This standard specifies forged steel 40K angle valves (hereinafter referred to as angle valves) used in ships' steam pipes, fresh water and water supply pipe systems, fuel oil and lubricating oil pipe systems, etc.
JIS F 7330:1996 history
2009JIS F 7428:2009 Ships and marine technology -- Forged steel valves
1996JIS F 7330:1996 Shipbuilding -- Forged steel 40K angle valves