D/R Series Spring-Diaphragm Pneumatic Linear Actuators
D/R Series actuators are linear spring diaphragm pneumatic actuators designed for reliable operation of control valves. The D/R is a rugged unit available in a combination of case sizes, strokes and springs to satisfy a wide range of applications.
Benefits
Rolling diaphragm provides excellent sensitivity and provides maximum constant effective area, which translates into improved linearity
Modular construction provides maximum part interchangeability between direct and reverse-acting models and between selected case sizes
High spring rates improve control valve stability
Minimal guiding assures low hysteresis in reverse-acting models ‒ zero hysteresis in direct-acting models
Stainless steel stems are standard for maximum performance in corrosive environments