malleable iron pipe fitting quick connect coupling 1.type:quick coupling 2.color:gal 3.ANSI,BS 4.used as ... galvanized,blackstandard:American standard,British standard,DIN standardtype:quick connect coupling pipe fittingquick connect fitting widely used as media for ... convey water,gas,oil,airquick connect coupling is a eccentric malleable iron pipe fittingsTensile strength HB180> ...