Siemens B220FO-SA226.18K BFV 2W 20" 150PSI 120VAC 2 POS HTR NOSiemens B220FO SA226. 18K BFV 2W 20" 150PSI 120VAC 2 POS HTR NOStandard Temp Industrial Butterfly Valve Assembly, 2 way, 20 inch, 150 psi, 120 Vac, 2 position, Heater, Normally Open Additional Information Valve Size20 in Flow Coefficient, Cv7144 Valve TypeTwo way Valve Body StyleRotary Butterfly Port Configuration2 Way Normally open End ConnectionLug Material, valve bodyCast Iron Trim MaterialStainless Steel Butterfly DiscFull Cut Disc Butterfly