Class 150 WCB Gate Valve Design 24Inch Class 150 WCB Gate Valve Flange Class 150 WCB Gate Valve Class 150 WCB Valve Class 150 WCB Cast Steel Gate Valve 28 Inch Class 150 WCB Gate Valve Class 150 Back Seating Design WCB Gate Valve Class 150 WCB Full Port Design Gate Valve Class 150 WCB Butterfly Valve Class 150 WCB Globe Valve