Barber Colman Damper Actuator w/ Positioner (8-13 psig)

For proportional pneumatic actuator with 20 sq. in. (129 cm2) effective area used to control damper and air valves in heating, ventilating, and air conditioning systems. Features Rugged cast aluminum body. Completely enclosed spring. Long lasting rolling diaphragms. Long lasting rolling diaphragms. Heavy duty mounting plate included.