IPC Main Group
F16K 25/00 Details relating to contact between valve members and seats
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
2 direct subcodes
Child Classifications
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- F16K 25/02 Arrangements using fluid issuing from valve members or seats
- F16K 25/04 Arrangements for preventing erosion, not otherwise provided for