MEPSection   Velocity   |  
 The velocity pressure of the section. 
 Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Default unit is Kgf per square feet. For Duct, unit type is UT_HVAC_Pressure. For Pipe, unit type is UT_Piping_Pressure