... :6bar ,8bar, 10bar ,13bar ,16bar The size:1 -6" Fire Couplings,Storz Coupling,fire fighting hose Fire Hose / Rubber lined fire ... rubber, PU, PE and synthetic material which is anti-high temperature, anti high pressure and anti-aging.It is used in line ... .56-16bar3"8076.26-13bar4"100101.66-10bar8- fire hose couplings