Jamesbury® spring diaphragm quarter turn actuators, QPX series
For use in both modulating control and on-off service
Jamesbury® spring diaphragm QPX series quarter turn actuators are designed for use in both modulating control and on-off service. These actuators offer an exceptionally long cycle life and are well suited to operate almost any type of rotary valve. QPX actuator is designed for smooth and efficient quarter-turn valve operation and it provides safe and reliable operation even when minimal supply pressure is available.