fire hose with fire hose coupling 1) Inner dia 25,40,50, ... 1.3,1.6,2.0,2.5MPa supply fire hose with fire hose coupling with the following features1. warp: ... resistance 5) flexble and pliable5. applications: fire fighting car,extinguishing fire,high offical building ,mining, water transporation, agriculture 6. Technical Parameters Model DiameterWorking ... 60/90010m-50m 2.5 65 3.2 80 fire fighting product