Fire hose coupling 1, High quality and competitive price 2.Applicable Medium:clean water,foam liquid admixture Fire Hose Coupling1,Materail avaliable: nylon, aluminium, bronze,, stainless steel, polypropylene, cast iron2,Nominal Pressure:1.6MPa(16Bar)3,Strength Test Pressure:2.4MPa(24Bar)4,Applicable Medium:clean water,foam liquid admixture brass fire hose coupling