Experience a new dimension of industrial excellence with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a masterpiece reflecting the pinnacle of German engineering skill. As a revered pioneer in China's compressor landscape, Sanzhi (Henan) Compressor Co., Ltd. unveils this revolutionary advancement. Transform your operations with our innovative Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, celebrated for revolutionizing factory pricing paradigms. This engineering marvel, adorned with cutting-edge Centrifugal Fans, not only promises unparalleled energy efficiency but also ensures significant cost reductions, thereby reimagining operational economics. With precision craftsmanship tailored for stationary applications, this sturdy titan effortlessly aligns with the stringent requirements of industrial environments, setting new milestones in both performance and dependability. Enter a new epoch of industrial excellence where your operations soar to extraordinary heights. The Sanzhi 250KW Compressor is engineered to offer remarkable energy efficiency, noteworthy cost savings, and unrivaled dependability. Enhance your operational potential with a design that embodies advanced technology and German engineering mastery. Embrace the future of industrial performance with a product that not only fulfills but surpasses the expectations of industrial might, establishing a fresh benchmark for supremacy within the sector.
In-Depth Analysis: Embark on a captivating exploration into the heart of this cutting-edge system, focusing on the Frontside. Discover how every component seamlessly blends together, masterfully orchestrated to deliver extraordinary performance and steadfast reliability.
Revolutionary Working Principle: Enter a new era of air compression where cutting-edge innovation harmonizes with remarkable efficiency, redefining industry standards with a commitment to sustainability and unmatched performance.
Leading the charge in air compression technology, our system epitomizes unmatched efficiency through the harmonious blend of single-stage and multi-stage configurations. Although both systems theoretically consume similar energy, real-world inefficiencies such as transmission power losses, bearing friction, and cooling dynamics often increase actual energy usage. Our multi-stage systems, by strategically reducing the compression ratio at each stage, achieve extraordinary efficiency, significantly curbing energy consumption compared to single-stage counterparts. This advanced approach not only enhances system performance but also dramatically reduces energy waste, setting a groundbreaking standard in power efficiency.
Introducing the revolutionary 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological wonder features a sophisticated dual rotary screw mechanism, with each stage equipped with an active screw that propels a passive one via a meticulously engineered external power transfer system. The initial stage comprises a low-pressure screw assembly optimized for top-tier performance, while the subsequent stage contains a high-pressure screw assembly. Integral to this complex process are sealing air films enveloping each screw, directing compression through three pivotal phases: seamless air intake, dynamic pressurization that elevates efficiency to unprecedented heights, and the final exhaust phase, culminating the cycle with unmatched precision and excellence.
First Stage Compression: The introductory phase of the two-stage screw air compressor exemplifies engineering brilliance. A precise low-pressure screw assembly initiates the process, channeling gas into the compression chamber through a meticulously calibrated suction valve. As the rotor spins at impressive velocities, the gas undergoes initial compression, laying the groundwork for heightened compression in the subsequent phase, setting the stage for remarkable performance.
Second Stage Compression: As gas proceeds into the second stage, it enters a meticulously designed, more confined screw space where pressure and temperature are precisely elevated. This process culminates when the exhaust valve opens, allowing high-pressure gases to effortlessly exit the system, completing an intricate compression cycle characterized by unrivaled efficiency and sophistication.
The sophisticated air compression journey begins as ambient air effortlessly traverses the air filter, merging with a touch of lubricating oil within the compression chamber. This blend 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, encountering 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 end 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. |
The water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd. are a marvel of modern engineering and a testament to precision craftsmanship. By leveraging the exceptional cooling prowess of water, these compressors provide superior lubrication and extend the lifespan of components that are susceptible to friction. The circulating cooling water system meticulously cleanses internal parts, while efficiently dissipating excess heat from both the cylinder and the compressed gas. This sophisticated mechanism dramatically reduces exhaust temperatures, cuts down power consumption, and leads to substantial cost savings in operations. To ensure these compressors continue operating at peak performance, it's essential to regularly monitor and manage any potential scaling issues within the cooling system promptly.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor epitomizes technological excellence, designed to unleash extraordinary constant torque across a broad weak magnetic spectrum. This motor boasts a remarkable 20-30% uplift in efficiency compared to traditional motors. Even beyond rated frequencies, the PM motor impressively preserves its outstanding efficiency, ensuring peak performance across all operational scenarios.
2) Motor maintenance-free:This revolutionary permanent magnet motor features an innovative bearing-free design, eliminating the typical costs associated with motor bearing maintenance and replacement. This pioneering design significantly reduces overall maintenance expenses, ensuring a hassle-free experience.
3) Integrated frequency converter: Equipped with China's premier frequency system, our compressor displays a vast array of speed regulation with unparalleled precision. This state-of-the-art system skillfully adjusts in real-time to fulfill gas demands, guaranteeing top-tier energy efficiency and outstanding operational performance.
4) No transmission loss: Featuring a direct shaft connection design, the compressor incorporates an embedded permanent magnet motor for a sleek and compact architecture. This intelligent design eliminates the need for couplings and other transmission components, thus achieving perfect 100% transmission efficiency.
5) Variable frequency start and soft start:Our advanced motor design is engineered to minimize impact on power grid equipment, effectively protecting electrical systems from potential damage and significantly extending the lifespan of the entire system.
6) Reduced energy consumption: With a remarkable frequency conversion range of 25% to 100% (compared to the standard 50% to 100%), our system delivers over 30% energy savings relative to fixed-speed compressors and approximately 5% more savings than typical variable frequency compressors, offering substantial advantages for systems with varying gas consumption requirements.
7) Unique two-stage compression air end:The two-stage compression screw machine is a masterpiece of engineering, integrating first and second-stage compression rotors within a single casing. Each rotor is driven by individual gears to ensure optimal linear speed and unparalleled compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method delivers exceptional cooling effects, significantly lowering the temperature of the compressed air. This results in nearly isothermal compression, reduced pressure loss between stages, and a lower compression ratio, enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly reduces the compression ratio for each stage, minimizing internal leakage between high and low-pressure ends, thereby boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio inherent in the two-stage system significantly lowers noise levels, particularly during unloading operations, ensuring a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite the advanced design of the two-stage compression system, the remaining components and structures retain similarities to single-stage compressors, ensuring straightforward maintenance and a user-friendly service experience.
12) Door Panels are Removable:Engineered with superior noise-dampening metal plates and meticulously lined with top-tier high-density sound-absorbing materials, this sophisticated unit is designed to comply with stringent international noise standards. The innovative door panel opens with ease and can be entirely removed, offering an impressive 270-degree extensive access. This thoughtful design dramatically simplifies the tasks of maintenance personnel, enhancing their ability to perform routine checks and repairs with unparalleled efficiency while ensuring uninterrupted and seamless operational flow.
1. Unbeatable Pricing Edge: Exceptional Value
Revolutionize your market influence through our remarkably competitive ex-factory pricing. This unparalleled advantage empowers clients to not only surpass competitors but also secure a prominent position in their industry, creating a lasting impact and elevating market presence.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unmatched efficiency and direct transactions as our products come straight from our state-of-the-art manufacturing facility. Our cost-effective solutions are meticulously crafted to meet your specifications, ensuring precision and maximum satisfaction at every step.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Leverage our extensive production expertise and proficient management to deliver superior OEM/ODM services. These solutions are designed to perfectly align with your specific needs and strategic business goals, ensuring your vision is implemented with precision and excellence.
4. Tailored Customization Service: Unique to Your Needs
Specializing in non-standard export orders, we provide bespoke customization for parameters such as voltage, power, and pressure. Contact us for personalized solutions crafted meticulously to meet your unique requirements, ensuring tailor-made precision and satisfaction.
5. Acceptance of Small Orders: Discover Our Quality
Start with a small trial order to witness the unparalleled quality and dependable performance our products offer. Your satisfaction is our utmost commitment, and we strive to exceed your expectations consistently.
6. Swift Delivery: Keep Operations Uninterrupted
Take advantage of our fast delivery services, expertly designed to ensure seamless and uninterrupted operations. With our top-quality products, your schedules are prioritized and consistently met with precision and reliability.
7. Complete Authorization: Empower Your Enterprise
Empower your enterprise with our extensive authorization certificates. Our respected distributors are fully equipped and authorized to market the distinguished SANZHI brand products with absolute confidence and pride, strengthening your brand's presence.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a beacon of excellence in the world of air compression technology, drawing from over a decade of unparalleled industry expertise. As true pioneers, we offer an impressive range of innovative products, featuring state-of-the-art screw air compressors and revolutionary screw vacuum pumps. Our extensive collection includes not just standard models but also groundbreaking low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors set new industry standards, expertly engineered for laser cutting, adaptable for single and double-tank mobile use, as well as versatile electric and diesel mobile applications. Our revolutionary screw vacuum pumps are crafted with precision and reliability, reinforcing our reputation as industry forerunners.
Our manufacturing capability is driven by advanced assembly lines, achieving unprecedented efficiency and effectiveness. With a committed team of over 50 skilled professionals, we continuously optimize our management systems, such as ERP, significantly reducing lead times and ensuring the swift delivery of our premium products.
Our relentless commitment to exceptional management is highlighted by our prestigious ISO9001 quality management certification. By upholding rigorous quality standards and employing stringent control measures, each machine undergoes comprehensive inspections, including materials evaluations, production assessments, and thorough pre-delivery checks. This guarantees that only machines of the highest caliber reach our valued customers.
Our commitment to superior customer service begins with expert pre-sales consultations, guiding clients to choose the perfect air equipment tailored to their specific needs. Our unrivaled customization capabilities allow us to tailor both appearance and configuration to individual preferences, alongside providing OEM services for specific dealer requirements. Our dedicated sales and service team ensures swift and effective support, ensuring seamless and efficient post-sales service.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to deliver superior, reliable products while fostering enduring customer relationships. By combining rapid delivery with exemplary product quality and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Located in Xinzheng City, Henan Province, China, our facility offers unrivaled accessibility for our clients. We offer complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, a mere hour's drive. We eagerly invite you to visit our esteemed facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer specializing in screw air compressors, with over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We meticulously inspect all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly procedures are executed with precision to maintain unparalleled excellence.
3. Each machine undergoes a minimum of five continuous hours of rigorous testing before dispatch, ensuring peak performance and reliability.
Q3. What information must I provide to get the suitable machine?
1. Required air delivery capacity (expressed in CFM or m³/Min)
2. Desired working pressure (expressed in PSI, Bar, or Mpa)
3. Voltage and frequency specifications for your country (expressed in V/Hz)
4. Additional accessories needed (e.g., air tanks, filters, air dryers).
Provide these details, and we will craft a bespoke solution precisely tailored to 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 air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we are delighted to offer an impressive spectrum of voltage options, each precisely crafted with exceptional precision to meet the unique demands of varied global locales. Select from our versatile configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to delivering tailor-made solutions through our esteemed customization services ensures our products integrate seamlessly into your operational framework. This dedication culminates in unrivaled adaptability and heightened efficiency, empowering your enterprise with peak performance and unwavering reliability.
Q6. How long is the delivery time?
A: With our standard voltage options, we stand out by expediting order processing, achieving completion within an impressive 15 working days post order confirmation. For customized orders, our proactive sales team collaborates closely with you to develop a timeline perfectly tailored to your needs, ensuring a smooth and timely delivery. Our scrupulous attention to detail guarantees your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are crafted for effortless simplicity and convenience. Production commences with a 30% T/T deposit, followed by a 40% T/T payment prior to shipment, concluding with the final 30% T/T payment upon receipt of the B/L copy. We accommodate transactions in both USD and RMB currencies, offering flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We extend a comprehensive one-year warranty on the entire machine, augmented by an additional two-year warranty specifically for the screw air compressor, excluding consumable parts. This extensive coverage provides unmatched protection and peace of mind, safeguarding your investment with superior assurance.
Q9. What about the maintenance?
A: To preserve peak performance and extend longevity, we advise initiating maintenance after the initial 500 hours of operation. Thereafter, regular servicing every 2000-3000 hours is recommended, tailored to your specific working conditions. This routine maintenance is crucial for maintaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are meticulously engineered to excel in high-temperature environments. They perform effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), guaranteeing consistent functionality even under the most challenging conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we are proud to provide both OEM and ODM services, backed by our expert design team. We warmly welcome custom orders and are committed to bringing your unique ideas to life with precision and excellence. Partner with us for unparalleled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for durability, typically providing an extraordinary lifespan exceeding 10 years. This promises reliable and enduring performance, consistently supporting your operations over the long term. Invest in our compressors for lasting dependability.
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 ensures uninterrupted operations and minimal downtime, allowing you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are fully committed to providing exceptional after-sales service. Our extensive 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 priorities, guaranteeing you receive unparalleled support.
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