UML/SysML: In Internal Block Diagrams: If you have a Port with a name that indicates a unique role AND and if there is an ItemFlow on a Connector that implies or suggests the Type of the Port, consider hiding the Type on the Port symbol.

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This is in slight contrast to the following modelling options:

In both cases, the aim is to reduce clutter by removing redundant information (in context).

Note that not showing the Type is ONLY recommended here when there is a clear suggestion of the Type of flowing stuff on a Connector to/from the Port. Showing only the Port name works together with:
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