Fully automatic central vacuum unit, pressure controlled, designed for permanent evacuation of several centrifugal pumps handling clean to slightly contaminated liquids. The pressure control enables systems with different suction levels to be connected.

Fully automatic central vacuum unit designed for level- controlled, permanent evacuation of several centrifugal pump units handling clean to lightly contaminated liquids. It is essen- tial that the centrifugal pumps have to operate on the same suction level.