Unlock the potential of unmatched operational excellence with the extraordinary Sanzhi 250KW Two-Stage Water Cooling Screw Air Compressor. This exceptional engineering marvel, infused with the brilliance of cutting-edge German technology, is proudly brought to you by the esteemed Sanzhi (Henan) Compressor Co., Ltd., a leader in China's prestigious compressor industry. Prepare to revolutionize your operational efficiency with this groundbreaking technological wonder. At the core of this innovation is our acclaimed Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, setting new standards in factory pricing paradigms. It seamlessly integrates cost-effectiveness with superior performance, establishing itself as an indispensable strategic asset for your business endeavors. Experience the zenith of engineering excellence with its state-of-the-art Centrifugal Fans, meticulously engineered to deliver extraordinary energy efficiencies and significantly reduce your operational costs. With precise engineering tailored for stable applications, this formidable machine excels in meeting and exceeding the rigorous demands of diverse industrial environments. It offers unmatched performance, durability, and reliability. Step confidently into the future of industrial compressors with a product that not only meets but surpasses expectations, enhancing productivity and sustainability. Propel your operations into a new dimension with Sanzhi's revolutionary innovation, where avant-garde technology seamlessly merges with unwavering reliability.
In-Depth Analysis: Dive into the mesmerizing intricacies of the Advanced Industrial Fan Two-Stage Water Cooling Screw Air Compressor System's interior framework - Frontside. Uncover the masterful engineering genius that forms the foundation of our avant-garde systems. This meticulously crafted design epitomizes the zenith of state-of-the-art innovation and precision engineering, establishing unprecedented benchmarks in the industry and broadening the realms of possibility.
Revolutionary Working Principle: Embrace a visionary epoch in air compression technology with an innovative principle poised to redefine industry standards. This transformative innovation magnifies performance to unrivaled peaks, revolutionizing our comprehension of air compression and establishing a new pinnacle of excellence in the field.
Explore the pinnacle of air compression innovation where exceptional efficiency is realized through the seamless synergy of single-stage and multi-stage systems. While ideal scenarios recommend energy distribution balance, real-world applications necessitate strategic modifications to counter transmission losses, bearing friction, and cooling effects. By accurately calibrating the compression ratio at each stage, multi-stage systems attain remarkable efficiency, substantially lowering power consumption compared to single-stage counterparts. This refined methodology not only amplifies overall system performance but also significantly curtails excess energy usage, setting a groundbreaking standard in power optimization.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel boasts a sophisticated dual rotary screw configuration, where each stage features an active screw propelling a passive counterpart via an exquisitely crafted external power transfer mechanism. The initial stage, governed by a low-pressure screw assembly, is engineered for peak efficiency, succeeded by a subsequent high-pressure screw assembly. At the core of this advanced mechanism are the sealing air films enveloping each screw, orchestrating compression through three pivotal stages: seamless intake, dynamic pressurization that reaches unprecedented efficiency levels, and a precise exhaust phase that concludes the cycle with unmatched precision.
First Stage Compression: The initial phase of the two-stage screw air compressor exemplifies extraordinary engineering. A meticulously calibrated low-pressure screw assembly leads the process, channeling gas into the compression chamber through an expertly designed suction valve. As the rotor rotates at impressive speeds, the gas undergoes initial compression, laying the groundwork for enhanced compression in the subsequent phase, thereby priming the system for exceptional performance and efficiency.
Second Stage Compression: Progressing to the second stage, the gas is meticulously funneled into a distinctively compact screw space, where pressure and temperature are elevated to extraordinary levels. This phase culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, marking the conclusion of an intricate compression cycle characterized by remarkable efficiency and sophistication.
The refined air compression journey begins as ambient air gracefully flows through the air filter, seamlessly merging with a trace of lubricating oil within the compression chamber. This blend undergoes initial compression to attain intermediate pressure, followed by significant cooling through interaction with oil mist in the cooling channel. The cooled gas then proceeds 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 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. |
Experience the unmatched precision and excellence that Sanzhi (Henan) Compressor Co., Ltd. brings to the forefront with our water-cooled compressors. These are not just machines, they are the epitome of advanced engineering innovation. By marrying cutting-edge technology with practical application, these compressors leverage water's superior cooling abilities to enhance lubrication and significantly extend the lifespan of components most vulnerable to wear. Utilizing pioneering techniques, our compressors meticulously purify internal elements and efficiently manage heat dissipation from cylinders and compressed air. The result is a notable reduction in exhaust temperatures and a marked decrease in power consumption, translating to exceptional operational cost savings. To ensure sustained top performance and unwavering reliability, regular monitoring of the cooling system and proactive management of potential scaling challenges are imperative.
1) High efficiency of PM motor:Discover the extraordinary capabilities of our innovative permanent magnet (PM) motor, crafted with precision for exceptional performance. It offers a consistent torque range and an expansive weak magnetic spectrum, achieving an impressive 20-30% increase in efficiency over traditional motors. Notably, the PM motor maintains its superior efficiency beyond rated frequencies, ensuring peak performance under all conditions.
2) Motor maintenance-free:Introducing our state-of-the-art permanent magnet motor, which features a bearing-free design that eradicates the usual costs associated with motor bearing maintenance and replacement. This revolutionary design approach substantially cuts down overall maintenance expenses.
3) Integrated frequency converter: Our compressor is outfitted with China's leading frequency system, enabling extensive speed regulation with unmatched precision. This adaptive system adjusts seamlessly to real-time gas demands, ensuring peak energy efficiency and exceptional operational performance.
4) No transmission loss: Witness the ingenuity of our compressor's direct shaft connection design, coupled with a cutting-edge permanent magnet motor. This innovative approach eliminates the need for couplings and other transmission components, ensuring flawless 100% transmission efficiency and a compact, streamlined structure.
5) Variable frequency start and soft start:Our advanced motor design significantly alleviates stress on power grid infrastructure, protecting electrical systems from potential harm and markedly extending their lifespan.
6) Reduced energy consumption: Our system showcases a remarkable frequency conversion range of 25% to 100%, well beyond the standard 50% to 100%. This achieves over 30% energy savings compared to fixed-speed compressors and about 5% more than typical variable frequency models, offering substantial benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly designed two-stage compression screw machine integrates primary and secondary compression rotors in a single casing. Each rotor operates independently, propelled by gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method offers outstanding cooling effects, significantly lowering compressed air temperatures. This forward-thinking approach achieves near-isothermal compression, minimizing pressure loss between stages, reducing the compression ratio, and boosting overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system skillfully minimizes compression ratios for each stage, significantly reducing internal leakage between high and low-pressure ends, thus enhancing volumetric efficiency.
10) Noise reduction:Our two-stage system's decreased compression ratio substantially lowers noise levels, particularly during unloading procedures, creating a quieter and more serene working environment.
11) Easy maintenance and service:Despite its advanced two-stage compression design, the components and structures are on par with those of single-stage compressors, ensuring straightforward 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 complies with international noise standards. The removable door panels offer expansive 270-degree access, significantly simplifying maintenance tasks and enhancing service efficiency.
1. Unmatched Pricing Advantage
Step into a realm of unmatched market superiority with our irresistibly competitive ex-factory pricing. This strategic advantage empowers our cherished clients to not only compete but to continuously outshine their competitors, paving the path to extraordinary success and industry leadership.
2. Seamless Direct Transactions
Experience unparalleled efficiency with products delivered directly from our cutting-edge manufacturing hub. Our cost-effective and strategically engineered solutions are meticulously crafted to your exact specifications, ensuring impeccable accuracy and satisfaction at every phase of your collaboration with us.
3. Holistic OEM & ODM Solutions
Harness our extensive production capabilities and expert management team to secure top-tier OEM/ODM services. These meticulously tailored solutions are designed to integrate seamlessly with your requirements and align flawlessly with your business objectives, ensuring your path to success is firmly secured.
4. Tailored Customization Service
Excel in customizing non-standard export orders by offering bespoke solutions across key parameters such as voltage, power, and pressure. Partner with us to explore solutions crafted to meet and exceed your unique requirements.
5. Flexible Acceptance of Smaller Orders
Begin your journey with us by placing a small trial order to experience firsthand the exceptional quality and performance that our products consistently deliver. Your complete satisfaction is our unwavering promise and steadfast commitment.
6. Rapid Delivery Service
Take advantage of our rapid delivery services, ensuring smooth and uninterrupted operations. Our outstanding product offerings are perfectly complemented by on-time delivery, consistently aligned with your schedule.
7. Extensive Authorization
Elevate your business prestige with our comprehensive suite of authorization certificates. Our esteemed distributors are empowered to represent the SANZHI brand products with confidence, promoting them with pride, assurance, and unwavering certainty.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a distinguished leader in the air compression industry, with over a decade of unparalleled expertise. Our innovative journey in technological advancements has resulted in a remarkable portfolio of state-of-the-art products. These include high-performance screw air compressors and pioneering screw vacuum pumps, establishing new standards in the industry. Our diverse product lineup features standard and low-pressure screw air compressors, advanced models with permanent magnet frequency conversion technology, and robust two-stage compression units. Each screw air compressor is expertly designed to not only meet but surpass industry expectations, excelling in a variety of applications such as laser cutting, versatile single-tank and double-tank mobile solutions, as well as electric and diesel mobile configurations. Moreover, our revolutionary screw vacuum pumps redefine precision and dependability, reinforcing our prestigious position as industry vanguards.
Our state-of-the-art assembly lines exemplify manufacturing excellence, characterized by remarkable efficiency and production capacity. Our operations are driven by a team of over 50 seasoned professionals who continuously enhance our management systems, with a strong focus on ERP. This ensures significantly reduced lead times and guarantees the swift delivery of our premium products.
Our unwavering commitment to superior management practices is underscored by our esteemed ISO9001 quality management system certification. We adhere to the highest quality standards through rigorous control protocols, ensuring each machine undergoes a comprehensive inspection regime. This includes material evaluations, production analyses, and thorough pre-delivery inspections, guaranteeing only the finest machinery reaches our valued clients.
Our relentless pursuit of exceptional customer service begins with expert pre-sales consultations, assisting clients in selecting the ideal air equipment tailored to their unique needs. Our unparalleled customization capabilities enable us to adjust both appearance and configuration according to personal preferences, offering OEM services to cater to specific dealer requirements. Our dedicated sales and service team ensures a swift and effective response, promising seamless and reliable after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our mission is crystal clear and unwavering: to provide exceptional, dependable products while fostering enduring customer relationships. By seamlessly integrating rapid delivery, superior 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 unparalleled convenience to our clients. We provide complimentary transportation from Xinzheng International Airport, located just 30 kilometers away-only an hour's drive. We warmly invite you to experience our prestigious 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 conduct comprehensive inspections on all raw materials to ensure superior quality.
2. Our precise assembly procedures maintain exceptional standards of excellence.
3. Each 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 aligned with 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 present a wide spectrum of voltage configurations, meticulously crafted to cater to the diverse needs of our esteemed global clientele. Discover our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our commitment to bespoke solutions, paired with superior customization services, ensures unparalleled alignment with your operational requirements. This unwavering dedication guarantees exceptional adaptability and performance, fortifying your enterprise with steadfast reliability and unrivaled efficiency.
Q6. How long is the delivery time?
A: With standard voltage specifications, our streamlined order processing achieves completion within a remarkable 15 working days after confirming your order. For tailored requests, our proactive sales team collaborates closely with you to establish a timeline precisely matching your unique requirements, ensuring flawless and timely delivery. Our diligent approach not only ensures your satisfaction but also nurtures a partnership founded on trust, consistently surpassing expectations.
Q7. What's the payment term?
A: Our payment terms are strategically designed for simplicity and ease. Production kicks off with a 30% T/T initial payment, followed by a 40% T/T pre-shipment, and concludes with a final 30% T/T upon receiving the B/L copy. We accept payments in both USD and RMB, offering flexibility and convenience for our esteemed clients. This ensures a seamless and efficient transaction process.
Q8. How about your warranty?
A: Our warranty program is meticulously designed to offer exceptional security and peace of mind. Enjoy a comprehensive one-year warranty on the entire machine, and an extended two-year warranty specifically for the screw air compressor, excluding consumable parts. This extensive coverage provides unparalleled protection, empowering you to secure your investment with utmost confidence, allowing you to focus on your operations without concern.
Q9. What about the maintenance?
A: To maintain optimal performance and prolong your equipment's lifespan, maintenance is advisable after 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is recommended, tailored to your specific working environment. This routine upkeep is crucial for sustaining exceptional durability and reliability, ensuring your investment continues to deliver outstanding performance year after year.
Q10. Can machines be run in a high-temperature environment?
A: Absolutely, our machines are robustly engineered to thrive in high-temperature environments, operating seamlessly within a range of -20°C to 45°C (-4°F to 113°F). This assures reliable performance even under the toughest conditions, allowing your operations to remain strong and productive, ensuring consistent success and efficiency.
Q11. Do you offer OEM service?
A: Indeed, we are thrilled to extend both OEM and ODM services, backed by our talented design team. We warmly welcome custom orders and are committed to transforming your unique visions into reality, ensuring your concepts are executed with precision and excellence. Partner with us for unrivaled customization and innovation as we strive to bring your ideas to fruition.
Q12. How long could your air compressor be used?
A: Our air compressors are expertly designed to provide exceptional longevity, typically offering a lifespan exceeding an impressive 10 years. This ensures consistent and enduring performance, reliably supporting your operations. Choose our compressors to experience lasting dependability and peace of mind, knowing your selection will deliver ongoing benefits and efficiency.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are committed to offering ongoing support by supplying essential spare parts for your machines. This guarantees uninterrupted operations, enabling you to maintain peak performance while effectively minimizing downtime. Our dedication to your success is evident through our comprehensive support and exceptional customer service.
Q14. How about your after-sales service?
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