Lines always have a terminating element. It does not matter whether it is a device or a junction.
Case Description |
Graphic |
Examples |
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Consumer / ServiceConnetionDevice |
Consumers are located at one end of the line. Examples: •House connection •Hydrant •Gas lantern •etc. |
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The special case InternalServiceLine makes it possible to connect additional consumers. |
Consumers can also connect further consumers (also cascade) with InternalServiceLine. |
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Junction |
The line end is closed with a spigot, blind flange or cap (see FittingElement). |
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A valve is inserted between two lines. It can only be placed between two lines. |
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A tapping slider can be placed directly on an intermediate point of a line. This connects a non-interrupted line with a connecting line, which can be switched by the valve. It is not valid at the beginning and end of the line, because in this case two superordinate lines are connected by the valve together with a connecting line. This task is for a tee. Only this can connect these three lines together. |
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Tapping slider with offset valve symbol |
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Important use cases
Lines of the same level (asset group/asset type) can be connected directly to each other without an intermediate or connecting piece (device/junction). It must be taken into account that corresponding junctions must be collected in case of diameter and material changes (recommendation).
Currently, the detection of junctions is not of great importance for the network. As a rule, the same principles apply as for the devices. In addition, the junctions can also be connected on vertices or on lines. Other examples will be described in the future.
The collection of assemblies is very much focused on the rules. Other examples will be described in the future.
Since the naming is individual, it will be described at a later stage.