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    DS SERIES CHECK VALVES

    Short Description:

    49

    DS series check valves allow free flow in one direction and block flow in the counter direction


    Product Detail

    Product Tags

    DS series check valves allow free flow in one direction and block flow in the counter direction.

    Technical data

    Size 6 8 10 15 20 25 30
    Threaded connection Inch G1/4″ G3/8″ G1/2″ G3/4″ G1″ G1 1/4″ G1 1/2″
    Threaded connection Metric M14X1.5 M18X1.5 M22X1.5 M27X2 M33X2 M42X2 M48X2
    Max .flow rate(L/min) 15 30 40 120 200 300 400
    Max .operating pressure(Mpa) 31.5
    Distance across flats(mm) 19 24 30 36 46 60 63
    Length(mm) 58 58 72 85 98 120 132
    Weight(KGS) 0.1 0.2 0.3 0.5 1 2.1 2.5
    Valve body(Material)Surface treatment Steel Body Surface Black Oxide
    Oil cleanliness NAS1638 class 9 and ISO4406 class 20/18/15

    Threaded connection dimensions

    222

    Subplate dimensions

    333

     

    Size B B1 L L1 L2 L3 L4 L5 D D1
    10 87 66.7 90 23.5 7.2 35.8 42.9 11 4-M10/20
    20 110 79.4 120 23.4 11.1 49.2 60.3 22 4-M10/20
    30 128 96.8 148 27.8 16.7 42.1 67.5 84.2 28 6-M10/20

    44


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