Designed and developed specifically for quarter turn valve. The ALPHA ASD Spring-Diaphragm rotary actuators were designed by using advanced spring-diaphragm technology that focuses on the crank-shaft and the connecting rod.
![asd-valve](https://www.alphacontrols.co.uk/wp-content/uploads/2016/05/asd-valve.jpg)
Designed and developed specifically for quarter turn valve. The ALPHA ASD Spring-Diaphragm rotary actuators were designed by using advanced spring-diaphragm technology that focuses on the crank-shaft and the connecting rod.