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符合ANSI B16.25标准的对焊连接端口尺寸

管道 公称通径 Nominal Pipe 管道目录 Pipe Schedule 螺栓阀帽压力等级 Bolted Bonnet Pressure Class 压力密封 Pressure Seal A 管道外径 Nominal Pipe O.D. 阀门外径 Valve Outside Diameter B 管道内径 Inside Diameter of Pipe C 焊接边缘 镗孔 Bore of Welding Lip 管道壁厚 Wall Thickness of Pipe
150 300 600 900 1500 900 1500 2500
21/2 40 (STD) 80 (XS) 160 XXS x x x x x x x x x x x x x x x 2.875 27/8 2.469 2.323 2.125 1.771 2.479 2.351 2.178 1.868 0.203 0.276 0.375 0.552
3 40 (STD) 80 160 XXS x x x x x x x x x x x x x x x x x x 3.500 319/32 3.068 2.900 2.624 2.300 3.081 2.934 2.692 2.409 0.216 0.300 0.438 0.600
4 40 (STD) 80 120 160 XXS x x x x x x x x x x x x x x x x x x x x x x x x 4.500 45/8 4.026 3.826 3.624 3.438 3.152 4.044 3.869 3.692 3.530 3.279 0.237 0.337 0.438 0.531 0.674
6 40 (STD) 80 (XS) 120 160 XXS x x x x x x x x x x x x x x x x x x x x x x 6.625 625/32 6.065 5.761 5.501 5.189 4.897 6.094 5.828 5.600 5.327 5.072 0.280 0.432 0.562 0.719 0.864
8 40 (STD) 60 80 (XS) 100 120 140 XXS 160 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 8.625 825/32 7.981 7.813 7.625 7.439 7.189 7.001 6.875 6.813 8.020 7.873 7.709 7.546 7.327 7.163 7.053 6.998 0.322 0.406 0.500 0.594 0.719 0.812 0.875 0.906
10 40 (STD) 60 (XS) 80 100 120 140 (XXS) 160 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 10.750 1015/16 10.020 9.750 9.564 9.314 9.064 8.750 8.500 10.070 9.834 9.671 9.452 9.234 8.959 8.740 0.365 0.500 0.594 0.719 0.844 1.000 1.125
12 STD 40 XS 60 80 100 120 140 160 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 12.750 1231/32 12.000 11.938 11.750 11.626 11.376 11.064 10.750 10.500 10.125 12.053 11.999 11.834 11.725 11.507 11.234 10.959 10.740 10.413 0.375 0.406 0.500 0.562 0.688 0.844 1.000 1.125 1.312
14 30 (STD) 40 XS 60 80 100 120 140 160 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 14.000 141/4 13.250 13.124 13.000 12.814 12.500 12.126 11.814 11.500 11.188 13.303 13.192 13.084 12.921 12.646 12.319 12.046 11.771 11.498 0.375 0.438 0.500 0.594 0.750 0.938 1.094 1.250 1.406
16 30 (STD) 40 (XS) 60 80 100 120 140 160 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 16.000 161/4 15.250 15.000 14.688 14.314 13.938 13.564 13.124 12.814 15.303 15.084 14.811 14.484 14.155 13.827 13.442 13.171 0.375 0.500 0.656 0.844 1.031 1.219 1.438 1.594
18 40 60 80 100 120 140 160 x x x x x x x x x x x x x x x x x 18.000 189/32 16.876 16.500 16.126 15.688 15.250 14.876 14.438 16.975 16.646 16.319 15.936 15.553 15.225 14.842 0.562 0.750 0.938 1.156 1.375 1.562 1.781
20 40 60 80 100 120 140 160 x x x x x x x x x x x x x x x x x x x 20.000 205/16 18.814 18.376 17.938 17.438 17.000 16.500 16.064 18.921 18.538 18.155 17.717 17.334 16.896 16.515 0.594 0.812 1.031 1.281 1.500 1.750 1.969
24 30 40 60 80 100 120 140 160 x x x x x x x x x x x x x x x x x x x x x 24.000 243/8 22.876 22.625 22.064 21.564 20.938 20.376 19.875 19.314 22.975 22.757 22.265 21.827 21.280 20.788 20.350 19.859 0.562 0.688 0.969 1.219 1.531 1.812 2.062 2.344
所有尺寸的单位均为英寸。
STD = 标准壁厚
XS = 超强壁厚
XXS = 双倍超强壁厚
注意:阀体端口并没有包括足够的额外材料来适应所有目录管道的壁厚。目录中的x号表示不需要更改即可提供各种通径和压力等级的阀体。如果需要其它焊接端口,请咨询我司。
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