WZIPIE Cast Steel Gate Valves: Wedge disc, OS&Y, BB, BG Size: 2"-36" Class: ANSI 150-2500Lbs Body: WCB, WCC, CF8, CF8M, CF3, CF3M, alloy steel, cast iron, ductile iron etc. End Conn.: RF, RTJ, BW Operation: Handwheel, Gear, Electric, Pneumatic Besides this: we also have Through Conduit Slab Gate valves. for oil, gas, petrochemical etc. industrial applications. We have more than 30years experiences in manufacturing and supply this.