DBS designs and manufactures clarifier and thickener drives that are direct bolt-in replacements for drives built by many other companies, including Ahlstrom, Amwell, Andritz, Delkor, Denver, Dorr Oliver – Ovivo, Eimco – FLS, Envirex – Evoqua, Envirodyne, Enviroquip, FMC, Graver Water, Horsburgh & Scott, Infilco Degremont, Kusters, National Hydro, Passavant, Peabody Wells, PRE, Suez Environmental, Veolia Water Systems, Walker Process, and WesTech. All DBS retrofit units are backed by our product warranty. If the retrofit drive you are looking for is not listed below, please contact our engineering team to learn about custom retrofit drive units. For retrofit sales, please contact our representative in your region. Browse our comprehensive selection of retrofits below.