GB/T3942-2002,flanged stainless steel valves,used for war ship and merchant ships ... , 4.0, 6.4MPamaterial of stop valves:bronze,brass,gun metal,cast iron,forged steel.cast steel,stainless ... steel,nodular cast ironjiangyin marine valves co.,ltd provides marine valves ... types such as DIN,JIS,GB etc,valves are exported to Singapore,Australia,German,Korea, ...