Siemens 331-2856, Damper Actuator, Pneumatic, Number 6, 4″ Stroke, 8-13psi, Pivot Mount, Clevis.
This 331 Number 6 Pneumatic Damper Actuator is a rugged, metal-fabricated device that is UL recognized for use on fire dampers and leakage-rated dampers. This actuator has a nominal spring range of 8 to 13 psi, is pivot mounted and has a replaceable diaphragm. This actuator has a 1/8″ NPT female air connection.
Actuator Type: Pneumatic
Pneumatic Model: No. 6
Spring Range: 8-13 psi
Ball Joint Connector: No
Clevis: Yes
Mounting Style: Pivot
Pivot: Yes
Pneumatic Bracket: No
Positioning Relay: No
Stroke: 4 in
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