JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Flow Element SettingDescription Orifice Plate Thickness The thickness of the orifice plate in a flow element; the length of the flow element is the orifice plate thickness plus two weld neck lengths. Constant: *DPAR-ORIFACE-PLATE-THICKNESS* English: 0.125 in Metric: 3.0 mm Parent topic: Setup Variables