Gate Valve Specifications: 1) Design: API 6D 2) Inspection and test: API 6D 3) Face-to-face: ANSI 16.10 / API 6D 4) Flange: ANSIB16.5 / ANSIB16.47 5) Sizes: 1 - 40" 6) Class: 150lb - 2,500lbs 7) Temperature: -29 - 121癈 8) Body / bonnet: WCB / 316 / 304 9) Seat: 13% Cr+PTFE / 316+PTFE / A105+ENP+PTFE 10) Disc: 13% Cr / 316 / A105+ENP 11) Stem: 13% / 316 / 304