SchuF is the inventor of the Piston Bottom Outlet Valve (Patent received in 1926). They are most commonly used to quickly drain or inject media into or out of vessels, tanks or reactors.
Piston or Ram valves are most commonly used for dead space free draining and feeding of vessels, reactors and pipelines. They are particularly suited to highly viscous materials, or where rapid vessel drainage is important. They are widely used in the Pharmaceutical and Fine Chemicals, Petrochemical, Polymer, and Mineral Processing industries.