tray_performance_data — record id valve_ethylbenzene_styrene_2p6ft_19p7in_1p9psia · system description Valve, ethylbenzene-styrene, 2.6 ft dia, 19.7 in spacing, 1.9 psia · value typical 80 · value max 85 · value min 75 | Distillation Tray Efficiency | Engineering Database