Pneumatic Damper Actuator, 3 to 8 Psi Spring Range ( 20 Square Inch Actuator ), 30 Psig Maximum Air Pressure, Spring retracts Actuator Crank Arm on Loss of Air Pressure, 4" to 5" Adjustable Stroke, 1/8" Fnpt Air Connections

Pneumatic Damper Actuator, 8 to 13 Psi Spring Range ( 20 Square Inch Actuator ), 30 Psig Maximum Air Pressure, Spring retracts Actuator Crank Arm on Loss of Air Pressure, 4" to 5" Adjustable Stroke, 1/8" Fnpt Air Connections

FLOOR MTD.DAMPER ACT,20sq.inch

DAMPER ACT,8-13#,FLOOR MT,DUAL

Proportional Control, Spring Return, Linear Movement, Nema 1 Enclosure, 3-8 PSI Pneumatic Valve Actuator (100 square inch) with 1/8" NPT Air Connection and 1" Nominal Stroke

Proportional Control, Spring Return, Linear Movement, Nema 1 Enclosure, 5-10 PSI Pneumatic Valve Actuator (100 square inch) with 1/8" NPT Air Connection and 1" Nominal Stroke

Proportional Control, Spring Return, Linear Movement, Nema 1 Enclosure, 8-13 PSI Pneumatic Valve Actuator (100 square inch) with 1/8" NPT Air Connection and 1" Nominal Stroke