Dive into the remarkable world of the Sanzhi 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor, a true marvel of modern engineering enhanced by the superior precision of German technology. Proudly brought to you by Sanzhi (Henan) Compressor Co., Ltd., a trailblazer in China's compressor landscape, this innovative breakthrough is designed to revolutionize and elevate your operational efficiency to unparalleled levels. Our cutting-edge Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor stands as an industry benchmark, merging exceptional performance with unrivaled cost-efficiency, setting new standards in factory pricing models. Revel in the engineering brilliance of advanced Centrifugal Fans, purposefully engineered to deliver significant energy savings and dramatically minimize your operational expenses. Engineered with meticulous attention to detail for seamless stationary applications, this formidable force effortlessly meets and surpasses the stringent demands of industrial environments, setting new benchmarks in performance, longevity, and dependability. Embrace the future of industrial compressors with a product that is not only designed to meet but to exceed your expectations, ensuring enhanced productivity and sustainability.
In-Depth Analysis: Embark on an exhilarating expedition into the captivating intricacies of the internal structure - Frontside. Uncover the extraordinary engineering feats that are the backbone of our advanced systems, exemplifying unparalleled innovation, precision, and sophistication.
Revolutionary Working Principle: Heralding a new dawn in air compression technology, this groundbreaking principle is poised to revolutionize industry standards and propel performance benchmarks to extraordinary new heights.
At the forefront of air compression innovation, supreme efficiency is achieved through the delicate equilibrium between single-stage and multi-stage systems. While ideal conditions suggest equal energy consumption, real-world applications often demand additional power to overcome transmission losses, bearing friction, and cooling effects. By meticulously optimizing the compression ratio at each stage, multi-stage systems deliver unparalleled efficiency, dramatically decreasing power consumption compared to single-stage models. This refined approach not only enhances overall system performance but also significantly reduces excessive energy demands, establishing an unprecedented benchmark in power optimization.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor from Sanzhi (Henan) Compressor Co., Ltd. This technological masterpiece is crafted with an advanced dual rotary screw design, where each stage features an active screw driving a passive screw through a meticulously engineered external power transfer system. The process begins with a low-pressure screw assembly, optimized for maximum output, followed by a high-pressure screw assembly in the subsequent stage. Central to this innovative process are sealing air films surrounding each screw, guiding the compression through three critical phases: seamless air intake, dynamic pressurization that elevates efficiency to unprecedented levels, and a precision-driven exhaust phase, completing the cycle with mastery and finesse.
First Stage Compression: The initial phase of the two-stage screw air compressor epitomizes engineering genius. A sophisticated low-pressure screw assembly initiates the process, channeling gas into the compression chamber through a precisely crafted suction valve. As the rotor spins at remarkable speeds, the gas undergoes initial compression, setting the stage for enhanced compression in the next phase, thereby priming the system for exceptional performance.
Second Stage Compression: As the gas transitions into the second stage, it enters a uniquely engineered, more confined screw space, where both pressure and temperature are meticulously elevated to unprecedented heights. This process reaches its zenith as the exhaust valve opens, allowing high-pressure gases to exit the system, completing an intricate compression cycle marked by unmatched efficiency and technical sophistication.
The sophisticated air compression journey begins as ambient air effortlessly passes through the air filter, merging with lubricating oil within the compression chamber. This mixture undergoes initial compression to intermediate pressure, followed by substantial cooling via interaction with oil mist in the cooling channel. The cooled gas then advances 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 conclusion of an exceptionally comprehensive and efficient air compression process with precision and elegance.
| 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, an illustrious offering from Sanzhi (Henan) Compressor Co., Ltd., represent the zenith of engineering excellence. By leveraging water's unparalleled cooling prowess, these compressors bestow exceptional lubrication and prolong the lifespan of components susceptible to friction. This avant-garde technology meticulously purges internal mechanisms and adeptly disperses heat from the cylinder and compressed gas, culminating in markedly lower exhaust temperatures and diminished power consumption. These advantages culminate in substantial operational cost savings. It is imperative to vigilantly monitor and proactively manage potential scaling within the cooling system to uphold optimal performance and unwavering reliability.
1) High efficiency of PM motor:Our cutting-edge permanent magnet (PM) motor is meticulously engineered to deliver outstanding constant torque and an expansive weak magnetic range, achieving a remarkable 20-30% enhancement in efficiency over traditional motors. Even at frequencies surpassing the rated threshold, the PM motor sustains its extraordinary efficiency, ensuring peak performance across a spectrum of operating conditions.
2) Motor maintenance-free:With ingenious engineering, the permanent magnet motor flaunts a bearing-free design, obliterating traditional costs linked to motor bearing maintenance and replacement. This revolutionary design significantly slashes overall maintenance expenditures.
3) Integrated frequency converter: Equipped with China's premier frequency system, our compressor delivers extensive speed regulation with unparalleled precision. This dynamic system seamlessly adjusts to real-time gas demands, ensuring maximum energy conservation and operational efficacy.
4) No transmission loss: Featuring a revolutionary direct shaft connection design, our compressor embodies an advanced permanent magnet motor, contributing to a compact and streamlined form. This innovative design negates the need for couplings and other transmission elements, attaining impeccable 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design minimizes impact on power grid equipment, shielding electrical systems from potential harm and significantly extending the overall system lifespan.
6) Reduced energy consumption: Boasting a remarkable frequency conversion range from 25% to 100%, surpassing the standard 50% to 100%, our system offers over 30% energy savings compared to fixed-speed compressors and approximately 5% more than standard variable frequency compressors. This provides substantial benefits for systems with variable gas consumption needs.
7) Unique two-stage compression air end:Our expertly engineered two-stage compression screw machine elegantly integrates first and second-stage compression rotors within a single housing. Each rotor operates with individual gears, ensuring optimal linear speed and peerless compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method delivers exceptional cooling effects, drastically lowering compressed air temperatures. This process yields nearly isothermal compression, reduced pressure loss between stages, a diminished compression ratio, and elevated overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system significantly reduces the compression ratio for each stage, thereby curtailing internal leakage between high and low-pressure ends and enhancing volumetric efficiency.
10) Noise reduction:With a diminished compression ratio in the two-stage system, noise levels notably decline, especially during unloading operations, fostering a quieter and more tranquil working environment.
11) Easy maintenance and service:Despite the intricate two-stage compression design, other components and structures remain akin to single-stage compressors, ensuring easy 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 removed, offering a comprehensive 270-degree access that significantly facilitates maintenance personnel's tasks and augments service efficiency.
1. Unbeatable Pricing Edge
Step into a realm of unparalleled market supremacy with our irresistibly enticing ex-factory pricing. This formidable strategic advantage empowers our esteemed clients to consistently outshine their rivals and flourish triumphantly in their respective domains.
2. Seamless Direct Transactions
Experience the pinnacle of efficiency with products dispatched directly from our cutting-edge manufacturing facility. Our cost-effective solutions are meticulously tailored to your precise specifications, ensuring unmatched precision and satisfaction at every turn.
3. Extensive OEM & ODM Solutions
Harness our robust production capabilities and expert management to access exceptional OEM/ODM services. These solutions are custom-crafted to align impeccably with your specific requirements and overarching business objectives.
4. Tailored Customization Service
We excel in addressing non-standard export orders by offering customization in critical parameters like voltage, power, and pressure. Reach out to explore bespoke solutions meticulously designed to cater exclusively to your unique needs.
5. Acceptance of Small Orders
Kickstart your experience with a small trial order to witness firsthand the exceptional quality and performance that our products consistently deliver. Ensuring your satisfaction is our ultimate priority.
6. Swift Delivery
Reap the rewards of our expedited delivery services, guaranteeing your operations remain seamless and uninterrupted, with timelines consistently met through our superior product offerings.
7. Complete Authorization
Elevate your business with our comprehensive authorization certificates. Our esteemed distributors can confidently champion the prestigious SANZHI brand products with pride and absolute assurance.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd. stands as a groundbreaking innovator in the realm of air compression, flaunting over ten years of unmatched experience. Our command of technological breakthroughs is evident in our premium array of state-of-the-art products, including top-tier screw air compressors and pioneering screw vacuum pumps. Our broad product spectrum encompasses both standard and low-pressure screw air compressors, cutting-edge permanent magnet frequency conversion models, and robust two-stage compression units. Meticulously crafted, our screw air compressors set new industry benchmarks, catering to laser cutting, versatile single-tank and double-tank mobile applications, as well as both electric and diesel mobile configurations. Moreover, our cutting-edge screw vacuum pumps are crafted for supreme precision and reliability, affirming our prestigious position as leaders in the field.
Furnished with cutting-edge assembly lines, our manufacturing mastery is unparalleled both in efficiency and capability. Bolstered by a dedicated team of over 50 skilled professionals, we continuously refine our management systems, such as ERP, to drastically cut lead times and ensure the rapid delivery of our top-notch products.
Our steadfast commitment to excellence in management is highlighted by our esteemed ISO9001 quality management system certification. Adhering to stringent quality benchmarks through meticulous control measures, each machine is subjected to an exhaustive inspection process, encompassing material appraisals, production evaluations, and meticulous pre-delivery checks, ensuring that only the finest machinery reaches our esteemed clients.
Our relentless quest for outstanding customer service commences with expert pre-sales consultations, assisting clients in selecting the perfect air equipment tailored to their distinct requirements. Our unparalleled customization capabilities enable us to modify both the appearance and configuration to suit individual preferences, offering OEM services to fulfill specific dealer demands. Our dedicated sales and service team ensures prompt and efficient responses, providing seamless and effective after-sales support.
At Sanzhi (Henan) Compressor Co., Ltd., our mission is unwavering: to deliver exceptional and trustworthy products while nurturing enduring customer relationships. By merging quick delivery with superior product quality and competitive pricing, we emerge as your dependable partner for comprehensive compressed air solutions.
Strategically located in Xinzheng City, Henan Province, China, our factory offers unmatched convenience for clients. We provide complimentary transportation from Xinzheng International Airport, a mere 30 kilometers away, just an effortless hour's drive. We warmly welcome you to visit our distinguished facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a seasoned manufacturer endowed with specialized expertise in screw air compressors, supported by over a decade of industry excellence.
Q2. How do you control quality?
A: 1. We perform stringent inspections on all raw materials to guarantee superior quality.
2. Our precise assembly procedures maintain unmatched excellence.
3. Each machine is subjected to a rigorous minimum of five consecutive hours of testing before dispatch to ensure 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).
Supply these details, and we will create a custom-crafted 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 air compressor?
A: At Sanzhi (Henan) Compressor Co., Ltd., we take immense pride in offering a splendid array of voltage options, each meticulously crafted to cater to the diverse demands of various regions. Delve into our adaptable configurations: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our unwavering commitment to delivering personalized solutions shines through our exceptional customization services, ensuring our products are perfectly aligned with your operational needs. This dedication guarantees unparalleled flexibility and efficiency, empowering your business with peak performance and unwavering reliability.
Q6. How long is the delivery time?
A: With our standard voltage specifications, we excel in processing orders with remarkable speed, completing them within an impressive 15 working days following confirmation. For customized orders, our proactive sales team collaborates seamlessly with you to craft a timeline that perfectly aligns with your requirements, ensuring smooth and punctual delivery. Our meticulous approach guarantees your utmost satisfaction and unwavering trust.
Q7. What's the payment term?
A: We have streamlined our payment terms for your convenience. An initial 30% T/T payment is required to initiate production, followed by a 40% T/T before shipment, and 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 esteemed clientele.
Q8. How about your warranty?
A: Our comprehensive warranty package offers a full one-year warranty on the entire machine, along with an additional two-year warranty for the screw air compressor, excluding consumable parts. This extensive protection provides unmatched security and peace of mind, safeguarding your investment with top-tier assurance.
Q9. What about the maintenance?
A: Ensuring peak performance and durability, we recommend initial maintenance after 500 hours of operation. Subsequently, regular servicing every 2000-3000 hours is advisable, tailored to your specific working conditions. Such routine maintenance is crucial for preserving optimal durability and reliability over time.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are engineered to thrive in high-temperature environments. They operate effortlessly within a temperature spectrum of -20°C to 45°C (-4°F to 113°F), ensuring reliable performance even in the most challenging conditions. Your operations will remain steadfast and efficient.
Q11. Do you offer OEM service?
A: Indeed, 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 designed for longevity, typically providing an extraordinary lifespan exceeding 10 years. This guarantees reliable and enduring performance, consistently supporting your operations. Invest in our compressors for long-term dependability and peace of mind.
Q13. Will you provide some spare parts for the machines?
A: Certainly, we are devoted to providing continuous support by supplying essential spare parts for your machines. This ensures seamless operations, enabling you to maintain optimal performance and effectively minimize downtime.
Q14. How about your after-sales service?
A: We are dedicated to delivering exceptional after-sales service. Our comprehensive offerings include detailed online guides for installation and commissioning, coupled with access to our expert engineers for training and installation assistance. Your satisfaction and success are our utmost priorities, ensuring you receive unparalleled support and guidance.
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