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IPC Subgroup
F22D 11/06

for returning condensate to boiler

Introduced: September 1968

Last revised: January 2006

Full Title

Feed-water supply not provided for in other main groups > Arrangements of feed-water pumps > for returning condensate to boiler

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