KSB sells its diaphragm valves under the SISTO brand. These products perform shut-off functions in building services, industrial and power plant applications. The SISTO range includes special valves for sterile processes, including biotechnology applications.

Under the MIL brand, KSB sells control valves manufactured by its Indian subsidiary MIL Controls Ltd. Most MIL valves are sold on the Asian market.

Under the ITUR brand, KSB ITUR Spain S.A. manufactures pumps for use on ships as well as fire protection systems for building services and industry.