Siemens 331-2856 Damper Actuator Pneumatic No.6 8-13 PSI Pivot Mount

The Siemens 331-2856 Damper Actuator Pneumatic No.6 is a high precision damper actuator operated via pneumatics for controlling the movements of HVAC dampers. This actuator pneumatically modulates damper position against a spring range of 8-13 PSI. It offers reliable and accurate adjustment over a 4" stroke length that will accommodate a variety of damper sizes and configurations. The actuator is pivot mounted for stable and secure installation and has a 1/8" NPT connection for easy integration into existing systems. Installed for use in ventilation,heating and air conditioning (HVAC) systems, this damper actuator enhances system efficiency by controlling airflow and delivering the comfortable environment the building occupants expect.