ASME B16.5 Flanges

Class 900B16.47 Series AB16.47 Series BNominalSizeOutsideDia.OWNFThicknessCBFRaisedFaceDia.RHubDia.XBoreBLengthThruHubYDia.Hub atBevelAFilletRadiusrBoltCircleDrillingDia.HolesNo.HolesApprox.Wt.WNFB16.47 Ser A and Ser B are identical in sizes 38" thru 48".38 57.50 7.50 8.50 43.25 42.25 13.88 38.00 0.75 50.75 3.62 20 338540 59.50 7.75 8.81 45.75 44.38 14.31 40.00 0.81 52.75 3.62 24 362042 61.50 8.12 9.12 47.75 46.31 14.63 42.00 0.81 54.75 3.62 24 396044 64.88 8.44 9.56 50.00 48.62 15.38 44.00 0.88 57.62 3.88 24 430046 68.25 8.88 10.06 52.50 50.88 16.18 46.00 0.88 60.50 4.12 24 4640Length thru Hub does not include 1 /4" Raised Face.To be specifiedby purchaser.48 70.25 9.19 10.38 54.50 52.88 16.50 48.00 0.94 62.50 4.12 24 4980Revised 1-99 42