This 331 Number 3 Pneumatic Damper Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC dampers. This actuator has a nominal spring range of 3 to 7 psi, is front mounting and has an ozone-resistant rolling rubber diaphragm. This actuator has an air connection of 1/8″ NPT internal threads with a straight dual barb fitting for 1/4″ OD tubing.
Damper Actuators, Pneumatics & Fittings
331-4310
Damper Actuator, Pneumatic, Number 3, 2-3/8″ Stroke, 3-7 psi, Front Mounting
$269.62


