Electric Damper Actuators
Series: EDA
Electrically operated actuators are available as two-position, spring return actuators or as modulating actuators (both spring return and power in both directions). We offer a wide variety of manufacturers and in a broad range of operating torques. UL listed dampers should use one of the specially noted ULD series of actuators.
Pneumatic Damper Actuators
Series: PDA
The two-position/spring return series of pneumatic damper operators are available in 3", 4" and 6" stroke for a variety of torque requirements. UL Listed dampers should use one of the specially noted ULD series of actuators.
UL Damper Actuators
Series: ULD
The ULD series of actuators are a subset of the EDA & PDA actuators that have been qualified under UL555S as operators with our UL classified leakage-rated dampers. These actuators may be applied to any damper if so desired.
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