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Water Ring Vacuum Pump

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The water ring vacuum pump is suitable for removing gas and water vapor. The suction pressure can reach 33mbar absolute pressure (97% vacuum degree)
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  • The water ring vacuum pump is suitable for removing gas and water vapor. The suction pressure can reach 33mbar absolute pressure (97% vacuum degree). It is an ideal vacuum pump for evaporation system. When the transformer oil is used as the working fluid (called the oil ring vacuum pump), the suction pressure can reach the 6.7mbar absolute pressure (99.3% vacuum degree), which can completely replace the reciprocating vacuum pump. When the vacuum pump is working for a long time under the suction pressure near the limit vacuum, the cavitation protection pipe should be connected to protect the pump and eliminate the cavitation noise.

    Main features of HSD water ring vacuum pump

    • The motor and pump body direct connection design, save space, easy to install;
    • NTN or NSK imported bearings to get reliable performance;
    • Mechanical seal is used as the standard configuration, to eliminate leakage;
    • Mechanical seals selected imported John or Dalian Bergman, in order to ensure accuracy;
    • The unique flexible exhaust port design does not produce over compression and ensures the best efficiency within its range of performance.
    • The design of the interface with cavitation protection tube- when working at the limit pressure, open the cavitation protection pipe interface (or connected with the separator), can eliminate the cavitation noise and protect the pump and the suction effect is maximally guaranteed;
    • Raw material processed by precision casting, stainless steel for better performance;
    • Roots combination unit can be achieved by the combination of water ring vacuum pump and roots vacuum pump. The ultimate vacuum is up to 5Pa

    Water Ring Vacuum Pump Main Type & Specifications

    Model Capacity
    (m3/h)
    Inlet/outlet Feed water inlet Motor power (kw) Rotation speed (rpm) Operation liquid flow rate (L/min) Weight (kg)
    HSD2BV-060 30 G1’’ G3/8’’ 1.1 2840 2.5 37
    HSD2BV-061 50 G1’’ G3/8’’ 1.5 2840 2.5 41
    HSD2BV-070 80 G1.5’’ G3/8’’ 3 2860 3 66
    HSD2BV-071 110 G1.5’’ G3/8’’ 4 2880 4.7 75
    HSD2BV-110 160 DN50 G1/2’’ 4 1440 6.7 150
    HSD2BV-111 230 DN50 G1/2’’ 5 1440 10 200
    HSD2BV-121 280 DN65 G3/4’’ 5 1440 12 230
    HSD2BV-131 400 DN65 G3/4’’ 11 1460 17 280
    HSD2BV-161 500 DN80 G3/4’’ 15 970 23 400

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