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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
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Screw Water Ring Vacuum Pump Unit (1).JPG
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China Screw Water Ring Vacuum Pump Unit - Top Suppliers and Factory for High-Performance Vacuum Solutions

The Screw Water Ring Vacuum Pump Unit is a highly efficient vacuum solution designed for various industrial applications. This unit features a primary Screw pump, complemented by 2BV or 2BE water ring pumps serving as pre-stage pumps. The water ring pump is essential for creating the requisite pre-vacuum needed for optimal Screw pump performance. The Screw pump acts as a booster pump, significantly enhancing vacuum capability. Notably, for every additional Screw pump integrated into the system, the ultimate vacuum level can be improved by one order of magnitude. As a leading supplier from China, our factory guarantees top-quality performance and reliability in our vacuum pump units, making them an ideal choice for your operational needs
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    Product Characteristics

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    Product Parameters

    Product Details

    Unit model

    Pump model

    Draw rate

    L/S

    Absolute vacuum

    Pa

    Total power

    KW

    Main pump

    Pre-stage pump

    JZJ2B30-1

    ZJP30

    2BV5110

    30

    267

    5.5

    JZJ2B70-1

    ZJP70

    2BV5111

    70

    7

    JZJ2B150-1

    ZJP150

    2BV5131

    150

    14

    JZJ2B300-2

    ZJP300

    2BV5161

    300

    19

    JZJ2B300-1

    ZJP300

    2BE1 202

    300

    26

    JZJ2B600-2

    ZJP600

    2BE1 203

    600

    44.5

    JZJ2B600-1

    ZJP600

    2BE1 252

    600

    52.5

    JZJ2B70-2.1

    ZJP70

    ZJP30/2BV5110

    70

    25

    7

    JZJ2B150-2.1

    ZJP150

    ZJP70/2BV5111

    150

    10

    JZJ2B300-2.1

    ZJP300

    ZJP150/2BV5131

    300

    18

    JZJ2B600-2.2

    ZJP600

    ZPJ300/2BV5161

    600

    26.5

    JZJ2B1200-2.2

    ZJ1200

    ZJP600/2BE1203

    1200

    55.5

    JZJ2B1200-2.1

    ZJ1200

    ZJP600/2BE1252

    1200

    63.5

    JZJ2B2500-2.1

    ZJ2500

    ZJ1200/2BE1303

    2500

    133

    JZJ2B5000-4.1

    ZJ5000

    ZJ1200/2BE1303

    5000

    176

    JZJ2B70-2.1.1

    ZJP70

    ZJP30/ZJP30/2BV5110

    70

    0.5

    8.5

    JZJ2B150-2.2.1

    ZJP150

    ZJP70/ZJP30/2BV5110

    150

    10

    JZJ2B300-2.2.1

    ZJP300

    ZJP150/ZJP70/2BV5111

    300

    14

    JZJ2B600-2.2.1

    ZJP600

    ZJP300/ZJP150/2BV5131

    600

    23.5

    JZJ2B1200-2.2.2

    ZJ1200

    ZJP600/ZJP300/2BV5161

    1200

    37.5

    JZJ2B1200-2.2.1

    ZJ1200

    ZJP600/ZJP300/2BE1202

    1200

    51.5

    JZJ2B2500-2.2.1

    ZJ2500

    ZJ1200/ZJP600/2BE1252

    2500

    85.5

    JZJ2B2500-4.2.1

    ZJ2500

    ZJP600/ZJP300/2BE1202

    2500

    55.5

    JZJ2B5000-4.2.1

    ZJ5000

    ZJ1200/ZJP600/2BE1252

    5000

    118.5
    ⓘ Important Notes & Explanations
    • 1 The series in the table represents the recommended standards. Due to the varying working conditions in actual production applications, the gas intake and pressure will undergo many changes. Therefore, during the selection process, calculations or reference to the usage of existing equipment should be conducted based on the actual vacuum extraction process, gas release process, condensation of non-volatile gases, time variations of the intake pressure, etc.
    • 2 The technical indicators of the single pump are detailed in the respective pump parameter tables.
    • 3 The maximum intake pressure refers to the highest pressure that the main pump can start at. If it operates for a long time at a pressure higher than this, it will cause the main pump to overload.
    • 4 If the vacuum pump motor, electrical contact vacuum gauge/pressure transmitter, and electrical control cabinet need to be explosion-proof, please specify during the order. The 2BV5 water ring vacuum pump in the table should be correspondingly changed to the 2BV6 series.
    ❓ Frequently Asked Questions (FAQ)
    Q What does the unit model designation (e.g., JZJ2B300-2) indicate?
    The unit model designation encodes key configuration information including the type of vacuum system, the nominal pumping speed (e.g., 300 L/S), and the number or arrangement of pump stages. Each model corresponds to a specific combination of main pump and pre-stage pump as listed in the specification table above.
    Q How should I select the correct vacuum unit model for my application?
    Selection should be based on your actual process conditions, including the required vacuum level (absolute vacuum in Pa), the gas load (draw rate in L/S), gas release characteristics, condensation behavior of non-volatile gases, and the time variation of intake pressure. It is recommended to perform engineering calculations or refer to existing equipment with similar working conditions.
    Q What is the risk of operating the main pump above its maximum intake pressure?
    Operating the main pump continuously at a pressure higher than the specified maximum intake pressure will cause the motor to overload, potentially leading to motor damage, increased energy consumption, and premature wear of pump components. Always ensure the system operates within the rated pressure range.
    Q When should I specify explosion-proof components for the vacuum unit?
    Explosion-proof components should be specified when the vacuum unit is to be used in environments where flammable gases, vapors, or dust may be present. In such cases, the vacuum pump motor, electrical contact vacuum gauge or pressure transmitter, and the electrical control cabinet must all meet explosion-proof standards. Please indicate this requirement at the time of ordering.
    Q What is the difference between the 2BV5 and 2BV6 series water ring vacuum pumps?
    The 2BV5 series is the standard water ring vacuum pump used in the configurations listed in the table. The 2BV6 series is the explosion-proof equivalent, designed to meet safety requirements in hazardous environments. When explosion-proof specifications are required, the 2BV5 models should be replaced with the corresponding 2BV6 models.
    Q Can the pre-stage pump configuration be customized based on process requirements?
    Yes. The pre-stage pump combinations shown in the table represent recommended standard configurations. Depending on your specific vacuum extraction process, required ultimate pressure, and gas load characteristics, different pre-stage pump arrangements (single-stage or multi-stage) may be more appropriate. Consult with the manufacturer or a qualified engineer to determine the optimal configuration for your application.

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