the unit being adapted for mounting in apertures

Introduced: September 1968

Last revised: January 2006

Full Title

Pumping installations or systems specially adapted for elastic fluids > Units comprising pumps and their driving means > the working fluid being air, e.g. for ventilation > the unit being adapted for mounting in apertures

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
Subclass:: NON-POSITIVE-DISPLACEMENT PUMPS

1 direct subcode

Child Classifications

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F04D 25/14 and having shutters, e.g. automatically closed when not in use