ASME B16.5 Flanges

Class 1500ASME B16.5Common DimensionsBoreLength Thru HubNominalSizeOutsideDia.OThk.CRaisedFaceDia.RFilletRadiusrWeldingNeckSocketB1Slip-onB2LapJointB3WeldingNeckY1Slip-onSocketY2LapJointY31/2 4.75 0.88 1.38 0.12 0.88 0.90 2.38 1.25 1.253/4 5.12 1.00 1.69 0.12 1.09 1.11 2.75 1.38 1.381 5.88 1.12 2.00 0.12 1.36 1.38 2.88 1.62 1.621 1 /4 6.25 1.12 2.50 0.19 1.70 1.72 2.88 1.62 1.621 1 /2 7.00 1.25 2.88 0.25 1.95 1.97 3.25 1.75 1.752 8.50 1.50 3.62 0.31 2.44 2.46 4.00 2.25 2.252 1 /2 9.62 1.63 4.12 0.31 2.94 2.97 4.12 2.50 2.503 10.50 1.88 5.00 0.38 3.57 3.60 4.62 2.88 2.884 12.25 2.12 6.19 0.44 4.57 4.60 4.88 3.56 3.565 14.75 2.88 7.31 0.44 5.66 5.69 6.12 4.12 4.126 15.50 3.25 8.50 0.50 6.72 6.75 6.75 4.69 4.698 19.00 3.62 10.62 0.50 8.72 8.75 8.38 5.62 5.6210 23.00 4.25 12.75 0.50 10.88 10.92 10.00 6.25 7.0012 26.50 4.88 15.00 0.50 12.88 12.92 11.12 7.12 8.6214 29.50 5.25 16.25 0.50 14.14 14.18 11.75 .— 9.5016 32.50 5.75 18.50 0.50 16.16 16.19 12.25 .— 10.2518 36.00 6.38 21.00 0.50 18.18 18.20 12.88 .— 10.8820 38.75 7.00 23.00 0.50 20.20 20.25 14.00 .— 11.5024 46.00 8.00 27.25 0.50 24.25 24.25 16.00 .— 13.00Thickness and length through hub do not include 1 /4" raised face.To be specified by purchaser.Revised 1-99 14