Share Email Facebook Twitter LinkedIn MEPSection.TotalPressureLoss Property The total pressure loss 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 TotalPressureLoss { get; }Property ValueDouble Remarks It's total of all fittings and segments. Default unit is Kgf per square feet. For Duct, unit type is UT_HVAC_Pressure. For Pipe, unit type is UT_Piping_Pressure. See AlsoReferenceMEPSection ClassAutodesk.Revit.DB.Mechanical Namespace