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Actuators & Positioners

  • Product Type: AV1 / 2 / 3 / 4
  • Place of origin: USA
  • Model No: AV1 / 2 / 3 / 4
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  • Minimum Order: 1
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  • Brand Name: ABB
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Products Information

Type AV3 Characterizable Electro-Pneumatic Positioners are control devices that satisfy a wide range of applications. They provide fast, sensitive, and accurate positioning of pneumatic signal or double-acting, linear or rotary motion actuators. A mehanical connection from the actuator to a position feedback cam in the positioner establishes actual position. Three characterized segments on one cam provide application flexibility by establishing various relationships between input signal and actuator position. The relationships provided by the segments are square root, linear, and square. The positioners receive a current input (4 to 20 milliampere) from the control device and convert the signal to pneumatic signal. This pneumatic signal is converted to a pneumatic output that produces the motive force that positions the actuator. Type AV3 fails in place on loss of current input signal.
  • Compact rugged design
  • High vibration and shock environments
  • Fast, accurate calibration
  • Single or double-acting without additional hardware
  • Vent design allows natural gas operation
  • Available with explosion-proof I/P converter

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