Pneumatic Damper Actuator, Medium Actuator Force, 5-10 PSI Spring Range, 4" Stroke, Spring Return, 29 PSI Maximum Operating Pressure, 6.6 Square Inch Diaphragm, Dual Barbed Fitting for 5/32" or 1/4" OD Tubing Air Connection, -28-160 Degree Temperature Range, 5-95% RH Humidity Range, Includes Internal Normally Open Mounting Bracket with Crankarm and Pushrod

Pneumatic Damper Actuator, Medium Actuator Force, 5-10 PSI Spring Range, 4" Stroke, Spring Return, 29 PSI Maximum Operating Pressure, 6.6 Square Inch Diaphragm, Dual Barbed Fitting for 5/32" or 1/4" OD Tubing Air Connection, -28-160 Degree Temperature Range, 5-95% RH Humidity Range, Includes Fixed External Mounting Bracket

Pneumatic Damper Actuator, Spring Return, Medium Force, 9-15 Psi, 4" Stroke, Dual Barbed Fitting for 5/32" or 1/4" O.D. Tubing, Includes Mounting Bracket for External Mounting, Ball Joint and Pushrod