Irin alagbara, irin ti ko rọ rọ
Paramita imọ-ẹrọ:Wal-fa 【Wo】
O jẹ koko ti o ti ṣaju ti paipu ibamu, apo adika ati apapọ. Tufun inu jẹ tinrin ti a tinrin ti ko pẹlẹbẹ pẹlu ajija tabi apẹrẹ ewon, ati okun ita ti irin ti okun irin. Awọn isẹpo ati awọn italan ni awọn opin mejeeji ti okun jẹ ibaamu pẹlu awọn ika ati awọn ẹṣẹ ti paipu awọn alabara.
| LiloIwọn opinDN | TinuIwọn opin(mm)ID | Iwọn ila ti ita (mm) | MinMum Bensu | Titẹ ti o pọju (mppa) | |||
| Pipe | Apapo apapoPẹlu Layer kan | Ipinle Ilu | Tosimi | Ideri apapọ apapọ | Ideri asiko meji | ||
| 8 | 8.8 | 13.2 | 14.4 | 50 | 110 | 15 | 15 |
| 10 | 11.7 | 16.5 | 17.7 | 65 | 145 | 18.5 | 18.5 |
| 15 | 13.5 | 19.5 | Nígbà 21.1 | 80 | 180 | 18 | 18 |
| 20 | 20 | 27 | 28.6 | 120 | 270 | 10 | 10 |
| 25 | 27 | 34.5 | 36.1 | 160 | 360 | 6.3 | 6.3 |
| 32 | 32 | 40 | 41,6 | 175 | 400 | 4 | 6.3 |
| 40 | 39.6 | 52 | 53.6 | 225 | 510 | 4 | 5 |
| 50 | 49.7 | 62 | 63.6 | 280 | 640 | 3 | 5 |
| 65 | 61.2 | 80.2 | 81.8 | 410 | 915 | 3 | 5 |
| 80 | 79 | 96.3 | 97.9 | 486 | 1030 | 3 | 4 |
| 100 | 101.2 | 119.6 | 121.2 | 610 | 1340 | 2.5 | 4 |
| 125 | 124.1 | 145.3 | 146.9 | 700 | 1540 | 2.5 | 4 |
| 150 | 149.4 | 180.8 | 182.4 | 810 | 1780 | 2.5 | 4 |
| Ọkẹkọọkan | 176 | 240 | 243.2 | 1000 | 2000 | 2.5 | 4 |
| 250 | 248 | 290 | 294 | 1250 | 25000 | 2.5 | 4 |
| 300 | 298 | 350 | 354 | 1500 | 3000 | 1.6 | 2.5 |
| 350 | 347 | 400 | 354 | 17500 | 35000 | 1.6 | 2.5 |
| 400 | 397.6 | 460 | 464.8 | 2000 | 4000 | 1.6 | 2.5 |