Everywhere media flows, the check valve can be an indispensable component. WEH has specialized in producing high-performance and maintenance-free check valves for use with liquid and gaseous media. The check valves are silent in use even under high flow requirements and offer minimum opening pressures from 0.01 bar upwards with high sealing integrity. WEH has existing designs operating at pressures up to 1,000 bar. Various pipework connection sizes and versions are available, as well as special solutions - even in small quantities.