螺纹弯头、三通、四通参数
公称通径 Nominal Diameter 中心至端面 Center to End 外径 Outside Diameter D 壁厚 Wall Thickness 螺纹长度 Length of Thread
A D Cmin
弯头、三通、四通 Elbow、Tee、Cross 45°弯头 45°Elbow
DN NPS 2000LB 3000LB 6000LB 2000LB 3000LB 6000LB 2000LB 3000LB 6000LB 2000LB 3000LB 6000LB NPT Rc
Sch80 Sch160 XXS Sch80 Sch160 XXS Sch80 Sch160 XXS Sch80 Sch160 XXS
6 1/8 21 21 25 17 17 19 22 22 25
3.0
3.0
6.5
6.5
6.5
8 1/4 21 25 29 17 19 22 22 25 33
3.0
3.5
6.5
8.0 10.0
10 3/8 25 29 33 19 22 25 25 33 38
3.0
3.5
7.0
9.0 10.5
15 1/2 29 33 38 22 25 29 33 38 46
3.0
4.0
8.0 11.0 13.5
20 3/4 33 38 44 25 29 33 38 46 56
3.0
4.5
8.5 12.5 14.0
25 1 38 44 51 29 33 35 46 56 62
3.5
5.0 10.0 14.5 17.5
32
1.1/4 44 51 60 33 35 43 56 62 75
4.0
5.5 10.5 17.0 18.0
40
1.1/2 51 60 64 35 43 44 62 75 84
4.0
5.5 11.0 18.0 18.5
50 2 60 64 83 43 45 52 75 84 102
4.5
7.0 12.0 19.0 19.0
65
2.1/2 76 83 95 52 52 64 92 102 121
5.5
7.5 15.5 23.5 29.0
80 3 86 96 106 64 64 79 110 121 146
6.0
9.0 16.5 26.0 30.0
100 4 106 114 114 79 79 79 146 152 152
6.5 11.0 18.5 27.5 33.0
上述尺寸符合GB/T14626、ANSI B16.11、BSP3799标准