Siemens 331-3060, Damper Actuator, Pneumatic, Number 6, 4″ Stroke, 3-13 psi, Pivot Mount, Extended Temp Range, UL Rec.
This 331 Number 6 Pneumatic Damper Actuator with an extended temperature range is a rugged, metal-fabricated device that is UL recognized for use on fire dampers and leakage-rated dampers. This actuator has 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.
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