GB/T3943-2002,stainless steel flanged stop check valve,used for merchant ship,war ship. stainless steel flanged globe check valvestype:A,B(for war ship) AS ... ,1.6MPa,2.5MPa,4.0MPa,6.4MPajiangyin marine valves co.,ltd products valves with different types such as JIS ,DIN,ANSI ... ,GB and so on,the valves are exported to Singapore,Australia,Korea,Germany,Japan,Dubai and ...