DVZ-GROUP is a leading supplier and manufacturer of water treatment technology made in Germany. Our product range: bilge water separators, sewage treatment plants even membrane type acc. to MEPC.159 (55) & MEPC.227 (64) incl. clause 4.1 (P and N removal) and MARPOL Annex IV, fat traps, vacuum systems, 15 ppm alarms. Worldwide after sales service and spare part supply. Steel and stainless steel constructions.