| 规格 (SIZE) | Do | d1 | L |
|---|---|---|---|
| DN15 | 26.30 | 20.30 | 55.40 |
| DN20 | 31.90 | 25.30 | 65.40 |
| DN25 | 39.95 | 32.35 | 79.40 |
| DN32 | 49.80 | 40.40 | 95.40 |
| DN40 | 60.25 | 50.45 | 115.40 |
| DN50 | 75.90 | 63.50 | 141.40 |
| DN65 | 88.91 | 75.50 | 165.00 |
| DN80 | 105.15 | 90.55 | 195.00 |
| DN100 | 127.39 | 110.60 | 235.00 |
| DN125 | 161.40 | 140.60 | 296.00 |
| DN150 | 184.50 | 160.70 | 336.00 |
| DN200 | 253.80 | 226.20 | 465.00 |
注：考虑到安全性，最小壁厚应不小于2.0mm。
| 公称直径 | 对应外径 | 英制尺寸 |
|---|---|---|
| DN15 | DE20=20mm | 4分 (1/2) |
| DN20 | DE25=25mm | 6分 (3/4) |
| DN25 | DE32=32mm | 1寸 |
| DN32 | DE40=40mm | 1.2寸 (1-1/4) |
| DN40 | DE50=50mm | 1.5寸 (1-1/2) |
| DN50 | DE63=63mm | 2寸 |
| DN65 | DE75=75mm | 2.5寸 (2-1/2) |
| DN80 | DE90=90mm | 3寸 |
| DN100 | DE110=110mm | 4寸 |
| DN125 | DE140=140mm | 5寸 |
| DN150 | DE160=160mm | 6寸 |
| DN200 | DE225=225mm | 8寸 |
| DN250 | DE280=280mm | 10寸 |
| DN300 | DE315=315mm | 12寸 |
| DN350 | DE355=355mm | 14寸 |
| DN400 | DE400=400mm | 16寸 |
