In a clever design choice, SKEYs often use . For example, a code like EL?? can match any elbow (like ELBW or ELSW ), allowing the software to automatically pick the right symbol even if the specific end-connection varies slightly.
In this example, the skey file defines a valve symbol with a circular shape, a diameter of 20 units, and a red fill color. The symbol also has a label "VALVE" with a font size of 12. autocad plant 3d iso symbol skey
Go back to your Spec Editor or Project Setup. Find your Magnetic Flow Meter part. Change its SKEY property to MAG . Regenerate the ISO. Understanding and Using ISO Symbols in AutoCAD Plant