built-up from substantially-straight water tubes

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

Classification Context

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

5 direct subcodes

Child Classifications

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F22B 21/04 involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely
F22B 21/12 involving two or more upper drums and two or more lower drums, e.g. with crosswise-arranged water-tube sets in abutting connection with drums
F22B 21/14 involving a single upper drum and two or more lower drums
F22B 21/18 involving two or more upper drums and a single lower drum
F22B 21/2 involving sectional or subdivided headers in separate arrangement for each water-tube set