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A dash-dot outline grouping components in one housing.
Also known as: Assembly boundary symbol, Unit enclosure symbol
In ISO 1219 fluid power diagrams a dash-dot outline drawn around several symbols denotes an enclosure: those components are supplied as a single assembly in one housing.
Groups several component symbols as one physical assembly.
Contexts: Technical drawing
Tells a reader which items are bought as a unit and which are separately plumbed, information the individual symbols do not carry.
Contexts: Technical drawing
A closed outline drawn as alternating long dashes and dots, surrounding a group of component symbols.