Siemens 331-2904 Damper Actuator Pneumatic No.4, 3-7 PSI Pivot Mount

Siemens 331-2904 Damper Actuator is pneumatic actuator used for damper control in HVAC systems. This actuator uses pneumatic pressure, and is designed specifically for applications where precise damper is required. The spring range of the Siemens damper is adjustable from 3 to 7 PSI, which makes it reliable and adjusts the damper movement. It has a 4" stroke which will fit a wide range of damper sizes and configurations. A pivot mount facilitates mounting and allows for easy installation and adjustment in a wide variety of HVAC setups. The primary areas of application are controlling airflow in HVAC systems where precise damper control is required to achieve optimized system performance and efficiency.