CPC Subgroup
F16K 17/20 Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)
Full Title
Safety valves; Equalising valves, > Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)
3 direct subcodes
Child Classifications
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- F16K 17/22 actuated by the difference of pressure between two places in the flow line
- F16K 17/34 in which the flow-energy of the flowing medium actuates the closing mechanism