Valve stem: stainless steel Valve seat: enhanced nylon valve seat Nominal diameter: 80mm Outlet diameter: 65mm Indoor Fire Hydrant, Fire Valve, Firefighting,valves,fire-fighting equipment Our company specializes in various models of Indoor Fire Hydrant, Firefighting EquipmentsDouble Body & Double Outlet ValveMaterial:Valve stem: stainless steelValve seat: enhanced nylon valve seatNominal diameter ...