with means for changing the flow-path through the stages, e.g. series/parallel

Full Title

Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids > Centrifugal pumps > for compressing or evacuating > Multi-stage pumps > with means for changing the flow-path through the stages, e.g. series/parallel

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