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A notched bar holding a valve in its selected position.
Also known as: Detent catch symbol, Position hold symbol
In ISO 1219 fluid power diagrams a notched bar drawn against a valve denotes a detent: a mechanical catch holding the valve in whichever position was last selected.
Holds the valve in its last selected position without a continuing actuating force.
Contexts: Technical drawing
Is the opposite of a spring return: a detented valve stays where it was put, a spring-returned one does not.
Contexts: Technical drawing
A short bar with one or more notches cut into it, drawn against the end of the valve block.