公称通径 | 1系外径 | 2系外径 | 国标厚度(mm) | 加厚(mm) |
DN15 | 16 | 16 | 0.8 | 1.0 |
DN20 | 20 | 22.2 | 1.0 | 1.2 |
DN25 | 25.4 | 28.6 | 1.0 | 1.2 |
DN32 | 32 | 34 | 1.2 | 1.5 |
DN40 | 40 | 42.7 | 1.2 | 1.5 |
DN50 | 50.8 | 48.6 | 1.2 | 1.5 |
DN60 | 63.5 | / | 1.5 | 2.0 |
DN65 | 76.1 | / | 2.0 | / |
DN80 | 89 | / | 2.0 | / |
DN100 | 101.6 | 108 | 2.0 | / |