The English company Serck Audco Plug Valve Ltd., member of Flowserve Flow Control Group, started manufacturing valves in 1922 with the production of a unique lubricated plug valve. Serck Audco is renowned for innovation and their products are known for quality, reliability and competitiveness in markets where these factors are the major procurement considerations.

Much of Serck Audco's reputation has been built on product quality. Each product undergoes multi-stage quality control procedures before leaving the factory.

Serck Audco is by far the biggest European plug valve manufacturer and by producing plug valves since 1922 also the plug valve manufacturer with the most experience.

Scandivalve is the Danish agent for Serck Audco Plug Valves Ltd.