Share Email Facebook Twitter LinkedIn DuctPressureDropData.Velocity Property The velocity of the duct. Units: (ft/s). Namespace: Autodesk.Revit.DB.MechanicalAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public double Velocity { get; set; }Property ValueDouble See AlsoReferenceDuctPressureDropData ClassAutodesk.Revit.DB.Mechanical Namespace