Step into a world of extraordinary innovation with the Sanzhi 250KW Energy-Efficient Water-Cooling Two-Stage Screw Air Compressor, a masterpiece reflecting the pinnacle of German engineering expertise. As a pioneering force in China's compressor industry, Sanzhi (Henan) Compressor Co., Ltd. proudly unveils this revolutionary creation. Transform your operational capabilities with our state-of-the-art Permanent Magnet Variable Frequency Two-Stage Screw Air Compressor, acclaimed for setting unprecedented factory pricing benchmarks. This engineering marvel, featuring advanced Centrifugal Fans, guarantees unrivaled energy efficiency and remarkable cost savings, fundamentally transforming your operational economics. Crafted with meticulous precision for stationary applications, this formidable powerhouse flawlessly meets the stringent demands of industrial settings, setting new benchmarks in both performance and dependability. Embrace an era of industrial excellence where your operations soar to extraordinary heights. The Sanzhi 250KW Compressor is ingeniously designed to offer unparalleled energy efficiency, significant cost reductions, and extraordinary reliability. Elevate your operational prowess with a design that seamlessly blends advanced technology with German engineering brilliance. Uncover the future of industrial performance with a product that not only meets but consistently surpasses the expectations of industrial excellence, establishing a new paradigm for distinction in the sector.
In-Depth Analysis: Delve deep into the sophisticated heart of this exquisite system, focusing on the Frontside. Experience the flawless integration of its components, meticulously orchestrated to deliver astounding performance and steadfast reliability.
Revolutionary Working Principle: Embrace a new era in air compression where cutting-edge innovation harmonizes with exceptional efficiency, setting new industry benchmarks with a commitment to sustainability and unmatched performance.
Leading the charge in air compression technology, our system epitomizes peak efficiency through the seamless integration of single-stage and multi-stage designs. While theoretical energy demands are similar, real-world inefficiencies such as transmission power losses, bearing friction, and cooling dynamics typically elevate energy usage. Our multi-stage systems expertly minimize the compression ratio at each stage, achieving outstanding efficiency and greatly reducing energy consumption compared to single-stage models. This sophisticated strategy not only enhances system performance but also substantially decreases energy overuse, establishing a revolutionary standard in power efficiency.
Introducing the groundbreaking 250kw Energy-Efficient Water Cooling Two-Stage Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. This technological marvel boasts an advanced dual rotary screw mechanism. Each stage features an active screw driving a passive one through a masterfully designed external power transfer system. The initial stage comprises a low-pressure screw assembly optimized for peak performance, while the subsequent stage contains a high-pressure screw assembly. At the core of this intricate process are sealing air films enveloping each screw, guiding compression through three pivotal phases: effortless air intake, dynamic pressurization elevating efficiency to new heights, and the final exhaust phase, culminating the cycle with unmatched precision and excellence.
First Stage Compression: The initial phase of the two-stage screw air compressor exemplifies engineering prowess. A precisely engineered low-pressure screw assembly initiates the process, channeling gas into the compression chamber via a finely tuned suction valve. As the rotor spins at impressive speeds, the gas undergoes an initial compression, setting the foundation for enhanced compression in the subsequent phase, paving the way for outstanding performance.
Second Stage Compression: As the gas progresses into the second stage, it enters an intricately crafted, more confined screw space where both pressure and temperature are methodically elevated. The process reaches its zenith when the exhaust valve opens, allowing high-pressure gases to effortlessly exit the system, completing a complex compression cycle characterized by unparalleled 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 substantial 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 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. |
The water-cooled compressors from Sanzhi (Henan) Compressor Co., Ltd. stand as a pinnacle of contemporary innovation and meticulous craftsmanship. These engineering marvels harness the unparalleled cooling capacity of water to deliver outstanding lubrication and prolong the durability of friction-prone components. The expertly designed circulating cooling water system not only cleanses internal parts with precision but also efficiently dissipates excessive heat from both the cylinder and the compressed gas. This advanced mechanism not only drastically reduces exhaust temperatures and trims power consumption but also leads to remarkable operational cost savings. To maintain peak performance, it is crucial to diligently monitor and manage any potential scaling issues within the cooling system without delay.
1) High efficiency of PM motor:Our state-of-the-art permanent magnet (PM) motor is an engineering triumph, offering exceptional consistent torque throughout an extensive weak magnetic spectrum. This motor achieves an astonishing 20-30% higher efficiency than traditional motors. Even when operating at frequencies beyond rated levels, the PM motor sustains its exceptional efficiency, ensuring optimal performance across all conditions.
2) Motor maintenance-free:The groundbreaking permanent magnet motor showcases a novel bearing-free design, eliminating the usual expenses tied to motor bearing upkeep and replacement. This innovative design significantly cuts down on overall maintenance costs, promising a smooth, hassle-free experience.
3) Integrated frequency converter: Armed with China's premier frequency system, our compressor provides an extensive range of speed regulation with unparalleled precision. The system dynamically adjusts in real-time to satisfy gas demands, ensuring peak energy efficiency and unmatched operational performance.
4) No transmission loss: Boasting a direct shaft connection design, the compressor seamlessly incorporates an embedded permanent magnet motor for a sleek, streamlined architecture. This intelligent design does away with the need for couplings and other transmission elements, achieving flawless 100% transmission efficiency.
5) Variable frequency start and soft start:Our cutting-edge motor design is crafted to diminish impact on power grid equipment, robustly safeguarding electrical systems from potential harm and significantly prolonging the lifespan of the entire system.
6) Reduced energy consumption: Boasting an exceptional frequency conversion range of 25% to 100% (as compared to the standard 50% to 100%), our system delivers over 30% energy savings relative to fixed-speed compressors and offers approximately 5% additional savings over typical variable frequency compressors, yielding substantial advantages for systems with variable gas consumption demands.
7) Unique two-stage compression air end:The two-stage compression screw machine is a marvel of engineering, skillfully integrating first and second-stage compression rotors within a singular casing. Each rotor is driven by distinct gears to ensure optimal linear speed and unmatched compression efficiency.
8) Internal spray curtain cooling method: Our highly efficient internal spray curtain cooling method provides extraordinary cooling effects, significantly reducing the temperature of the compressed air. This results in nearly isothermal compression, diminished pressure loss between stages, and a reduced compression ratio, significantly enhancing overall compression efficiency.
9) Reduced internal leakage:The two-stage compression system substantially reduces the compression ratio for each stage, effectively minimizing internal leakage between high and low-pressure ends, thereby enhancing volumetric efficiency.
10) Noise reduction:The lowered compression ratio characteristic of the two-stage system significantly decreases noise levels, particularly during unloading operations, providing a quieter, more serene working environment.
11) Easy maintenance and service:Despite the sophisticated design of the two-stage compression system, the remaining components and structures are akin to those of 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 Redefined
Revolutionize your market influence with our astonishingly competitive ex-factory pricing. This singular advantage empowers our clients to not only outperform competitors but also carve out a significant position in their industry landscapes, leaving an indelible impact.
2. Seamless Direct Transactions: Efficiency at Its Best
Experience unparalleled efficiency and direct dealings as our products are dispatched directly from our cutting-edge manufacturing facility. Our economically astute solutions are intricately engineered to align with your specifications, ensuring precision and ultimate satisfaction at every juncture.
3. Extensive OEM & ODM Solutions: Tailored for Excellence
Harness our extensive production expertise and adept management to deliver outstanding OEM/ODM services. These solutions are devised to integrate seamlessly with your exact needs and strategic business objectives, ensuring your vision is executed with precision and excellence.
4. Tailored Customization Service: Unique to Your Needs, Unmatched Flexibility
Specializing in non-standard export orders, we offer bespoke customization across parameters like voltage, power, and pressure. Reach out to us for personalized solutions crafted to precisely meet your distinct requirements, ensuring tailor-made precision.
5. Acceptance of Small Orders: Discover Our Quality at Your Pace
Initiate with a small trial order to experience the exceptional quality and reliable performance our products guarantee. Your satisfaction is our ultimate pledge, and we are dedicated to exceeding your expectations.
6. Swift Delivery: Keep Operations Uninterrupted with Ease
Benefit from our rapid delivery services, meticulously crafted to maintain seamless and uninterrupted operations. With our premium products, your schedules are prioritized and consistently adhered to with precision.
7. Complete Authorization: Empower Your Enterprise, Elevate Your Potential
Fortify your enterprise with our comprehensive authorization certificates. Our esteemed distributors are fully equipped and empowered to market the prestigious SANZHI brand products with unwavering confidence and pride.
Successful Cases
Sanzhi (Henan) Compressor Co., Ltd is a beacon in the realm of air compression technology, showcasing over a decade of unparalleled expertise. As leaders in innovation, we offer an impressive lineup of cutting-edge products that include state-of-the-art screw air compressors and revolutionary screw vacuum pumps. Our extensive range is not confined to conventional models; we introduce avant-garde low-pressure screw air compressors, pioneering permanent magnet frequency conversion units, and robust two-stage compression systems. Our screw air compressors are crafted to redefine industry standards, specifically engineered for laser cutting, adaptable for both single and dual-tank mobile usage, and versatile for electric and diesel mobile applications. Our groundbreaking screw vacuum pumps embody precision and reliability, reinforcing our pioneering position in the industry.
Our manufacturing excellence is driven by cutting-edge assembly lines, ensuring unprecedented efficiency and effectiveness. Supported by a dedicated team of over 50 proficient professionals, we consistently refine our management systems, such as ERP, which significantly reduces lead times and guarantees the swift delivery of our premium products.
Our steadfast commitment to outstanding management is exemplified by our esteemed ISO9001 quality management system certification. By adhering to stringent quality standards and implementing rigorous control measures, every machine undergoes thorough inspections, including material evaluations, production assessments, and meticulous pre-delivery checks. This rigorous process ensures that only top-tier machines reach our valued customers.
Our commitment to superior customer service begins with expert pre-sales consultations, assisting clients in selecting the perfect air equipment tailored to their distinct requirements. Our unmatched customization capabilities allow us to personalize both appearance and configuration to meet individual preferences and offer OEM services for specific dealer needs. Our dedicated sales and service team ensures prompt, effective responses and seamless, efficient post-sales support.
At Sanzhi (Henan) Compressor Co., Ltd, our unwavering mission is to provide superior, reliable products while cultivating lasting customer relationships. By combining rapid delivery with outstanding product quality and competitive pricing, we position ourselves as your trusted partner for comprehensive compressed air solutions.
Nestled in Xinzheng City, Henan Province, China, our facility offers exceptional accessibility for our clients. We provide complimentary transportation from Xinzheng International Airport, conveniently located just 30 kilometers away, a mere hour's drive. We warmly invite you to visit our esteemed facility.
FAQ
Q1. Are you a trading company or manufacturer?
A: We are an experienced manufacturer specializing in screw air compressors, with over a decade of proven industry expertise.
Q2. How do you control quality?
A: 1. We conduct meticulous inspections of all raw materials to ensure they meet our exceptional quality standards.
2. Our assembly procedures are executed with precision to uphold unparalleled excellence.
3. Every 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 proudly unveil an exquisite selection of voltage options, each meticulously crafted to meet the distinct needs of various global markets with precision and finesse. Our versatile configurations include: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. With a steadfast commitment to delivering tailor-made solutions through our unparalleled customization services, we ensure our products seamlessly harmonize with your operational landscape. This unwavering dedication results in unparalleled adaptability and efficiency, empowering your business with ultimate performance and reliability.
Q6. How long is the delivery time?
A: With standard voltage specifications, we pride ourselves on our rapid order processing capabilities, achieving completion within an impressive 15 working days from order confirmation. For custom orders, our proactive sales team collaborates closely with you, crafting a timeline that aligns flawlessly with your unique needs, ensuring a seamless and timely delivery process. Our meticulous attention to detail ensures your utmost satisfaction.
Q7. What's the payment term?
A: Our payment terms are strategically designed to provide simplicity and convenience. We commence production with a 30% T/T upfront payment, progress with a 40% T/T prior to shipment, and conclude with the final 30% T/T payment upon receipt of the B/L copy. We facilitate transactions in both USD and RMB currencies, offering flexibility and ease for our esteemed clients.
Q8. How about your warranty?
A: We offer a comprehensive one-year warranty on the entire machine, enhanced 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 ensure optimal performance and longevity, we recommend the initiation of maintenance after the initial 500 hours of use. Subsequently, regular servicing every 2000-3000 hours is advised, tailored to your specific working conditions. This routine maintenance is crucial for sustaining peak durability and reliability.
Q10. Can machines be run in high-temperature environment?
A: Absolutely, our robust machines are expertly engineered to excel in high-temperature environments. They operate effortlessly within a temperature range of -20°C to 45°C (-4°F to 113°F), ensuring consistent functionality even under the most challenging 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 skilled design team. We warmly welcome custom orders and are committed to realizing your unique ideas with precision and excellence. Partner with us for unrivaled customization.
Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for longevity, typically providing an exceptional lifespan exceeding 10 years. This guarantees reliable and enduring performance, consistently supporting your operations long-term. Invest in our compressors for lasting 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 minimizes downtime, enabling you to maintain optimal performance consistently.
Q14. How about your after-sales service?
A: We are wholeheartedly dedicated 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.
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