After difficult years in the early 90s SED was incorporated into a group of companies in 1993. After acquisition it was possible to realign SED and to make pioneering investments and this in particular in relation to the development, production and sales.
Belonging to an international group of companies, today SED combines all the advantages of such offers a group of companies with an independent unit, which is characterized by flexibility, customer focus and innovation.

The company moved in 2010 to a new site. Processes were optimized and re-organized, a change that is the demands and the strategy to consistently rely on a continuously profitable growth.

The target is developing, manufacture and marketing of high quality valve technology such as the diaphragm and seat valve and a comprehensive range of accessories and system components for monitoring and control for demanding markets and customers where a sustainable corporate strategy, continuity and reliability play a major role.
SED Flow Control GmbH is located in the southwest of Germany in Bad Rappenau.

New Manual Diaphragm Valve Type 905 Made by SED Flow Control Video