Enumerated type listing possible flow conversion modes for piping calculations. 
   Namespace:   Autodesk.Revit.DB.Plumbing  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109) 
  Since:  2012 
Syntax
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Members
| Member name | Description | 
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| Invalid | A default value which should not be assigned to system types. | 
| Valves | Predominantly flush valves. | 
| Tanks | Predominantly flush tanks. |