Share Email Facebook Twitter LinkedIn MEPSection.Velocity Property The velocity of the section. Namespace: Autodesk.Revit.DB.MechanicalAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public double Velocity { get; }Property ValueDouble Remarks In one section, all section members have same velocity. Default unit is Feet per second. For Duct, unit type is UT_HVAC_Velocity. For Pipe, unit type is UT_Piping_Velocity See AlsoReferenceMEPSection ClassAutodesk.Revit.DB.Mechanical Namespace