332-3011 | Damper Actuator, Pneu No. 6, 4" Stroke, 3-13psi, Integral Pivot, Pos Relay | Siemens

This 331 Number 6 Pneumatic Damper Actuator with integral pivot and pivot post is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers. This actuator has a nominal spring range of 8 to 13 psi, has a replaceable diaphragm and a 1/8" NPT female air connection. Also included is an extended shaft mounting kit with parts for frame mounting.