W . Maass Nederland BV

W. Maass Nederland BVASME B 16.9Lap Joint Stub EndsNotes :(1)(2)(3)(4)(5)NominalPipeSize(NPS)The minimum lap thickness T shall not be less than nominal pipe wall thickness.When used with high pressure flanges, it may be necesssary to increase the length of stub ends in NPS 12 and larger.Such increases in length shall be a matter of agreement between manufacturer and purchaser.When special facings such as tongue and groove, male and female, etc., are employed, additional lap thickness must beprovided and such additional thickness shall be in addition to ( not included in ) the basic length F.These dimensions conform to the radius established for lap joint flanges in ANSI B 16.5, Pipe Flanges and Flanged Fittings.These dimensions conform to standard machined facings shown in ANSI B 16.5. The back face of the lap shall be machinedto conform to the surface on which it seats. Where ring joint facings are to be applied, use dimensions as given in ANSI B 16.5.OutsideDia.PipeWall thickness of PipeSchedule / mmLength(1) , (2)FInch mm 5 S 10 S 40 S 80 S mm mmRadius of Fillet(3) RMin. Nom.& Max.Diameter of Lap(4) GMin.Nom.& Max.OutsideDiameterof BarrelMin. Max.mm mm mm mm mm1/2"3/4"1"1.1/4"21.326.733.442.21.651.651.651.652.112.112.772.772.772.873.383.563.733.914.554.8551 / 7651 / 7651 / 10251 / 10222243335344250633543516420.5525.8832.6141.3822.7628.0934.9543.591.1/2"2"2.1/2"3"48.360.373.088.91.651.652.112.112.772.773.053.053.683.915.165.495.085.547.017.6251 / 10264 / 15264 / 15264 / 1525779688107291104126739210512747.4759.5472.2488.1149.9462.3875.3491.343.1/2"4"5"6"101.6114.3141.3168.32.112.112.772.773.053.053.403.405.746.026.557.118.088.569.5310.9776 / 15276 / 15276 / 20389 / 2039991110111113139156185215140157186216100.81113.51140.51167.49104.04116.66144.35171.278"10"12"14"219.1273.0323.9355.62.773.403.963.963.764.194.574.788.189.279.5312.7012.7012.70102 / 203127 / 254152 / 254152 / 3051111111113131313269322379411270324381413218.29272.26323.06354.81222.07277.19327.99359.9216"18"20"22"406.4457.0508.0559.04.194.194.784.784.784.785.545.54152 / 305152 / 305152 / 305152 / 3051111111113131313468531582690470533584692405.61456.41507.21558.01410.97462.03514.10564.9024"610.05.546.35152 / 305608.81615.70150