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    709 DUCTILE IRON COUPLING

     709 ULTRAHIGH PRESSURE  DUCTILE IRON COUPLING  The Model 709 is designed for connection of grooved ultrahigh pressure pipe systems. Sizes-Inches& Rated working pressure:3

     

    709 ULTRAHIGH PRESSURE  

    DUCTILE IRON COUPLING

     Couplings

     

    The Model 709 is designed for connection of grooved ultrahigh pressure pipe systems.

     

    Sizes-Inches& Rated working pressure

    3/4&Prime; to 6&Prime;(DN20 to DN150)  2000psi(137.8bar)

    8&Prime; to 12&Prime; (DN200 to DN300)  1000psi(68.9bar)

    Cut groove only

     

    MODEL 709 MATERIAL SPECIFICATIONS

    Housings:

    Ductile Iron to ASTM A536

    Surface Finish:

    (Antirust paint red or blue)

    Hot dip zinc galvanized        Epoxy power      Dacromet       TRFLOWPTFE)      RilsanPA11

     

     

    Rubber Gaskets:

    The gasket seals is C-shaped, made of standard gasket EPDM(ethylene propylene diene monomer) for

    cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150).It is not suitable

    for medium like petroleum.

     

    Bolts & Nuts:

    Round-head, elliptoid-neck, carriage bolts, type carbon iron covered with zinc or dacromet.

     

    Couplings

     

    Couplings

     

     

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