Safety or venting devices

Full Title

Feed-water heaters, e.g. preheaters > with water tubes arranged in the boiler furnaces, fire tubes or flue ways > Safety or venting devices

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