Step into the realm of unmatched innovation with the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor. This exceptional creation, adorned with the brilliance of advanced German technology, stands as a testament to engineering prowess. Sanzhi (Henan) Compressor Co., Ltd., a trailblazer in China's compressor industry, proudly presents this revolutionary marvel designed to catapult your operational efficiency to new heights. Our Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor is celebrated for setting a new standard in affordable factory pricing, all while delivering superior performance. At its core are advanced Centrifugal Fans, expertly engineered for exceptional energy savings, significantly slashing your operational costs. Specifically crafted for stationary applications, this formidable machine is built to excel in demanding industrial environments, establishing new benchmarks in performance, durability, and reliability. Embrace the future of industrial compressors with a product that not only promises to meet your expectations but to exceed them, ushering in a new era of productivity and sustainability.
In-Depth Analysis: Dive deep into the fascinating world of our state-of-the-art systems by exploring the internal structure - Frontside. Uncover the extraordinary engineering that supports our innovative designs, displaying unmatched precision and pioneering advancements.
Revolutionary Working Principle: Ushering in a groundbreaking chapter in air compression technology, this principle is poised to revolutionize industry norms and elevate performance standards to extraordinary dimensions.
At the forefront of air compression innovation, exceptional efficiency is realized through the harmonious integration of single-stage and multi-stage systems. Optimal scenarios presume balanced energy consumption between both; however, practical conditions often require additional power to mitigate transmission losses, bearing friction, and cooling effects. By meticulously tuning the compression ratio at each stage, multi-stage systems achieve remarkable efficiency, significantly reducing power consumption compared to single-stage models. This sophisticated approach not only enhances overall system performance but also dramatically decreases surplus energy demand, setting a groundbreaking benchmark in power efficiency.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor from Sanzhi (Henan) Compressor Co., Ltd. This technological innovation is crafted with a pioneering dual rotary screw design, where each stage features an active screw driving a passive screw through a precisely engineered external power transfer mechanism. The initial phase is driven by a low-pressure screw assembly, optimized for peak output, while the subsequent stage involves a high-pressure screw assembly. Essential to this advanced process is the presence of sealing air films enveloping each screw, directing the compression through three crucial phases: seamless air intake, dynamic pressurization that elevates efficiency to unprecedented levels, and the final exhaust stage, completing the cycle with precision and mastery.
First Stage Compression: The inaugural phase of the two-stage screw air compressor showcases engineering excellence. A sophisticated low-pressure screw assembly takes the lead, channeling gas into the compression chamber via a precisely designed suction valve. As the rotor spins at astounding speeds, the gas undergoes initial compression, setting the stage for intensified compression in the next phase and priming the system for extraordinary performance.
Second Stage Compression: As the gas moves into the second stage, it enters a uniquely designed, more confined screw space where both pressure and temperature are methodically raised to extraordinary levels. This process culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, completing an intricate compression cycle characterized by unmatched efficiency and sophistication.
The elegantly orchestrated air compression journey begins as ambient air smoothly passes through the air filter, merging with a hint of lubricating oil within the compression chamber. This mixture undergoes initial compression to intermediate pressure, followed by significant cooling through interaction with oil mist in the cooling channel. The cooled gas then advances to the second-stage rotor, enduring a secondary compression phase to reach the desired final exhaust pressure. This meticulously coordinated cycle concludes as the compressed gas is elegantly expelled through the exhaust valve, signifying the completion of an exceptionally 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, a masterful creation by Sanzhi (Henan) Compressor Co., Ltd., representing the zenith of precision engineering excellence. By leveraging water's extraordinary cooling abilities, these compressors ensure superior lubrication, vastly extending the lifespan of friction-prone components. This cutting-edge technology meticulously purifies internal mechanisms and efficiently dissipates heat from both cylinders and compressed gases. The result? Remarkably lower exhaust temperatures and significantly reduced power consumption, leading to substantial operational cost savings. For sustained peak performance and unparalleled reliability, it is crucial to regularly monitor and proactively manage any potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor is a marvel of engineering, designed to deliver an extraordinary constant torque range along with an expansive weak magnetic spectrum. This avant-garde motor achieves an unprecedented 20-30% increase in efficiency over conventional motors. Even at frequencies surpassing the rated level, the PM motor maintains its exceptional efficiency, guaranteeing optimal performance in all operating scenarios.
2) Motor maintenance-free:Ingeniously crafted, the permanent magnet motor sports a bearing-free design, completely eliminating the typical costs associated with motor bearing upkeep and replacement. This revolutionary design results in a significant reduction in overall maintenance expenses, offering unparalleled cost-effectiveness.
3) Integrated frequency converter: Equipped with China's foremost frequency system, our compressor delivers extensive speed regulation with remarkable precision. This dynamic system seamlessly adjusts to real-time gas demands, ensuring maximum energy conservation and heightened operational efficiency.
4) No transmission loss: Through a direct shaft connection design, our compressor incorporates an advanced permanent magnet motor, contributing to a sleek, streamlined structure. This innovative design eliminates the need for couplings and additional transmission elements, achieving impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design effectively mitigates impacts on power grid equipment, safeguarding electrical systems from potential damage and significantly extending the entire system's lifespan.
6) Reduced energy consumption: Boasting an exceptional frequency conversion range from 25% to 100%-outperforming the standard 50% to 100%-our system delivers over 30% energy savings compared to fixed-speed compressors, and approximately 5% more than standard variable frequency compressors. This offers substantial advantages for systems facing variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly designed two-stage compression screw machine seamlessly integrates first and second-stage compression rotors within a single casing. Each rotor is driven by individual gears, ensuring optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method delivers exceptional cooling effects, significantly lowering compressed air temperatures. This process results in near-isothermal compression, reduced pressure loss between stages, a lower compression ratio, and enhanced overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly decreases the compression ratio for each stage, thereby minimizing internal leakage between high and low-pressure ends and improving volumetric efficiency.
10) Noise reduction:With a reduced compression ratio in the two-stage system, noise levels are significantly lowered, especially during unloading operations, ensuring a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite the sophisticated two-stage compression design, other components and structures remain akin to single-stage compressors, ensuring ease of maintenance and user-friendly service.
12) Door Panels are Removable:Crafted with noise-reducing metal plates and lined with high-density sound-absorbing material, the unit adheres to international noise standards. The door panels can be effortlessly opened and detached, providing comprehensive 270-degree access that greatly facilitates maintenance personnel's tasks, boosting service efficiency.
1. Unbeatable Pricing Edge
Step into a realm of market leadership with our irresistibly competitive ex-factory pricing. This compelling advantage empowers our valued clients to consistently outperform their competition and achieve outstanding success in their respective fields.
2. Seamless Direct Transactions
Discover peak efficiency with products shipped directly from our state-of-the-art manufacturing facility. Our cost-effective solutions are meticulously customized to meet your exact specifications, ensuring precision and satisfaction at every stage.
3. Extensive OEM & ODM Solutions
Leverage our robust production capabilities and expert management for outstanding OEM/ODM services. These bespoke solutions are meticulously crafted to align perfectly with your specific needs and overall business goals.
4. Tailored Customization Service
We specialize in fulfilling non-standard export orders by offering customization in key parameters such as voltage, power, and pressure. Reach out to discover bespoke solutions meticulously tailored to meet your unique requirements.
5. Acceptance of Small Orders
Begin your journey with a small trial order to experience firsthand the exceptional quality and performance our products consistently provide. Ensuring your satisfaction is our utmost commitment.
6. Swift Delivery
Benefit from our rapid delivery services, ensuring your operations remain seamless and uninterrupted, with timelines reliably met through our superior product offerings.
7. Complete Authorization
Enhance your business with our comprehensive authorization certificates. Our esteemed distributors can confidently represent the prestigious SANZHI brand products with pride and assured confidence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of innovation and excellence in the air compression industry, proudly boasting over a decade of unrivaled expertise and groundbreaking technological advancements. Our leadership is reflected through an impressive array of cutting-edge products, including top-tier screw air compressors and pioneering screw vacuum pumps. Our extensive product lineup features not only standard and low-pressure screw air compressors but also groundbreaking permanent magnet frequency conversion models and robust two-stage compression units. Crafted with meticulous precision, our screw air compressors set new benchmarks, serving applications ranging from laser cutting to versatile single-tank and double-tank mobile variations, as well as both electric and diesel mobile configurations. Furthermore, our state-of-the-art screw vacuum pumps are engineered for unmatched accuracy and reliability, cementing our prestigious status as industry leaders.
Harnessing cutting-edge assembly lines, our manufacturing power is unmatched, delivering unparalleled efficiency and capability. Supported by a team of over 50 dedicated experts, we continuously refine our management systems, including ERP, to sharply reduce lead times and ensure the rapid delivery of our superior products.
Our unwavering commitment to excellence in management is highlighted by our esteemed ISO9001 quality management system certification. Dedicated to adhering to rigorous quality standards through stringent control measures, each machine undergoes a comprehensive inspection process, encompassing material evaluations, production assessments, and thorough pre-delivery checks, ensuring that only machinery of the highest quality reaches our valued clientele.
Our relentless dedication to providing outstanding customer service begins with expert pre-sales consultations, guiding clients to select the perfect air equipment tailored to their specific needs. Our unparalleled customization capabilities allow us to modify both the appearance and configuration to meet personal preferences, offering OEM services tailored to specific dealer requirements. Our committed sales and service team provides prompt and effective responses, ensuring seamless and efficient after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver exceptional and reliable products while nurturing lasting customer partnerships. By blending swift delivery with 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 for our clients. We provide complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away - a quick hour's drive. We sincerely invite you to visit our distinguished facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer with specialized expertise in screw air compressors, drawing on over a decade of industry excellence.
Q2. How do you control quality?
A: 1. We perform thorough inspections on all raw materials to secure superior quality.
2. Our meticulous assembly procedures ensure unparalleled excellence.
3. Each machine undergoes a rigorous minimum of five continuous hours of testing before dispatch to guarantee 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 craft a tailor-made solution precisely 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 for the air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we take immense pride in presenting a stunning array of voltage options, each skillfully crafted to meet the diverse regional needs. Discover our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our commitment to providing expertly customized solutions ensures that our products are perfectly aligned with your specific operational requirements. This dedication guarantees exceptional flexibility and efficiency, empowering your business with superior performance and unwavering reliability.
Q6. How long is the delivery time?
A: With our standard voltage specifications, we excel in prompt order processing, achieving completion within a remarkable 15 working days after confirmation. For customized orders, our proactive sales team collaborates closely with you to create a seamless timeline, ensuring a smooth and punctual delivery. Our thorough approach guarantees your complete satisfaction and trust.
Q7. What's the payment term?
A: Our payment terms are streamlined for convenience and simplicity. We require an initial 30% T/T payment to commence production, followed by 40% T/T before shipment, with the final 30% T/T upon receiving the B/L copy. We accept payments in both USD and RMB, offering flexibility and ease for our valued clients.
Q8. How about your warranty?
A: Our comprehensive warranty package provides a full one-year warranty on the entire machine, with an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive protection offers unmatched security and peace of mind, safeguarding your investment with top-notch assurance.
Q9. What about the maintenance?
A: To ensure optimal performance and longevity, we recommend the first maintenance after 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This proactive maintenance is crucial for maintaining peak durability and reliability over time.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly crafted to thrive in high-temperature environments. They perform effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing reliable functionality even in the toughest conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly offer both OEM and ODM services, backed by our highly skilled design team. We welcome custom orders and are committed to transforming your unique ideas into reality, ensuring your vision is executed with precision and excellence. Partner with us for unparalleled customization and innovation.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for longevity, typically delivering an extraordinary lifespan exceeding 10 years. This ensures reliable and enduring performance, consistently supporting your operations. Choose our compressors for long-term dependability and peace of mind.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are dedicated to providing continuous support by supplying essential spare parts for your machines. This guarantees seamless operations, enabling you to maintain optimal performance and effectively minimize downtime.
Q14. How about your after-sales service?
A: We are committed to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, along with access to our expert engineers for training and installation assistance. Your satisfaction and success are our top priorities, ensuring you receive unparalleled support and guidance.
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