Siemens 332-4811 3 Pneumatic Damper Actuator, With Positioner,8-13PSI, 2 3/8" Stroke

The Siemens 332-4811 Pneumatic Damper Actuator is a strong and precise tool utilized in the management of the position of the dampers in HVAC systems. This actuator has a 2-3/8 inch stroke and has an extended shaft that helps in mounting and positioning of the actuator. This Siemens 332-4811 is pneumatic and works by using pressurized air to open and close the damper and it works in a spring range of 8-13 PSI. The integrated positioner also enhances its performance because it is able to properly position the damper to regulate the flow of air and temperature.