Description
Siemens 331-3000 Damper Actuator Pneumatic No.4 Universal Kit is a strong and versatile component for HVAC systems. Ventilation system dampers are controlled by this pneumatic actuator, and system efficiency are maintained. The actuator is pneumatically operated with air pressure between 3 and 7 PSI in the specified spring range acting on the damper’s movement. This extended shaft enables ease of installation and integration to many HVAC equipment which makes it a general purpose solution for several applications. It has a 4″ stroke for precise control of damper positioning, improving the system overall performance. The Siemens 331-3000 is mostly used in commercial or industrial HVAC establishments that necessitate a controlled airflow regulation.









