Siemens Building Technology 331-2905 Pneumatic, Number 4, 4" Stroke, 3-7 PSI, Integral Pivot Mount, Damper Actuator
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Siemens Building Technology 331-2905 Pneumatic, Number 4, 4" S...
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 nominal 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 Technology
Manufacturer Part Number: 331-2905
Product Type: Damper Actuator
Pneumatic Model: #4
Spring Range: 3-13 PSI
Ball Joint Connector: No
Clevis: No
Mounting Style: Pivot
Pneumatic Bracket: No
Positioning Relay: No
Stroke: 4"
Dimensions: 12.35" x 7.8" x 5.75"
Weight: 3.36 Lb
Inst. Manual
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