Immerse yourself in a realm of unparalleled excellence with the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor, a true embodiment of German engineering brilliance. As an eminent leader in China's compressor sector, Sanzhi (Henan) Compressor Co., Ltd. proudly introduces this remarkable innovation. Revolutionize your operational landscape with our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, venerated for setting new standards in factory pricing. This engineering marvel, integrated with state-of-the-art Centrifugal Fans, achieves exceptional energy efficiency and delivers substantial cost savings, redefining the economics of industrial operations. Meticulously crafted for stationary applications, this formidable powerhouse effortlessly meets the stringent demands of industrial environments, setting unparalleled benchmarks in performance and reliability. Experience the pinnacle of excellence that elevates your operational capabilities to extraordinary heights.
In-Depth Analysis: Immerse yourself in the sophisticated intricacies of our product's internal architecture, with a spotlight on the Frontside. Uncover the seamless integration of every component, expertly crafted to provide unmatched performance and reliability.
Revolutionary Working Principle: Step into a New Era of Air Compression, where cutting-edge innovation seamlessly merges with exceptional efficiency. This pioneering principle redefines industry standards, delivering superior performance with an emphasis on sustainability.
At the forefront of air compression technology, our system achieves pinnacle efficiency through a masterful blend of single-stage and multi-stage systems. Although theoretically both systems require similar energy, practical hindrances like transmission power losses, bearing friction, and cooling effects often escalate energy demands. By expertly minimizing the compression ratio in each stage, our multi-stage systems attain unparalleled efficiency, drastically reducing energy consumption compared to single-stage counterparts. This advanced method not only enhances system performance but also dramatically cuts down excess energy usage, setting a groundbreaking 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 marvel features a cutting-edge dual rotary screw system. Each stage includes an active screw driving a passive one via an expertly crafted external power transfer mechanism. The first stage features a low-pressure screw assembly fine-tuned for peak performance, while the second stage contains a high-pressure screw assembly. Essential to this intricate process are sealing air films encompassing each screw, guiding compression through three critical stages: seamless air intake, dynamic pressurization boosting efficiency to unparalleled levels, and the final exhaust phase, completing the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of the two-stage screw air compressor is a testament to engineering brilliance. A precision-engineered low-pressure screw assembly begins the process, channeling gas into the compression chamber through an expertly designed suction valve. As the rotor spins at remarkable velocities, the gas undergoes initial compression, setting the stage for intensified compression in the next phase, preparing the system for extraordinary performance.
Second Stage Compression: As the gas advances to the second stage, it enters a specially designed, more confined screw space where both pressure and temperature are meticulously elevated to unprecedented heights. This intricate process culminates as the exhaust valve opens, allowing high-pressure gases to exit the system. This marks the completion of a sophisticated compression cycle, distinguished by unparalleled efficiency and sophistication.
The sophisticated air compression journey starts as ambient air smoothly passes through the air filter, merging with a touch of lubricating oil in 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 proceeds to the second-stage rotor, confronting a secondary compression phase to achieve the desired final exhaust pressure. This meticulously orchestrated cycle reaches its conclusion as the compressed gas is gracefully expelled through the exhaust valve, marking the end 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. |
Sanzhi (Henan) Compressor Co., Ltd. proudly presents water-cooled compressors that embody the pinnacle of precision engineering. By harnessing the unparalleled cooling potential of water, these compressors ensure superior lubrication and longevity for components prone to wear from friction. The system's circulating cooling water meticulously cleans internal parts, effectively dissipating heat from the cylinder and the compressed gas. This sophisticated mechanism dramatically reduces exhaust temperatures and power consumption, culminating in substantial operational cost savings. To maintain optimal performance, it is crucial to regularly monitor and swiftly address any potential scaling issues within the cooling system.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is crafted to deliver an extraordinary constant torque range and a vast weak magnetic spectrum. With efficiency levels that soar 20-30% above traditional motors, the PM motor maintains its superior performance even at frequencies exceeding rated levels, ensuring exceptional functionality across all operational conditions.
2) Motor maintenance-free:The ingeniously designed permanent magnet motor boasts a bearing-free construction, eliminating the usual expenses linked to motor bearing upkeep and replacement. This groundbreaking design dramatically reduces overall maintenance costs.
3) Integrated frequency converter: Our compressor is equipped with China's premier frequency system, facilitating extensive and precise speed regulation. The system dynamically responds to real-time gas demands, optimizing energy savings and maximizing operational efficiency.
4) No transmission loss: With a direct shaft connection design, our compressor features an integrated permanent magnet motor that creates a streamlined and compact structure. This cutting-edge approach removes the necessity for couplings and other transmission components, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:The advanced motor design significantly reduces impact on power grid equipment, safeguarding electrical systems from potential harm and extending the overall longevity of the system.
6) Reduced energy consumption: Boasting an outstanding frequency conversion range of 25% to 100%, our system provides over 30% energy savings compared to fixed-speed compressors and about 5% more savings than standard variable frequency compressors. This translates to substantial advantages for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly crafted two-stage compression screw machine combines first and second-stage compression rotors within a single casing, with each rotor operated by individual gears to ensure optimal linear speed and peak compression efficiency.
8) Internal spray curtain cooling method: Our high-efficiency internal spray curtain cooling method provides exceptional cooling effects, significantly reducing compressed air temperatures. The result is 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 notably lessens the compression ratio for each stage, reducing internal leakage between high and low-pressure ends and consequently boosting volumetric efficiency.
10) Noise reduction:The reduced compression ratio in the two-stage system markedly decreases noise levels, especially during unloading operations, ensuring a quieter and more serene working environment.
11) Easy maintenance and service:Despite its advanced two-stage compression design, other components and structures of our system share similarities with single-stage compressors, ensuring easy maintenance and user-friendly service.
12) Door Panels are Removable:Built with noise-dampening metal plates and lined with high-density sound-absorbing material, the unit adheres to international noise standards. The door panel can be effortlessly opened and removed, offering a 270-degree comprehensive access that greatly facilitates maintenance personnel's entry and enhances service efficiency.
1. Unbeatable Pricing Edge
Elevate your market standing with our unprecedentedly competitive ex-factory pricing. This unique advantage empowers our clients to not only surpass competitors but also establish a commanding presence in their industry sectors.
2. Seamless Direct Transactions
Experience unparalleled efficiency with direct transactions as our products are shipped directly from our state-of-the-art manufacturing facility. Our cost-effective solutions are meticulously crafted to meet your specifications, ensuring accuracy and complete satisfaction.
3. Extensive OEM & ODM Solutions
Leverage our vast production capabilities and expert management for superior OEM/ODM services. Our solutions are engineered to integrate seamlessly with your specific requirements and strategic business objectives.
4. Tailored Customization Service
Specializing in non-standard export orders, we offer customization in areas such as voltage, power, and pressure. Contact us to discover personalized solutions tailored to meet your unique demands.
5. Acceptance of Small Orders
Begin with a small trial order to witness the exceptional quality and consistent performance our products deliver. Your satisfaction is our highest priority.
6. Swift Delivery
Take advantage of our rapid delivery services, crafted to keep your operations smooth and uninterrupted. With our premium products, your schedules are reliably maintained.
7. Complete Authorization
Strengthen your business with our comprehensive authorization certificates. Our esteemed distributors are fully equipped to market the prestigious SANZHI brand products with assurance and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands as a luminary in the realm of air compression technology, boasting over a decade of unrivaled industry prowess. As frontrunners in innovation, we present a comprehensive suite of cutting-edge products, including our state-of-the-art screw air compressors and pioneering screw vacuum pumps. Our expansive product range features not only standard models but also low-pressure screw air compressors, avant-garde permanent magnet frequency conversion units, and stalwart two-stage compression systems. Our screw air compressors are engineered to redefine industry benchmarks, expertly tailored for laser cutting, adaptable for both single-tank and double-tank mobile applications, and designed for versatile electric and diesel mobile configurations. Our revolutionary screw vacuum pumps epitomize precision and reliability, cementing our status as trailblazers in the industry.
Empowered by state-of-the-art assembly lines, our manufacturing prowess is unmatched in both efficiency and efficacy. With the commitment of over 50 adept professionals, we perpetually refine our management systems, such as ERP, markedly reducing lead times and ensuring the expeditious delivery of our premium offerings.
Our unwavering dedication to superior management is underscored by our prestigious ISO9001 quality management system certification. By adhering to stringent quality standards and employing exhaustive control measures, each machine undergoes comprehensive inspections, including material evaluations, production assessments, and painstaking pre-delivery checks, guaranteeing that only top-tier machines reach our esteemed customers.
Our pledge to deliver exceptional customer service begins with expert pre-sales consultations, aiding clients in selecting air equipment perfectly tailored to their specific requirements. Our unparalleled customization capabilities allow us to personalize both appearance and configuration to cater to individual preferences, offering OEM services for specific dealer needs. Our devoted sales and service team ensures prompt and effective responses, securing seamless and efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our steadfast mission is to furnish superior, dependable products while nurturing enduring customer relationships. By integrating swift delivery with outstanding product quality and competitive pricing, we establish ourselves as your trusted partner for comprehensive compressed air solutions.
Ideally situated in Xinzheng City, Henan Province, China, our factory offers unparalleled accessibility for clients. We provide complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away, just a brief hour's drive. We warmly invite you to visit our prestigious facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer, specializing in screw air compressors, proudly boasting over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We rigorously inspect all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly procedures are meticulously executed to uphold unmatched excellence.
3. Each machine undergoes at least five continuous hours of rigorous testing before dispatch to ensure 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 tailor-made solution precisely suited 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 proudly unveil a spectacular selection of voltage options meticulously crafted to meet the diverse demands of global markets. Choose from our diverse configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our steadfast dedication to providing bespoke solutions through exclusive customization services guarantees seamless integration with your operational needs. This unyielding commitment ensures unparalleled adaptability and efficiency, empowering your enterprise with peak performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, our commitment to excellence is evident in our rapid order processing, completing orders within an astounding 15 working days post-confirmation. For custom orders, our proactive sales team collaborates closely with you to tailor a timeline that perfectly fits your needs, ensuring a smooth and timely delivery process. Our meticulous attention to detail ensures your complete satisfaction.
Q7. What's the payment term?
A: Our payment terms are thoughtfully crafted to offer simplicity and ease. Production commences with an initial 30% T/T payment, followed by a 40% T/T prior to shipment, culminating with a final 30% T/T payment upon receipt of the B/L copy. Transactions are facilitated in both USD and RMB, offering flexibility and convenience to our valued clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty on the entire machine, complemented by an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive coverage provides unmatched protection and peace of mind, safeguarding your investment with top-tier assurance.
Q9. What about the maintenance?
A: To ensure peak performance and longevity, we advocate for initiating maintenance after the initial 500 hours of use. Thereafter, regular servicing every 2000-3000 hours is recommended, tailored to your specific working conditions. This routine maintenance is essential for sustaining optimal durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly engineered to thrive in high-temperature environments. They function smoothly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent performance even under the most demanding conditions. Your operations will remain resilient and efficient.
Q11. Do you offer OEM service?
A: Yes, we proudly offer both OEM and ODM services, supported by our talented 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 longevity, typically providing an extraordinary lifespan of over 10 years. This ensures reliable and enduring performance, consistently supporting your operations over the years. Invest in our compressors for long-term dependability.
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 ensures seamless operations and reduces downtime, enabling you to maintain optimal performance continuously.
Q14. How about your after-sales service?
A: We are wholeheartedly dedicated to delivering outstanding after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, alongside access to our expert engineers for training and installation assistance. Your satisfaction and success are our foremost priorities, ensuring you receive unparalleled support.
){kind=link}