Product DescriptionThe BEIER L4-series is a pneumatic multi-spring diaphragm actuator with spring return(fail safe) and is used to actuate linear valves. The actuator positions the valve plug, which in turn is controlled by a pneumatic or electro-pneumatic positioner. These actuators can be operated in the "Air to open" function or with the reverse action "Air to close"Product Features(1)The Actuator has a compact design with a low installed height. Various Spring sets with different ranges ensure good adaptation to the relevant operation conditions(2)A fabric-reinforced diaphragm ensures smoo
Diaphragm Actuators