Siemens Damper Actuators

Damper Actuator, Pneumatic,. Number 6, 4" Stroke, 3 to 13 psi, Integral Pivot with Pivot Post, Extended. Shaft. . This 331 Number 6 Pneumatic Damper Actuator with integral pivot and pivot post. is a rugged, metal-fabricated device that provides gradu   More Info ...

This 331 Number 6 Pneumatic Damper Actuator with integral pivot and pivot post 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 3 to 13 psi, is m   More Info ...

331 No. 4 Pneumatic Damper Actuator, UL recognized for fire and smoke applications; rugged, metal-fabricated device provides gradual or positive actuation of HVAC and fire/smoke dampers. 8 to 13 psi, integral pivot mounting, replaceable diaphragm; Ai   More Info ...

This 331 Number 3 Pneumatic Damper Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC dampers. This actuator has a nominal spring range of 8 to 13 psi, is fixed bracket mounting and has an ozone-resistan   More Info ...

Damper Actuator, Pneumatic,. No. 6, 4" Stroke, 3 to 13 psi, Integral Pivot with Pivot Post, Extended. Shaft Kit with Positioning Relay. . This 331 Number 6 Pneumatic Damper Actuator with integral pivot and pivot post. is a rugged, metal-fabricated de   More Info ...

This 331 Number 3 Pneumatic Damper Actuator with integral pivot and pivot post is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC dampers. This actuator has a nominal spring range of 8 to 13 psi, has extended sha   More Info ...

This 331Number 4 Pneumatic Damper Actuator with integral pivot and pivot post 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 8 to 13 psi, a   More Info ...

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 piv   More Info ...

AP 331 pneumatic damper actuators are terminal devices designed to position air dampers for HVAC systems and fire/smoke dampers. Typical applications are unit ventilators, unit conditioners, outside air dampers or built up sectional dampers. Air conn   More Info ...