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PCE
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IPC Subgroup
F22D 5/08

with float-actuated valves

Introduced: September 1968

Last revised: January 2006

Full Title

Controlling water feed or water level; Automatic water feeding or water-level regulators > with float-actuated valves

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
STEAM GENERATION
Subclass:
PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS

2 direct subcodes

Child Classifications

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  • F22D 5/1 and with pistons or membranes unitary with the feed inlet valves
  • F22D 5/12 and with dipping tubes