IPC Subgroup
F16K 17/2 Excess-flow valves
Introduced: September 1968
Last revised: January 2006
Full Title
Safety valves; Equalising valves > Excess-flow valves
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- Subclass:
- VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
2 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