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    Current Position: Home Products Roots Pump Systems With Water(oil)Ring Vacuum Pumps

    Roots Pump Systems With Water(oil)Ring Vacuum Pumps

    Model:ZJ300B/2SK-6B


    Use:
    The vacuum system is suitable for high vacuum distilling, vacuum vaporizing and vacuum dehydrating-crystal of chemical and medicine industry, vacuum drying and vacuum soaking of electric utility and light textile industry, freeze-dryer of food industry etc.
    Structure and Features:
    Roots pump is used as main chief pumps, double-stage liquid ring vacuum pump is as backing pump. They are connected in series. The roots pump and liquid pump can be started and closed automatically by vacuum relay or electric tactility pressure gauge. Possess overload selfprotective function. It has many virtues as follow compared with the ordinary Roots pump and liquid ring vacuum pumps:
    ●The system can pump ordinary gas, which possesses particles of dust, vapour, because water ring vacuum pump is as backing pump. It can be used in bad environment.
    ●If multilevel roots pumps are connected in series, the ultimate pressure of approximate is increased 1pa.
    ●In a quite wide pressure range (50Pa to 4000Pa) a stable, fairly high pumping speed can be gained
    ●Low power compare with multilevel
    These can be combined as follow according as different useful request:
    ●A roots pump systems with double stage liquid ring vacuum pump
    ●Two roots pump systems with double stage liquid ring vacuum pump
    ●Three roots pump systems with double stage liquid ring vacuum pump

    A roots pump systems with double stage liquid ring vacuum pump main performance-parameter table

    System model Pump model Ultimate pressure(Pa) Pumping speed Inlet Diam Outlet Diam Motor power
    chief backing water oil ring L/s mm mm Kw
    JZJ(P)2S(Y)70-2 ZJ(P)70 2S(Y)K2 300 80 70 80 50 1.5 5.5
    JZJ(P)2S(Y)70-1 ZJ(P)70 2S(Y)K3 300 80 70 80 50 1.5 7.5
    JZJ(P)2S(Y)150-3 ZJ(P)150 2S(Y)K3 300 80 150 100 50 3 7.5
    JZJ(P)2S(Y)150-1 ZJ(P)150 2S(Y)K6 300 80 150 100 50 3 11
    JZJ(P)2S(Y)300-3 ZJ(P)300 2S(Y)K6 300 80 300 150 50 4 11
    JZJ(P)2S(Y)300-1 ZJ(P)300 2S(Y)K12 300 80 300 150 80 4 22
    JZJ(P)2S(Y)600-3 ZJ(P)600 2S(Y)K12 300 80 600 200 80 7.5 22
    JZJ(P)2S(Y)600-1 ZJ(P)600 2S(Y)K25 300 80 600 200 100 7.5 55
    JZJ(P)2S(Y)1200-3 ZJ(P)1200 2S(Y)K25 300 80 1200 200 100 11 55

    A roots pump systems with double stage liquid ring vacuum pump main performance-parameter table
    System model Pump model Ultimate pressure(Pa) Pumping speed Inlet Diam Outlet Diam Motor power
    chief middle middle backing water oil ring L/s mm mm Kw
    JZJ(P)2S(Y)300-222 ZJ(P)300 ZJ(P)150 ZJ(P)70 2S(Y)K2 1 0.5 300 150 50 4 3 1.5 5.5
    JZJ(P)2S(Y)300-221 ZJ(P)300 ZJ(P)150 ZJ(P)70 2S(Y)K3 1 0.5 300 150 50 4 3 1.5 7.5
    JZJ(P)2S(Y)300-221T ZJ(P)300 ZJ(P)150 ZJ(P)70 2S(Y)K6 1 0.5 300 150 50 4 3 1.5 11
    JZJ(P)2S(Y)600-223 ZJ(P)600 ZJ(P)300 ZJ(P)150 2S(Y)K3 1 0.5 600 200 50 7.5 4 3 7.5
    JZJ(P)2S(Y)600-221 ZJ(P)600 ZJ(P)300 ZJ(P)150 2S(Y)K6 1 0.5 600 200 50 7.5 4 3 11
    JZJ(P)2S(Y)1200-421 ZJ(P)1200 ZJ(P)300 ZJ(P)150 2S(Y)K6 1 0.5 1200 250 50 7.5 4 3 11
    JZJ(P)2S(Y)1200-223 ZJ(P)1200 ZJ(P)600 ZJ(P)300 2S(Y)K6 1 0.5 1200 250 50 11 7.5 4 11
    JZJ(P)2S(Y)1200-221 ZJ(P)1200 ZJ(P)600 ZJ(P)300 2S(Y)K12 1 0.5 1200 250 80 11 7.5 4 22
    Notice:In main performance-parameter table the chief pump can choose series ZJ roots pump or series ZJP roots pump. When choose series ZJP roots pump. the letter ZJ in the system model change letter ZP. The signification of letter S is water ring vacuum pump; the signification of letter Y is oil ring vacuum pump.

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