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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