ASMEB16.20.JACKETEDGASKET

STD.ASME B1b.20-ENGL19980759b700Lb16969652ASME B16.20-1998METALLIC GASKETS FOR PIPE FLANGESBolt and0.125 in.thickbott holeClearance0.06in.Gasket inside diameterBolt-holeGasket outside diameterdiameterTABLE 21 JACKETED GASKET DIMENSIONS FOR ASME B16.5 FLANGESFlangeGasketSizeInsideGasket Outside Diameter by Class (1)(NPS)Diameter (1)150300400(21600900(31150025001410.881.752.004…2.00”gt2.382.63%1.132.132.50小小2.502.632.881.502.502.75”42.753.003.25141.882.883.133.133.384.00122.133.253.63a 43.633.754.502.884.004.254.25e。5.505.63223.384.755.005.00e。a6.386.5034.255.255.75。g5.756.506.757.635.196.757.006.887.508.008.139.1356.007.638.388.259.389.639.8810.8867.508.639.759.6310.3811.2511.0012.389.3810.8812.0011.8812.5014.0013.7515.1381012411.2513.2514.1314.0015.6317.0017.0018.6313.5016.0016.5016.3817.8819.5020.3821.5014.7517.6319.0018.8819.2520.3822.631616.7520.1321.1321.0022.1322.5025.13119.2521.5023.3823.2524.0025.0027.634+2021.0023.7525.6325.3826.7527.3829.63+2425.2528.1330.3830.1331.0032.8835.38GENERAL NOTE:The gasket-thickness tolerance is +0.03 in.,-0.000 in.NOTES:(1)For gaskets NPS through NPS 24,the outside and inside diameter tolerances are +0.06 in.,-0.000 in.(2)There are no Class 400 flanges NPS through NPS 3 (use Class 600).(3)There are no Class 900 flanges NPS through NPS 2 (use Class 1500)(4)There are no Class 2500 flanges NPS 14 and larger.30