2"~12", DN50~DN300 ASTM B62 Class C83600 SS304 Wafer Butterfly Valve Body Test:1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is ... Lire la suitemeilleur prix
SS304 316 Stainless Steel DN250 100mm Gate Cast Valve with High Pressure Plug valves: Plug valve is a Quarter-turn rotary motion Valve that uses a tapered or cylindrical plug to stop or start the flow. The disk ... Lire la suitemeilleur prix
Hard Seal rising Stem Gate Valve Manual Cast Steel Flange Metal Seat Gate Valve Plug valves: Plug valve is a Quarter-turn rotary motion Valve that uses a tapered or cylindrical plug to stop or start the flow. ... Lire la suitemeilleur prix