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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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China Screw Water Ring Vacuum Pump Unit - Leading Suppliers & Factory for Efficient Vacuum Solutions

Introducing our advanced Screw Water Ring Vacuum Pump Unit, a state-of-the-art vacuum solution engineered for efficiency. This unit combines a high-performance Screw pump as the main component with either 2BV or 2BE water ring pumps functioning as pre-stage pumps. The water ring pump effectively creates the necessary pre-vacuum for the Screw pump, optimizing its performance. As a leading vacuum system, the Screw pump acts as a booster pump, significantly enhancing the vacuum level. For each additional Screw pump stage added, the ultimate vacuum degree of the entire unit can increase by an impressive order of magnitude. As a prominent supplier and factory in China, we are committed to delivering top-quality vacuum solutions tailored to meet diverse industrial 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 & Explanation
    • 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 is the difference between the JZJ2B series units with different absolute vacuum levels (267 Pa, 25 Pa, and 0.5 Pa)?
    A The three groups represent different vacuum depth capabilities. Units achieving 267 Pa use a single-stage pre-pump configuration, those reaching 25 Pa use a two-stage pre-pump setup, and units capable of 0.5 Pa employ a three-stage pump combination. Higher vacuum depth (lower Pa value) requires more pump stages, which also increases total power consumption.
    Q How should I select the right JZJ2B unit model for my application?
    A Selection should be based on your actual vacuum extraction process requirements, including the required draw rate (L/S), the target absolute vacuum level (Pa), and total power availability. It is also recommended to account for gas release processes, condensation of non-volatile gases, and time variations of intake pressure in your calculations, or reference existing equipment usage data.
    Q What happens if the main pump operates at a pressure higher than the maximum intake pressure for an extended period?
    A Operating the main pump continuously at a pressure exceeding its maximum intake pressure will cause the main pump motor to overload. This can lead to overheating, premature wear, and potential equipment failure. It is critical to ensure the operating pressure remains within the specified limits during prolonged operation.
    Q Can the JZJ2B vacuum units be configured for explosion-proof environments?
    A Yes. If explosion-proof requirements apply to the vacuum pump motor, electrical contact vacuum gauge, pressure transmitter, or electrical control cabinet, this must be specified at the time of ordering. Additionally, the 2BV5 water ring vacuum pump listed in the table must be replaced with the corresponding 2BV6 series for explosion-proof compliance.
    Q Where can I find the detailed technical specifications for individual pumps used in these units?
    A The technical indicators and performance parameters for each individual pump (such as ZJP30, ZJP70, ZJP150, ZJP300, ZJP600, ZJ1200, ZJ2500, ZJ5000, 2BV5 series, and 2BE1 series) are provided in their respective pump parameter tables. Please refer to those documents for detailed specifications including flow rate, pressure range, and motor data.
    Q What is the role of the pre-stage pump in the JZJ2B vacuum unit system?
    A The pre-stage pump (or backing pump) works in series with the main pump to achieve the required vacuum level. It evacuates the exhaust from the main pump, enabling the main pump to operate efficiently at lower pressures. In multi-stage configurations, multiple pre-stage pumps are connected in series to achieve deeper vacuum levels, such as the 0.5 Pa absolute vacuum models in this series.

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