Correspondence of nominal bore, thread diameter in inches and outside diameter of welded, seamless and polymer pipes Nominal pipe bore DN Thread diameter G, inch Outside diameter of pipe Dn Water and gas pipes Welded, seamless pipes Polymer pipes
| Условный диаметр Ду, DN |
Диаметр в дюймах, в т.ч. диаметр резьбы G” |
Наружный диаметр трубы D, мм | |||
| DIN / EN | ВГП | ЭС, БШ | Полимерная | ||
| 10 | 3/8″ | 17,2 | 17 | 16 | 16 |
| 15 | 1/2″ | 21,3 | 21,3 | 20 | 20 |
| 20 | 3/4″ | 26,9 | 26,8 | 26 | 25 |
| 25 | 1″ | 33,7 | 33,5 | 32 | 32 |
| 32 | 1 1/4″ | 42,4 | 42,3 | 42 | 40 |
| 40 | 1 1/2″ | 48,3 | 48 | 45 | 50 |
| 50 | 2″ | 60,3 | 60 | 57 | 63 |
| 65 | 2 1/2″ | 76,1 | 75,5 | 76 | 75 |
| 80 | 3″ | 88,9 | 88,5 | 89 | 90 |
| 90 | 3 1/2″ | 101,6 | 101,3 | 102 | 110 |
| 100 | 4″ | 114,3 | 114 | 108 | 125 |
| 125 | 5″ | 139,7 | 140 | 133 | 140 |
| 150 | 6″ | 168,3 | 165 | 159 | 160 |
| 160 | 6 1/2″ | 177,8 | – | 180 | 180 |
| 200 | 8″ | 219,1 | – | 219 | 225 |
| 225 | 9″ | 244,5 | – | 245 | 250 |
| 250 | 10″ | 273 | – | 273 | 280 |
| 300 | 12″ | 323,9 | – | 325 | 315 |
| 400 | 16″ | 406,4 | – | 426 | 400 |
| 500 | 20″ | 508 | – | 530 | 500 |
| 600 | 24″ | 609,6 | – | 630 | 630 |
| 800 | 32″ | 812,8 | – | 820 | 800 |
| 1000 | 40″ | 1016 | – | 1020 | 1000 |
| 1200 | 48″ | 1219,2 | – | 1220 | 1200 |
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