... ",3",4" 2.working pressure : 13,16,20bar 3.Material:nitrile rubber Duraline fire hose1.size : 1",1-1/2",2",2 ... 4" 2.working pressure : 13,16,20bar3.Material:nitrile rubbersuperior adhesion between rubber and textilevery low bending radius, no kinkingexcellent flow performance ... fuel and a wide range of chemicals (see resistance table in technical appendix)resistance to heat, UV and ozoneno cleaning and ...