PDA

Pneumatic Damper Actuators
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.
  • Available in 3", 4" & 6" stroke.
  • Two Position Spring-Return standard
  • Siemens 331 series of actuators are standard; contact factory for other model availability.
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