Orifice
Use the Orifice node to introduce additional pressure losses due to use of orifices in the pipe network.
The Orifice node can only be applied to points that are connected to exactly two pipe segments.
Orifice Specification
Select an option from the Type list — Sharp edged (the default), or Round edged.
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For Sharp edged enter an Orifice diameter (SI unit: m).
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For Round edged, enter an Orifice diameter (SI unit: m) and Orifice edge radius (SI unit: m).
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For details about pressure loss calculation, see Orifice in Theory for the Pipe Flow Interface.