... :WCB,CF8M,CF3M,Etc Water Vlave Manufacture Cast Steel Electric Gate Valve,Bolted Bonnet,Flanged Ends,Rising Stem. Design & manufacture standard: API6D ... .34, ISO10434.Face to face dimensions: ANSI/ASME B16.10.Flange connection: ANSI/ASME B16.5 for NPS24, ASME B16.47A ...