Embark on a journey into the future of vacuum technology with the revolutionary stationary screw vacuum pumps crafted by Sanzhi (Henan) Compressor Co., Ltd.! These pumps epitomize the zenith of contemporary engineering, delivering superior high vacuum efficiency alongside unparalleled energy conservation. As an unmatched, cost-effective solution, they redefine excellence in the industry. Meticulously engineered with cutting-edge variable frequency technology, these pumps ensure outstanding performance across an array of demanding sectors, including foam production, ceramics, and brickworks. Showcasing groundbreaking innovations, they stand as the ultimate superior replacement for obsolete traditional water ring pumps. Dive into an unprecedented realm of innovation and experience a transformation that surpasses your wildest expectations with Sanzhi's pioneering vacuum technology!

Working Principle
Embark on an extraordinary journey into the heart of innovation with the Sanzhi 55KW 75HP Air Cooled VFD Oil Screw Vacuum Pump, a testament to cutting-edge engineering and unparalleled performance. This revolutionary system features a sophisticated pair of screws, expertly encased within a robust and resilient housing. These precision-engineered screws operate in perfect harmony, executing synchronized, high-speed reverse rotations that masterfully drive an exceptional suction and exhaust process. Every screw undergoes rigorous dynamic balance adjustments and is supported by high-precision bearings, ensuring flawless and efficient functionality. The carefully maintained spacing between the screws guarantees a frictionless, smooth, and whisper-quiet performance. Renowned for its outstanding ability to expel significant volumes of water vapor and gases with minimal dust particles, this vacuum pump emerges as an essential asset in environments where impeccable vacuum conditions are non-negotiable. Revel in its superior vacuum efficiency, substantially reduced energy consumption, and eco-conscious, energy-saving attributes. This low-maintenance powerhouse is tailor-made to excel across a diverse range of industries, including pharmaceuticals, chemicals, semiconductors, and food packaging, where achieving optimal vacuum conditions is a critical requirement.
Sanzhi (Henan) Compressor Co,. Ltd. |
Screw Vacuum Pump |
Model |
Power |
Pressure |
Volumetric Flow |
Voltage |
Frequency |
Rotation speed |
Weight |
Dimensions |
KW |
-Mpa |
m³/min |
V |
Hz |
r/min |
Kg |
L*W*H(mm) |
SZVP10 |
7.5 |
-0.05-0.098 |
10.0 |
380 |
50 |
3300 |
805 |
1500*880*1460 |
SZVP15 |
11 |
-0.05-0.098 |
12.5 |
380 |
50 |
3300 |
1040 |
1850*920*1490 |
SZVP20 |
15 |
-0.05-0.098 |
15.0 |
380 |
50 |
3300 |
1040 |
1850*920*1490 |
SZVP30 |
22 |
-0.05-0.098 |
22.0 |
380 |
50 |
3300 |
1280 |
2000*1000*1670 |
SZVP40 |
30 |
-0.05-0.098 |
27.0 |
380 |
50 |
3300 |
1280 |
2000*1000*1670 |
SZVP50 |
37 |
-0.05-0.098 |
30.0 |
380 |
50 |
3300 |
1910 |
2300*1120*1827 |
SZVP60 |
45 |
-0.05-0.098 |
45.0 |
380 |
50 |
3300 |
1910 |
2300*1120*1827 |
SZVP75 |
55 |
-0.05-0.098 |
62.0 |
380 |
50 |
3300 |
3500 |
2860*1650*2114 |
SZVP100 |
75 |
-0.05-0.098 |
75.0 |
380 |
50 |
3300 |
3500 |
2860*1650*2114 |
Due to product updates, the above parameters are subject to deviation in kind. |
Advanced High-Efficiency Permanent Magnet Motor
Experience the pinnacle of performance with our motor, featuring insulation grade F and protective grade IP55. This engineering marvel ensures seamless operation with a smooth start and stable flow rate. Marvel at the expansive constant torque range and the broader weak magnetic range that enhances efficiency by an astounding 20-30% compared to standard motors, setting a new standard for excellence.
State-of-the-Art Integrated Frequency Converter
Discover our premium frequency converter, crafted with China's top-tier frequency system, offering exceptional speed regulation and precision. This ensures unparalleled stability and quality, flawlessly delivering pressure transmitter signals with consistent accuracy and reliability in every operation.
Intelligent Smart Touch Controller
Our cutting-edge intelligent controller revolutionizes operational efficiency by drastically reducing manual intervention. The high-definition color electronic display provides crystal-clear graphical insights, timely maintenance updates, fault alerts, and safety shutdown notifications, enhancing the user experience with unmatched clarity and convenience.
Innovative Special Type Intake Valve
This groundbreaking valve ensures automatic control over its opening, optimizing engine fuel injection and lubricating oil circulation. It consistently delivers peak performance with unmatched precision and effortless control.
Achieve unprecedented efficiency with minimal oil circuit loss, elevating overall system performance to extraordinary levels, ensuring maximum effectiveness and reliability throughout its operation.
Our solenoid valve stays open under normal conditions, automatically closing during emergencies to prevent oil injection. This ensures optimal safety and efficiency, offering an uncompromised performance in all scenarios.
Efficient Cooling System
Engineered with an expansive heat exchange area, our cooling system expertly handles high temperatures, significantly minimizing the risk of oil emulsification and coking. This ensures your machinery remains impeccably protected, maintaining peak performance with ease.
Outstanding Air Filter
Our air filter sets a new standard in purification technology with advanced three-stage filtration. It maximizes air purity and compliance with stringent emission standards, effectively removing steam and dust. Experience an ultimate vacuum of up to 1 Pa for an immaculate air system.
Dependable Oil and Air Separator
With a vertical tangential cyclone separation structure, our design efficiently separates oil from air. This innovative approach simplifies cartridge replacement, vastly reducing maintenance costs while enhancing overall efficiency and reliability.
Premium High-Quality Soundproof Cotton
Encased in a compact noise reduction housing, our premium soundproof cotton dramatically enhances noise suppression, eliminating vibrations during operation, providing a serene and tranquil working environment perfect for productivity.
Robust Iron Oil Pipe & Air Pipe System
Designed for ultimate durability, our iron pipes withstand both extreme temperatures and high pressure. They are engineered to be entirely leak-free and maintenance-free, offering long-term reliability and uninterrupted peace of mind.
Sanzhi Screw Vacuum Pump Versus Water Ring Pump
Item |
Name |
Power |
Volumetric Flow |
Quantity |
Total Volumetric Flow |
Total Power |
Pressure |
Annual Electricity Consumption |
Energy Saving Rate |
Calculation Method |
Item |
Name |
Annual Electricity Consumption |
Energy Saving Rate |
Calculation Method |
Kw |
m³/min |
PCS |
m³/min |
Kw |
Mpa |
kW |
kW |
Old Equipment |
Water Ring Vacuum Pump |
18.5 |
10 |
2 |
20 |
37 |
-0.08 |
133200 |
60% |
Annual electricity consumption=Total Power*(10h/day*30days*12months) |
Old Equipment |
Water Ring Vacuum Pump |
133200 |
60% |
Annual electricity consumption=Total Power*(10h/day*30days*12months) |
New Equipment |
Sanzhi Screw Vacuum Pump |
7.5 |
10 |
2 |
20 |
15 |
-0.098 |
54000 |
New Equipment |
Sanzhi Screw Vacuum Pump |
54000 |
Advanced Multi-Stage Filtration System
Dive into unparalleled air purity with the Sanzhi 75HP Oil Screw Vacuum Pump. Featuring our state-of-the-art three-stage filtration system, it's a masterpiece of modern engineering. This innovative technology drastically minimizes air impurities, offering unmatched performance and ironclad reliability. Set a new standard in air purification excellence and elevate your operational experience to unprecedented levels.
Exceptional Energy Efficiency
Revolutionize your energy management strategy with Sanzhi's avant-garde technology. This transformative innovation slashes electricity consumption by an impressive 50-60% compared to conventional vacuum pumps. Enjoy significant cost savings and seamlessly transition into a future brimming with optimized energy efficiency, all thanks to this groundbreaking advancement.
Consistent Pressure Performance
Experience flawless vacuum pumping precision with our sophisticated constant speed pumping mechanism. This engineering marvel adeptly handles the challenges posed by fluctuating vacuum pressures, ensuring smooth and stable operation every time. Discover unparalleled reliability and performance, guaranteeing seamless and efficient operations.
Superior Vacuum Capability
Set your performance standards sky-high with the Sanzhi pump's remarkable vacuum degree of -0.098Mpa. Surpassing the industry benchmark of -0.07Mpa, it delivers operational excellence like no other. Redefine the boundaries of possibility in the vacuum pump industry as you embrace this pinnacle of performance.
User-Friendly Design
Discover the simplicity and convenience of our expertly designed product. The Sanzhi 75HP Oil Screw Vacuum Pump promises effortless installation, intuitive operation, and straightforward maintenance. It's the ultimate solution for those who value simplicity and user-centric experiences, making it the ideal choice for all your vacuum pump requirements.
1. Unbeatable Price Superiority
Experience unparalleled savings with our ex-factory pricing, offering you a remarkable competitive advantage and the ultimate in cost-efficiency.
2. Exclusive Direct Factory Offers
Procure direct from our manufacturing hub, ensuring the most cost-effective and market-ready solutions available in the industry.
3. Holistic OEM & ODM Solutions
With our state-of-the-art production and management expertise, we provide outstanding OEM/ODM solutions, crafted meticulously to meet your specific needs.
4. Expertise in Custom Personalization
Specializing in non-standard, export, and bespoke orders, we offer tailored options in voltage, power, and pressure. Connect with us today for your custom-engineered solution.
5. Adaptable Small Order Acceptance
Initiate a small-scale trial order to witness the superior quality of our products firsthand before deciding on a larger commitment.
6. Swift and Dependable Delivery
We promise rapid, reliable delivery of high-quality products directly to your location.
7. Comprehensive Distributor Authorization
We provide our distributors with full authorization certificates, empowering you to represent and elevate the prestigious SANZHI brand with confidence and pride.

ABOUT US
Welcome to the illustrious realm of Sanzhi (Henan) Compressor Co., Ltd., where excellence harmoniously blends with cutting-edge innovation in the dynamic domain of screw air compressors and screw vacuum pumps. Our impressive and meticulously curated selection showcases a dazzling spectrum of products. From the classic and low-pressure screw air compressors to the state-of-the-art permanent magnet frequency conversion models and robust two-stage compression units, our offerings are exemplary. We proudly provide specialized solutions such as laser-cutting screw air compressors and versatile mobile screw air compressors, available in both single and double-tank configurations. This remarkable range is further enhanced by our electric and diesel mobile screw air compressors, culminating in our premium screw vacuum pumps, crafted to meet every industrial need with unparalleled precision and superiority.
Situated in the vibrant and progressive Xinzheng City of Henan Province, China, our state-of-the-art manufacturing facility eagerly anticipates your visit. Conveniently positioned just 30 kilometers from Xinzheng International Airport, the journey to our factory is typically a swift hour-long drive. We warmly extend an invitation to you to experience our unmatched manufacturing capabilities firsthand, complemented by complimentary transportation to ensure your visit is seamless and enjoyable.
Application industry
Our trailblazing products exhibit exceptional versatility and reliability, serving a multitude of industries with marked distinction. From wood and ceramic processing to printing, plastics, and food packaging, our products are indispensable assets. They hold critical roles in semiconductor materials, pharmaceuticals, PET blowing, petrochemical, rubber, iron and steel, as well as mining and spraying industries, among others. Furthermore, they play a vital role in foam, brick, and electronic factories, marine exploration, hydroelectric power stations, shipping, and military applications, underscoring their essential importance across the industrial spectrum.
Successful cases
FAQ
Q1. Are you a trading company or manufacturer?
A: We proudly stand as a distinguished and highly professional manufacturer, specializing in the innovative creation of screw vacuum pumps, backed by over a decade of specialized expertise and pioneering innovation.
Q2. How do you control quality?
A: 1. We conduct rigorous inspections on all raw materials to ensure that only components of the highest quality are utilized in our production process.
2. The installation process is under stringent supervision and control, ensuring meticulous precision and unwavering reliability.
3. Every machine undergoes an exhaustive minimum of 5 hours of continuous testing, reflecting our steadfast commitment to excellence before it departs our facility.
Q3. What information must I provide to get a suitable machine?
1. Please specify the air delivery capacity you require (Unit: CFM or m³/Min).
2. Indicate the working pressure needed (Unit: PSI, Bar, or Mpa).
3. Provide the applicable voltage and frequency for your country of residence (V/Hz).
4. Inform us if additional accessories like an air tank, filters, or air dryers are required.
Once these details are provided, our team of experts will craft a tailored solution, meticulously designed to meet your precise requirements and specifications.
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 vacuum pump?
A: At Sanzhi, we craft our vacuum pumps with precision to cater to an expansive range of voltage requirements, available in options including 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our customization options are exhaustive, ensuring a tailored fit for your specific needs, allowing our products to integrate seamlessly into your operational framework.
Q6. How long is the delivery time?
A: Choosing our standard voltage configurations ensures rapid delivery; your order will be dispatched within an impressive timeframe of just 15 working days post-confirmation. For unique, non-standard configurations, our devoted sales team is prepared to provide you with precise, personalized timelines, ensuring a bespoke service that perfectly matches your needs.
Q7. What's the payment term?
A: Our payment terms are crafted with your convenience and adaptability in mind: initiate with a 30% T/T in advance, proceed with 40% T/T prior to shipment, and conclude with the final 30% T/T upon receipt of your B/L copy. To enhance your convenience, we accept payments in both USD and RMB, providing you with ultimate flexibility and ease.
Q8. How about your warranty?
A: We proudly offer an expansive warranty plan to assure you of our product quality: enjoy a comprehensive one-year full machine warranty, further supported by an additional two-year coverage specifically for our screw vacuum pump components, excluding consumable spare parts. This warranty reflects our unwavering commitment to quality and dependability.
Q9. What about the maintenance?
A: To ensure the long-lasting performance of your vacuum pump, we recommend an initial maintenance check after the first 500 hours of operation. Thereafter, to maintain optimal efficiency, regular maintenance every 2000-3000 hours is advised. This schedule is customized to align with your specific operating conditions, ensuring smooth and reliable operation throughout the product's lifecycle.
Q10. Can machines be run in high-temperature environments?
A: Absolutely! Our machines are meticulously engineered to deliver exceptional performance in high-temperature environments, operating efficiently within a robust temperature range of -20° to 45° (-4ºF to 113ºF). This feature guarantees consistent performance and steadfast reliability, even under the most challenging climate conditions.
Q11. Do you offer OEM service?
A: Yes, we do! Our creative and skilled design team is fully equipped to undertake both OEM and ODM orders. We are dedicated to providing custom solutions that perfectly match your unique specifications and preferences, ensuring superior satisfaction and excellence in every endeavor we undertake.
Q12. How long could your vacuum pump be used?
A: Our vacuum pumps epitomize high-level engineering, offering an impressive operational lifespan that transcends beyond a decade. This ensures enduring performance and dependability, providing you with a reliable product you can confidently rely on for many productive years.
Q13. Will you provide some spare parts for the machines?
A: Absolutely. We are dedicated to sustaining the optimal performance of your machines by readily supplying essential spare parts whenever necessary. This commitment ensures that your operations remain seamless and uninterrupted, providing you with continuous, efficient functionality.
Q14. How about your after-sales service?
A: Our after-sales service strategy is comprehensive and designed to ensure your satisfaction and operational success. We provide detailed online instructions for simple installation and commissioning, complemented by direct access to our engineers for personalized training and support. This thorough approach ensures smooth integration and optimal performance of your machinery.