... 2.Good Sealing Ball valves Cast Steel Flange Connesction Turbine Ball ValvesStandard: JIS DIN ANSI or othersMaterial: CastingPressure: 5K, 10K, ... manufacturer and exporter of all kinds of marine valves, air vent heads and piping accessories. Our valves are in accordance with ... manufacturer and exporter of all kinds of marine valves, air vent heads and piping accessories. Our valves are in accordance ...