序号 | 公称通径DN/mm | 钢管外径Do/mm | 钢管壁厚t(最小mm) | 衬胶壁厚/mm | 壁厚偏差/mm | 最大长度(m) | 90°弯头/mm | 异径管/mm | 三通尺寸(衬后)/mm | 三通尺寸(钢件)/mm |
1 | 25 | 33.7 | 3 | 3 | 2.8~3.6 | 1 | R=3D,L=81 | L=100 | L1=L2=H=88 | L1=L2=H=82 |
2 | 32 | 38 | 3 | 3 | 2.8~3.6 | 1 | R=3D,L=102 | L=100 | L1=L2=H=98 | L1=L2=H=92 |
3 | 40 | 48 | 3.5 | 3 | 2.8~3.6 | 1.5 | R=3D,L=126 | L=100 | L1=L2=H=107 | L1=L2=H=101 |
4 | 50 | 57 | 3.5 | 3 | 2.8~3.6 | 1.5 | R=3D,L=156 | L=100 | L1=L2=H=114 | L1=L2=H=108 |
5 | 65 | 76 | 4 | 3 | 2.8~3.6 | 2 | R=2D,L=138 | L=100 | L1=L2=H=126 | L1=L2=H=118 |
6 | 80 | 89 | 4 | 3 | 2.8~3.6 | 2 | R=2D,L=168 | L=100 | L1=L2=H=136 | L1=L2=H=128 |
7 | 100 | 108 | 4 | 3 | 2.8~3.6 | 2.5 | R=2D,L=208 | L=150 | L1=L2=H=165 | L1=L2=H=157 |
8 | 125 | 133 | 4 | 3 | 2.8~3.6 | 2.5 | R=1.5D,L=196 | L=150 | L1=L2=H=185 | L1=L2=H=175 |
9 | 150 | 159 | 4.5 | 3 | 2.8~3.6 | 3 | R=1.5D,L=235 | L=150 | L1=L2=H=205 | L1=L2=H=195 |
10 | 200 | 219 | 6 | 3 | 2.8~3.6 | 3 | R=1.5D,L=311 | L=150 | L1=L2=H=230 | L1=L2=H=218 |
11 | 250 | 273 | 6 | 3 | 2.8~3.6 | 4 | R=D,L=260 | L=200 | L1=L2=H=280 | L1=L2=H=268 |
12 | 300 | 325 | 7 | 3 | 2.8~3.6 | 4 | R=D,L=311 | L=200 | L1=L2=H=305 | L1=L2=H=293 |
13 | 350 | 377 | 7 | 3 | 2.8~3.6 | 5 | R=D,L=362 | L=200 | ||
14 | 400 | 426 | 8 | 3 | 2.8~3.6 | 5 | R=D,L=412 | L=200 | ||
15 | 500 | 3 | 2.8~3.6 | 5 |