with auxiliary water tubes

Introduced: September 1968

Last revised: January 2006

Full Title

Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body > with auxiliary water tubes

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: STEAM GENERATION
Subclass:: METHODS OF STEAM GENERATION; STEAM BOILERS

3 direct subcodes

Child Classifications

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F22B 7/06 inside the furnace tube in transverse arrangement
F22B 7/08 inside the furnace tube in longitudinal arrangement
F22B 7/1 outside the boiler body