Siemens Building Technology 331-2905 Pneumatic, Number 4, 4" Stroke, 3-7 PSI, Integral Pivot Mount, Damper Actuator

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This 331 Number 4 Pneumatic Damper Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers. This actuator has a nom inal spring range of 3 to 7 psi, integral pivot mounting and a replaceable diaphragm. This actuator has an air connection of 1/8" NPT internal threads with a dual barb elbow fitting for 1/4" OD tubing. Specifications: Manufacturer: Siemens Building TechnologyManufacturer Part Number: 331-2905Product Type: Damper ActuatorPneumatic Model: #4Spring Range: 3-13 PSIBall Joint Connector: NoClevis: NoMounting Style: PivotPneumatic Bracket: NoPositioning Relay: NoStroke: 4"Dimensions: 12.35" x 7.8" x 5.75"Weight: 3.36 LbInst. ManualUser Guide Show more