This standard specifies bronze 16K() union bonnet type screw-fastened non-return angle valves (hereinafter referred to as angle valves) used in ships' steam piping systems, fresh water and water supply piping systems, fuel oil and lubricating oil piping systems, etc. .
JIS F 7414:1996 history
2012JIS F 7427:2012 Ships and marine technology -- Bronze valves