CDA Series

Diaphragm Actuator

400,000 cycles Without Loss of Precision | Effective Diaphragm Area: up to 217 in2| Thrust: up to 13,000 lbs


diaphragm actuator

Excellent Repeatability, Small Size, Ease of Actuation Work


  • An adjusting mechanism is incorporated into the actuator design to allow for adjustment of the spring pre-compression
  • Excellent repeatability: tested to over 400,000 cycles without loss of precision!
  • Outputs repeatable thrust force
  • Extended service life
  • Nested spring design to maintain compactness


  • Effective Diaphragm Area: up to 217 in2
  • Thrust: up to 13,000 lbs
  • Stroke: up to 4.00″
  • Pressure Rating: up to 60 psi
  • Direct or Reverse Acting Styles
  • Fail-Close or Fail-Open
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Valve Compatibility

Our Series CDA Diaphragm Actuator is compatible with any process valve that requires linear motion.

Learn More About: Valve Types

knife gate valve actuator

Knife Gate Valve

gate valve actuator

Gate Valve

Globe Valve

Pinch Valve

CDA Series Design

Panel Box

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