Siemens 331-3011

The Siemens 331-3011 is a pneumatic damper actuator designed for reliable and precise control in airflow systems. This model features a nominal spring range of 8 to 13 PSI and provides a 4-inch stroke, making it suitable for various damper applications. It includes a spring return mechanism, ensuring the damper automatically returns to its default position when air pressure is released. The actuator is equipped with an integral pivot and pivot post for secure mounting, along with an extended shaft mount to accommodate different installation needs. Air connections are standardized with a 1/8" NPT fitting. This pneumatic damper actuator is available through BSP Automation, offering a dependable option for industrial automation projects.