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管件尺寸偏差规定

发布时间:2019/12/06

ANSI/ASME B16.9
所有管件弯头、三通异径管、搭接管帽180度回转管搭接
公称尺寸坡口处外径端面处内径壁厚中心至端面尺寸全长全高中心至中心尺寸顶端至端面尺寸端面平面度搭接外径搭接厚度搭接圆角半径
(in)D tA、B、C、MF、HEO KUGTR
1/2to21/2+1.52,-0.760.76Not Less Than 87.5% of Nominal Thickness不小于公称壁厚的87.5% 1.521.523.056.356.350.76+0,-0.76+1.52,-0+0,-0.76
3to31/31.521.521.521.523.056.356.350.76+0,-0.76+1.52,-0+0,-0.76
41.521.521.521.523.056.356.350.76+0,-0.76+1.52,-0+0,-1.52
5to8+2.29,-1.521.521.521.526.356.356.350.76+0,-0.76+1.52,-0+0,-1.52
10to18+4.06,-3.053.052.292.296.359.656.351.52+0,-1.52+1.52,-0+0,-1.52
20to24+6.35,-4.834.832.292.296.359.656.351.52+0,-1.52+1.52,-0+0,-1.52
26to30+6.35,-4.834.833.054.839.65      
32to36+6.35,-4.834.834.834.839.65      


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