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Field Devices - Cannot connect MD actuator to MBX valve, using appropriate linkage.


Cannot connect MD20B-230 actuator to MBX4451 valve, using a 914-1071-000 linkage.


  • MD Actuator
  • MB valve
  • MBX valve
  • Linkage


The existing documentation is very unclear and shows the wrong bracket.


The issue arises initially in that a different bracket is shown in the current documentation.

The second issue is that there is a circlip on the back of the actuator which must be positioned before fitting the bracket. Below is a picture showing the correctly circlip and bracket. Please take note of the circlip position.

Revised documentation will be available in due cause.

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Revision #:
1 of 1
Last update:
‎2018-09-06 12:56 PM
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