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2BV Series Water Ring Vacuum Pump
2BV Series Water Ring Vacuum Pump
2BE Series Water Ring Vacuum Pump
2BE Series Water Ring Vacuum Pump
2BW Water Ring Vacuum Pump Closed-Loop Unit
2BW Water Ring Vacuum Pump Closed-Loop Unit
FORYOU Air-Cooled Self-Circulating Water-Ring Vacuum Pump Unit
FORYOU Air-Cooled Self-Circulating Water-Ring Vacuum Pump Unit
High-Speed roots Vacuum Pump Operation
High-Speed roots Vacuum Pump Operation
FORYOU Air-Cooled roots Vacuum Pump
FORYOU Air-Cooled roots Vacuum Pump
Industrial Screw Vacuum Pump Unit
Industrial Screw Vacuum Pump Unit
Roots water ring vacuum unit
Roots water ring vacuum unit
Dry Screw Vacuum Pump 
Dry Screw Vacuum Pump 
Industrial Vacuum Pumping Solutions & Systems
Industrial Vacuum Pumping Solutions & Systems
Screw Vacuum Pump Unit (2).jpg
Screw Vacuum Pump Unit (1).JPG

Industrial Screw Vacuum Pump Unit from China Suppliers and Factory for Enhanced Vacuum Performance

The Screw vacuum pump unit features a reliable Rotating vane pump as its primary pump, complemented by an LGB oil-free vane pump serving as the pre-stage pump. This innovative design ensures that the vane pump efficiently creates the necessary pre-vacuum for the Rotating vane pump, which acts as a booster pump. Notably, for each additional stage of the Rotating vane pump added in series, the ultimate vacuum capacity of the entire system can increase by an entire order of magnitude. As a leading manufacturer and supplier in China, our factory is committed to providing high-quality vacuum solutions tailored to meet diverse industrial needs
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    Product Characteristics

    01

    High vacuum

    Ultimate vacuum ≤ 1Pa

    02

    High pumping speed

    Pumping capacity 70L/S - 20000L/S

    03

    Energy saving

    Motor power 5.5KW - 180KW

    04

    Independently manufactured

    Independently manufactured, with over 40 vacuum-related patents, rated as a national high-tech enterprise and a science and technology enterprise, has passed ISO9001 quality management system certification

    Product Parameters

    Product Details

    Limiting Pressure: ≤1 Pa & ≤0.1 Pa
    Vacuum Extraction Rate: 70 – 2500 L/S
    Standard Recommended Series
    Product Specifications Table
    Unit Model Limiting Pressure (Pa) Vacuum Extraction Rate (L/S) Main Pump Middle Pump Pre-stage Pump Total Motor Power (KW)
    JZJLG70-1 ≤1 Pa 70 ZJP70 - - LGB50 7
    JZJLG150-2 150 ZJP150 - - LGB80 10.5
    JZJLG150-1 150 ZJP150 - - LGB120 14
    JZJLG300-1 300 ZJP300 - - LGB200 22.5
    JZJLG300-2A 300 ZJP300 - - LGB150 19
    JZJLG300-2B 300 ZJP300 - - LGB120 15
    JZJLG600-2 600 ZJP600 - - LGB200 26
    JZJLG150-2.1 ≤0.1 Pa 150 ZJP150 ZJP70 LGB50 10
    JZJLG300-2.1 300 ZJP300 ZJP150 LGB120 18
    JZJLG600-2.2 600 ZJP600 ZJP300 LGB150 26.5
    JZJLG1200-2.2 1200 ZJ1200 ZJP600 LGB200 37
    JZJLG2500-4.2 2500 ZJ2500 ZJP600 LGB200 48
    ⓘ Explanation

    The table represents the recommended standard series. Due to the varying working conditions in actual production applications, the intake gas and pressure will undergo many changes. Therefore, during the selection process, calculations should be conducted based on the actual vacuuming process, gas release process, condensation of non-condensable gases, changes in intake pressure over time, etc., or the selection should be made by referring to the usage conditions of existing equipment.

    Frequently Asked Questions
    What does the limiting pressure of ≤1 Pa and ≤0.1 Pa mean?
    The limiting pressure refers to the lowest pressure the vacuum unit can achieve under ideal conditions. Models with ≤1 Pa are suitable for general high-vacuum applications, while models with ≤0.1 Pa are designed for ultra-high vacuum environments requiring more precise vacuum levels. The ≤0.1 Pa units typically include an additional middle pump stage to achieve deeper vacuum.
    How do I select the right vacuum unit model for my application?
    Selection should be based on your actual process requirements, including the required vacuum extraction rate (L/S), the target limiting pressure (Pa), the nature of the intake gas, gas release characteristics, and changes in intake pressure over time. It is also recommended to refer to the operating conditions of existing equipment with similar applications or consult with our technical team for a customized recommendation.
    What is the role of the main pump, middle pump, and pre-stage pump?
    The main pump (e.g., ZJP or ZJ series) is the primary vacuum pump responsible for the bulk of gas removal. The middle pump acts as an intermediate booster, helping to bridge the pressure range between the main pump and the pre-stage pump — this stage is only used in ultra-high vacuum units (≤0.1 Pa). The pre-stage pump (LGB series) serves as the backing pump, maintaining the outlet pressure required for the upstream pumps to operate efficiently.
    What is the total motor power range for these vacuum units?
    The total motor power across the standard series ranges from 7 KW (JZJLG70-1) to 48 KW (JZJLG2500-4.2). Selecting a unit with appropriate motor power is important for energy efficiency and operational cost management. Larger extraction rates and deeper vacuum levels generally require higher total motor power.
    Can these vacuum units handle condensable gases or special gas compositions?
    The standard series is designed primarily for non-condensable gas environments. If your process involves condensable gases or mixed gas compositions, the selection process must account for condensation effects, gas release rates, and variations in intake pressure. In such cases, it is strongly recommended to perform detailed process calculations or consult with our engineering team to ensure the selected unit meets your specific requirements.
    Are custom vacuum unit configurations available beyond the standard series?
    Yes. While the table lists the recommended standard series configurations, custom vacuum unit solutions can be designed to meet specific industrial requirements. Factors such as non-standard extraction rates, unique pressure targets, special gas handling, or site-specific installation constraints can all be accommodated. Please contact our technical team with your process parameters for a tailored solution.

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