CPC Main Group
F16K 17/00 Safety valves; Equalising valves,
8 direct subcodes
Child Classifications
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- F16K 17/02 opening on surplus pressure on one side; closing on insufficient pressure on one side (check valves F16K15/00)
- F16K 17/18 opening on surplus pressure on either side
- F16K 17/20 Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)
- F16K 17/36 actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K 17/40 with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint (valves opening on surplus pressure F16K17/14)
- F16K 17/42 Valves preventing penetration of air in the outlet of containers for liquids