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331-2910 | Damper Act, Pneu, No 4, 4" Stroke, 3-7psi, Front Mount, NonPivot Mount Screws | Siemens (OBSOLETE)

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DISCONTINUED MODEL, CONTACT TECHNICAL SUPPORT FOR REPLACEMENT OPTIONS

Damper Act, Pneu, No 4, 4" Stroke, 3-7psi, Front Mount, NonPivot Mount Screws

This 331 Number 4 Pneumatic Damper Actuator with non-pivot mounting screws 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 7 psi, is front mounted and has a replaceable diaphragm. This actuator has an air connection of 1/8" NPT female with a dual barb elbow fitting for 1/4" OD tubing.