Fire Hose Storz Couplings Features: -Nominal diameter: 80mm -Working pressure: 1.6MPa -Testing pressure:2.4MPa German Alloy Fire Coupling,Hose tail storz1)Sizes:40mm(1 1/2"),50mm(2"),65mm(2 1/2"),80mm(3"),100mm(4")2)Material:Alu,Brass3)Surface finish:zinc-plated,chrome-plated,epoxy painting.4) We ensure you high quality, competitive price and quick delivery.