ASME B16.5 Flanges

Class 75B16.47, Ser. B(formerly API-605)NominalSizeOutsideDia.OWeldingNeckThicknessCBlindRaisedFaceDia.RFilletRadiusrBoreBLengthThruHubYDia.HubatBevelAHubDia.X26 30.00 1.31 1.31 27.75 0.31 2.31 26.06 26.6228 32.00 1.31 1.31 29.75 0.31 2.44 28.06 28.6230 34.00 1.31 1.31 31.75 0.31 2.56 30.06 30.6232 36.00 1.38 1.44 33.75 0.31 2.75 32.06 32.6234 38.00 1.38 1.50 35.75 0.31 2.88 34.06 34.6236 40.69 1.44 1.67 38.00 0.38 3.38 36.06 36.8138 42.69 1.50 1.75 40.00 0.38 3.50 38.06 38.8140 44.69 1.50 1.75 42.00 0.38 3.62 40.06 40.8142 46.69 1.56 1.88 44.00 0.38 3.75 42.06 42.8144 49.25 1.69 1.94 46.25 0.38 4.12 44.06 44.8846 51.25 1.75 2.00 48.25 0.38 4.25 46.06 46.8848 53.25 1.81 2.12 50.25 0.38 4.38 48.06 48.8850 55.25 1.88 2.18 52.25 0.38 4.56 50.06 50.9452 57.38 1.88 2.25 54.25 0.38 4.75 52.06 52.9454 59.38 1.94 2.38 56.25 0.38 4.94 54.06 55.0056 62.00 2.00 2.44 58.50 0.44 5.31 56.06 57.1258 64.00 2.06 2.50 60.50 0.44 5.44 58.06 59.1260 66.00 2.19 2.62 62.50 0.44 5.69 60.06 61.12To be specified by purchaser.Revised 1-99 19