Hi Richard, When mid-point dimensions were introduced a fixed set of components eligible for mid-point dimensions was created. That set consisted of inline components with IE_TYPE containing VALVE, FITTING, INSTRUMENT and GASKET. That set proved to be too large as couplings, bushings etc were also included. The granularity was also not optimal, one could not have midpoint dimension on flanged valves but not on welded valves. Putting all possible option in Configuration Manager was basically impossible. With the introduction of overrides the following logic was implemented: when mid-point dimensions are enabled only inline components with VALVE in IE_TYPE are eligible. The diameter threshold is applied in overrides you can add/remove components eligible for mid-point dimensioning using any combination of component properties. The file gives full and detailed control. Even the settings for valves can be overridden and refined to target specific valves The documentation was unfortunately not updated to the new logic Regards, Frank
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