Siemens
Item ID: 331-2856
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..