 USD and RMB, providing flexibility and ease for our esteemed clients, ensuring a smooth transaction process.
Q8. How about your warranty?
A: Our warranty package is thoughtfully crafted to deliver assurance and peace of mind. It includes a one-year warranty on the entire machine and an additional two-year warranty for the screw air compressor, excluding consumable parts. This comprehensive coverage ensures unmatched security, safeguarding your investment with exceptional assurance, allowing you to focus on your operations worry-free.
Q9. What about the maintenance?
A: For optimal performance and extended 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 vital for sustaining optimal durability and reliability, ensuring your investment continues to deliver exceptional performance over time.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are meticulously engineered to excel 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 in the most challenging conditions. Your operations will remain strong and productive, guaranteeing 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 talented design team. We warmly welcome custom orders and are dedicated to transforming your unique ideas into reality, ensuring your vision is executed with precision and excellence. Collaborate with us for unmatched customization and innovation as we work to bring your concepts to life.
Q12. How long could your air compressor be used?
A: Our air compressors are engineered with precision for remarkable longevity, typically delivering an impressive lifespan exceeding 10 years. This ensures consistent and enduring performance, reliably supporting your operations. Invest in our compressors for long-term dependability and peace of mind, knowing your choice will yield sustained benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to offering ongoing support by providing essential spare parts for your machines. This commitment ensures continuous operations, enabling you to maintain optimal 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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