Spring Return | Damper actuators (OpenAir) | Siemens USA
A full range of spring return actuators, from 20 lb. to 160 lb., make Siemens OpenAir™ Damper Actuators the ideal OEM choice for economizer damper, roof top unit and air handling unit control. The new 35 lb. GPC Series actuator provides long lasting economizer control in a small footprint.