tray_performance_data — record id valve_isobutane_nbutane_4ft_24in_165psia_ref7 · system description Valve, isobutane-n-butane, 4.0 ft dia, 24 in spacing, 165 psia (Glitsch V1… · value typical 115 · value max 121 · value min 108 | Distillation Tray Efficiency | Engineering Database