Jamesbury™ Quadra-Powr™ Spring Diaphragm Quarter Turn Actuators, Series QPX

Jamesbury Spring Diaphragm Series QPX Quarter Turn Actuators are designed for use in both modulating control and on-off service. The Series QPX offer an exceptionally long cycle life and are well suited to operate almost any type of rotary valve because of smooth and efficient quarter-turn valve operation. Even when minimal supply pressure is available, these actuators guarantee safe and reliable operation.

• Rolling diaphragm for minimum friction
• Low friction bearings
• Field reversible for spring to open or close simply by flipping actuator over
• Low maintenance and smooth operation because of rugged and reliable design
• Accurate positioning