Description
Siemens 331-3002 Damper Actuator Pneumatic No.4 is a robust and reliable actuator for exact control in HVAC systems. The actuation of this pneumatic actuator occurs within a spring range of 5 – 10 PSI where this damper positioning is constant and extremely accurate. With the extended shaft mounting and 4″ stroke, versatility and adaptability to many HVAC setups is possible. The actuator uses air pressure to drive the damper movement and allows for precise airflow control as well as improved system efficiency. As a commercial and industrial HVAC equipment, it is commonly used in the air handling units, variable air volume (VAV) boxes, ventilation systems.
