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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 - Reliable Suppliers & Factory for Enhanced Vacuum Solutions

Introducing our advanced Screw Water Ring Vacuum Pump Unit, a highly efficient vacuum solution designed for various industrial applications. This unit features a robust Screw pump as the main component, paired with either 2BV or 2BE water ring pumps serving as pre-stage pumps. The water ring pump's primary role is to establish the essential pre-vacuum required for optimal Screw pump performance, while the Screw pump acts as a powerful booster. For every additional stage of Screw pumps integrated, the ultimate vacuum capability of the unit can significantly enhance, increasing the vacuum level by an order of magnitude, As a leading manufacturer in China, we take pride in delivering high-quality vacuum solutions tailored to meet diverse operational needs. Our trustworthy suppliers ensure that each unit is built to the highest standards, making us a preferred factory for vacuum pump solutions. Enhance your operations with our reliable Screw Water Ring Vacuum Pump Unit today!
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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
    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
    Q How should I select the correct JZJ2B vacuum unit model for my application?
    Selection should be based on the actual vacuum extraction process requirements. You need to consider gas intake volume, working pressure range, gas release characteristics, condensation of non-volatile gases, and time variations of intake pressure. It is recommended to perform detailed calculations or reference existing equipment of similar working conditions, as the table values represent standard recommended configurations.
    Q What is the significance of the absolute vacuum value (Pa) listed in the table?
    The absolute vacuum value (in Pascal) represents the ultimate vacuum level that the unit can achieve under standard operating conditions. Units in the table are grouped by their achievable absolute vacuum: 267 Pa, 25 Pa, and 0.5 Pa — with lower values indicating a deeper, higher-quality vacuum performance.
    Q What happens if the main pump operates continuously above its maximum intake pressure?
    Operating the main pump at a pressure consistently higher than its rated maximum intake pressure will cause the pump to overload. This can lead to increased energy consumption, accelerated wear, and potential damage to the pump motor or mechanical components. Always ensure the operating pressure remains within the specified limits.
    Q Can the JZJ2B vacuum units be configured for explosion-proof environments?
    Yes. If your application requires explosion-proof specifications for the vacuum pump motor, electrical contact vacuum gauge, pressure transmitter, or electrical control cabinet, this must be clearly specified at the time of ordering. In such cases, the 2BV5 series water ring vacuum pump listed in the table should be replaced with the corresponding 2BV6 explosion-proof series.
    Q What is the role of the pre-stage pump in the JZJ2B vacuum unit system?
    The pre-stage pump serves as a backing pump that maintains the outlet pressure of the main pump within an acceptable range, enabling the main (roots) pump to operate efficiently at high vacuum levels. In multi-stage configurations (e.g., ZJP150/ZJP70/2BV5111), the pre-stage section may consist of multiple pumps working in series to achieve deeper vacuum performance.
    Q Where can I find detailed technical parameters for individual pumps in the JZJ2B series?
    Detailed technical specifications for each individual pump — including single-pump performance curves, motor ratings, dimensions, and operating tolerances — are available in the respective pump parameter tables provided in the product documentation. Please refer to the specific data sheets for the ZJP, ZJ, 2BV5, 2BV6, and 2BE1 series pumps as applicable to your selected unit model.

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