involving a single upper drum and two or more lower drums

Introduced: September 1968

Last revised: January 2006

Full Title

Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically > built-up from substantially-straight water tubes > involving a single upper drum and two or more lower drums

Classification Context

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

1 direct subcode

Child Classifications

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F22B 21/16 the lower drums being interconnected by further water tubes