tray_performance_data — record id valve_cyclohexane_nheptane_4ft_24in_5psia_14p7pct_ref12 · system description Valve, cyclohexane-n-heptane, 4.0 ft dia, 24 in spacing, 5 psia, 14.7 pct hole… · value typical 71 · value max 86 · value min 57 | Distillation Tray Efficiency | Engineering Database