Hydac Process Technology Gmbh

Thomas Bottcher

Ralf Wnuk

Jörg Hermann Gerstner

Thomas Morawietz

A filtering apparatus has a plurality of filtering elements () in a filter housing (), a filter inlet () and a filter outlet (). During the filtration operation, one of the filtering elements () can be back-flushed by a back-flushing device (). The back-flushing device has a pressure control device () including a hydraulic accumulator (). One accumulator fluid chamber () can be filled during the filtration operation with a quantity of filtered fluid and can be connected for a back-flushing operation via a back-flushing guide () to the clean side () of the filtering clement () to be cleaned. Another accumulator fluid chamber () can be subjected to a media pressure.

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Illingen-Hüttigweiler, Germany

Thomas Bottcher