各种管材公称直径与外径对照表
序号 | 公称直径DN | 外径De | ||||||||
焊接钢管 | 无缝钢管 | 螺旋管 | UPVC管 | PP-R管 | PB管 | 铝塑管 | 铸铁排水管 | 高密度聚乙烯管 | ||
1 | 15 | 21.3 |
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| 20 | 20 | 20 |
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2 | 20 | 26.8 | 28 |
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| 25 | 25 | 25 |
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3 | 25 | 33.5 | 32 |
|
| 32 | 32 | 32 |
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4 | 32 | 42.3 | 38 |
|
| 40 | 40 | 40 |
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5 | 40 | 48 | 48 |
|
| 50 | 50 | 50 |
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|
6 | 50 | 60 | 57 |
| 50 | 63 | 63 | 63 | 50 | 50 |
7 | 65 | 75.5 | 76 |
|
| 75 | 75 | 75 |
| 75 |
8 | 80 | 88.5 | 89 |
| 75 | 90 | 90 | 90 | 75 |
|
9 | 100 | 114 | 108 |
| 110 | 110 | 110 | 110 | 100 | 110 |
10 | 125 | 140 | 133 |
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|
| 125 |
|
11 | 150 | 165 | 159 |
| 160 |
|
|
| 150 | 160 |
12 | 200 |
| 219 | 219 | 200 |
|
|
| 200 | 200 |
13 | 250 |
| 273 | 273 |
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14 | 300 |
| 325 | 325 |
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15 | 350 |
| 377 | 377 |
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|
16 | 400 |
| 426 | 426 |
|
|
|
|
|
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17 | 450 |
| 480 | 480 |
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|
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18 | 500 |
| 530 | 530 |
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|
|
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19 | 600 |
| 630 | 630 |
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第 1 页 共 2 页
序号 | 公称直径 | 焊接 钢管 | 球墨铸铁管 | 玻璃钢夹砂管(RPM管) | 埋地PVC-U 给水管 | 埋地聚乙烯给水管 | 用于给水排水钢塑复合管 | 埋地排水PVC-U 双壁波纹管 | 埋地聚乙烯排水管 | 钢筋混凝土排水管 | 预应力钢筒混凝土管(PCCP) | |
PCCPL | PCCPE | |||||||||||
DN | Dxδ | DN | DN | DN | DN | DN | DN | DN | D | D | D | |
1 | 20 | 25 | 20 | |||||||||
2 | 25 | 32 | 32 | 25 | ||||||||
3 | 32 | 40 | 40 | 32 | ||||||||
4 | 40 | 40 | 50 | 50 | 40 | |||||||
5 | 50 | 57x3.5 | 50 | 63 | 63 | 50 | ||||||
6 | 65 | 65 | 75 | 75 | 65 | |||||||
7 | 80 | 89x4 | 80 | 90 | 90 | 80 | ||||||
8 | 100 | 108x4 | 100 | 110 | 110 | 100 | 110 | |||||
9 | 125 | 133x4 | 125 | 140 | 140 | 125 | 140 | |||||
10 | 150 | 159x4.5 | 150 | 160 | 160 | 150 | 160 | 150 | ||||
11 | 200 | 219x6 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | |||
12 | 250 | 273x8 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | |||
13 | 300 | 325x8 | 300 | 300 | 315 | 315 | 300 | 315 | 300 | 300 | ||
14 | 350 | 377x9 | 350 | 355 | 350 | 355 | ||||||
15 | 400 | 426x9 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | |
第 2 页 共 2 页
序号 | 公称直径 | 焊接 钢管 | 球墨铸铁管 | 玻璃钢夹砂管(RPM管) | 埋地PVC-U 给水管 | 埋地聚乙烯给水管 | 用于给水排水钢塑复合管 | 埋地排水PVC-U 双壁波纹管 | 埋地聚乙烯排水管 | 钢筋混凝土排水管 | 预应力钢筒混凝土管(PCCP) | |
PCCPL | PCCPE | |||||||||||
DN | Dxδ | DN | DN | DN | DN | DN | DN | DN | D | D | D | |
16 | 450 | 480x9 | 450 | 450 | 450 | 450 | 450 | |||||
17 | 500 | 530x9 | 500 | 500 | 500 | 500 | 500 | 500 | 500 | 500 | 500 | |
18 | 600 | 630x9 | 600 | 600 | 630 | 630 | 600 | 630 | 600 | 600 | 600 | |
19 | 700 | 720x9 | 700 | 700 | 710 | 700 | 710 | 700 | 700 | 700 | ||
20 | 800 | 820x9 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | ||
21 | 900 | 920x9 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | ||
22 | 1000 | 1020x9 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | ||
23 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | ||||||
24 | 1200 | 1220x10 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | |||
25 | 1400 | 1420x11 | 1400 | 1400 | 1400 | 1400 | 1350 | 1400 | 1400 | |||
26 | 1500 | 1500 | 1500 | 1500 | ||||||||
27 | 1600 | 1620x12 | 1600 | 1600 | 1600 | 1600 | 1650 | 1600 | ||||
28 | 1800 | 1820x14 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | ||||
29 | 2000 | 2020x14 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | ||||
30 | >.2000 | 2200~ 2600 | 2200~ 2500 | 2200~ 3000 | 2200~ 2400 | 2200~ 4000 | ||||||
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