ASME B16.5 Flanges

Class 2500ASME B16.5Common DimensionsBoreLength Thru HubNominalSizeOutsideDia.OThk.CRaisedFaceDia.RFilletRadiusrWeldingNeckSocketB1Slip-onB2LapJointB3WeldingNeckY1Slip-onSocketY2LapJointY31/2 5.25 1.19 1.38 0.12 0.88 0.90 2.88 1.56 1.563/4 5.50 1.25 1.69 0.12 1.09 1.11 3.12 1.69 1.691 6.25 1.38 2.00 0.12 1.36 1.38 3.50 1.88 1.881 1 /4 7.25 1.50 2.50 0.19 1.70 1.72 3.75 2.06 2.061 1 /2 8.00 1.75 2.88 0.25 1.95 1.97 4.38 2.38 2.382 9.25 2.00 3.62 0.31 2.44 2.46 5.00 2.75 2.752 1 /2 10.50 2.25 4.12 0.31 2.94 2.97 5.62 3.12 3.123 12.00 2.62 5.00 0.38 3.57 3.60 6.62 3.62 3.624 14.00 3.00 6.19 0.44 4.57 4.60 7.50 4.25 4.255 16.50 3.62 7.31 0.44 5.66 5.69 9.00 5.12 5.126 19.00 4.25 8.50 0.50 6.72 6.75 10.75 6.00 6.008 21.75 5.00 10.62 0.50 8.72 8.75 12.50 7.00 7.0010 26.50 6.50 12.75 0.50 10.88 10.92 16.50 9.00 9.0012 30.00 7.25 15.00 0.50 12.88 12.92 18.25 10.00 10.00To be specified by purchaser.Class 2500 Slip-Ons are not included in ASME B16.5 specifications.Thickness and length through hub do not include 1 /4" raised face.Revised 1-99 16