This standard stipulates forged steel l00K pressure gauge valves (hereinafter referred to as pressure gauge valves) used in pressure gauges in ships' steam piping systems, air piping systems, fuel oil and lubricating oil piping systems, fresh water and water supply piping systems, etc. do.
JIS F 7341:1996 history
2009JIS F 7428:2009 Ships and marine technology -- Forged steel valves