Siemens
Item ID: 332-2856
This 331 Number 6 Pneumatic Damper Actuator with positioning relay is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke 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..