Siemens 331-3013

Damper Actuator, Pneu No 6, 4” Stroke, 3-13psi, Integral Pivot, Ext Shaft

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 3 to 13 psi, is mounted on a plate which allows extended shaft mounting and has a replaceable diaphragm. This actuator has a ⅛” NPT female air connection and parts for frame mounting.

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