IPC Main Group
F16K 17/00 Safety valves; Equalising valves
Introduced: September 1968
Last revised: January 2006
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
Related Keywords
valves responsive to PRESSURESAFETY valves
6 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
- F16K 17/18 opening on surplus pressure on either side
- F16K 17/2 Excess-flow valves
- F16K 17/36 actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K 17/4 with fracturing member, e.g. fracturing diaphragm, fusible joint
- F16K 17/42 Valves preventing penetration of air in the outlet of containers for liquids