Val-Matic’s quarter-turn and check valves are able to meet the demands of the refining industry. Changing crude oil into more useful products is a process not all valves can handle. Val-Matic’s QuadroSphere® ball valve, HP butterfly valves and Cam-Centric® Plug Valves are able to cut off the flow of air and fluids with tight sealing when required. The Swing-Flex®, Surgebuster® and silent check valves protect equipment in the piping system by preventing reversal of fluid flow.