... : 50mm, 65mm, 80mm, 100mm 2) Working pressure: 1.6MPa Fire Hose Couplings , Couplings , quick couplings Features:1) Nominal diameter: 50mm, 65mm, 80mm, 100mm 2 ... , foam .Packing:carton PVC / RUBBER / TPU lining Fire Hose ; Double Jacket / Layflat / Color Fire Hose . Inner Dia(Inch/mm)Working Pressure(MPa ...