Rietschle pumps with suction/discharge design are typically used in printing industry where the discharged air is filtered, too, to reduce coal dust. The air filters are usually integrated in the housing in Rietschle products taking smaller room, therefore more filters can be installed.
Rietschle (GD-ElmoRietschle) alternative vacuum pump air filter element for types VCA, VCE, VTE, VTN, VTA, VTR, VGD, VC, VCB, VGA, VGC, VL, VLB, DTA, DTE, DTN, DTR, KTA, KTN, KTR.