Military ship valves used for submarine-Butterfly valve

4pcs DN400 PN63 Metal seated butterfly valve in forged alloy steel used for submarine are rough machining body. The valve requires body test, seal test, packing test, static life test, seismic test. Forged alloy steel are applied as body material to enhance valve strength with limit defects possibility. This military valve is wafer type butterfly valve with enough design safety factor.

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