CPC Subgroup
F16K 17/04 spring-loaded
Full Title
Safety valves; Equalising valves, > opening on surplus pressure on one side; closing on insufficient pressure on one side (check valves F16K15/00) > spring-loaded
15 direct subcodes
Child Classifications
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- F16K 17/06 with special arrangements for adjusting the opening pressure
- F16K 17/08 with special arrangements for providing a large discharge passage
- F16K 17/10 with auxiliary valve for fluid operation of the main valve