tray_performance_data — record id valve_methanol_water_3p2ft_15p7in_14p7psia_14p7pct · system description Valve, methanol-water, 3.2 ft dia, 15.7 in spacing, 14.7 psia, 14.7 pct hole… · value typical 75 · value max 80 · value min 70 | Distillation Tray Efficiency | Engineering Database