Metering pumps accessories Relief valve PV1, PV3 Relief valve VP3, VP5 Safety valve PV2, PV4 Safety valve VP4, VP6                 Closing valve VU2, VU3 Filter FCH Check valve Inlet                 Air box VCH Fittings Feeding tank DS 60 Feeding tank DS 100                   Feeding tank DS 200 Table with fittings AD Submersible switch PS3