.ClaRa.Components.VolumesValvesFittings.Valves.GenericValveGas_L1.PressureLoss .ClaRa.Components.VolumesValvesFittings.Valves.GenericValveGas_L1.PressureLossmodel PressureLoss = ClaRa.Components.VolumesValvesFittings.Valves.Fundamentals.QuadraticKV;