Gate valve Specifications: 1) Design and manufacture: API600/API6D; 2) Flanges: Conforms to ANSI B16.5; 3) Material: Carbon steel (WCB/LCB/LCC), stainless steel (CF8/CF8M, CF3/CF3M); 4) Size: 2 - 24"; 5) Class: 150 - 900lbs; 6) Flange end/BW end.