A Butt weld laghdú teeIs cineál éfeistiú píopaáit a bhfuil antá trastomhais éagsúla ag príomhphíobán agus píopa brainse (m.sh., príomhphíobán DN100, píopa brainse DN50), a úsáidtear le haghaidh sreabhán a atreorú nó a chumasc. Is é a phríomhghné "laghdú", rud a chiallaíonntrastomhais píopa míchothrom ag na foircinn, agus"tee"Tagraíonn dotrí chalafoirt nasc (ionraon amháin, asraon amháin, agus sreabhadh taobh amháin).
Sonraíocht
| Méid Ainmniúil Píob | Trastomhas lasmuigh ag bevel |
Lár-chun-Críoch | |||
|---|---|---|---|---|---|
| Rith | Asraon | Rith | Asraon | Rith(C) | Asraon(M) |
| 1/2″ | 1/4″ 3/8″ |
21.3 | 13.7 17.3 |
25 | 25 |
| 3/4″ | 3/8″ 1/2″ |
26.7 | 17.3 21.3 |
29 | 29 |
| 1″ | 1/2″ 3/4″ |
33.4 | 21.3 26.7 |
38 | 38 |
| 1 1/4″ | 1/2″ 3/4″ 1″ |
42.2 | 21.3 26.7 33.4 |
48 | 48 |
| 1 1/2″ | 1/2″ 3/4″ 1″ 1 1/4″ |
48.3 | 21.3 26.7 33.4 42.2 |
57 | 57 |
| 2″ | 3/4″ 1″ 1 1/4″ 1 1/2″ |
60.3 | 26.7 33.4 42.2 48.3 |
64 | 44 51 57 60 |
| 2 1/2″ | 1″ 1 1/4″ 1 1/2″ 2″ |
73.0 | 33.4 42.2 48.3 60.3 |
76 | 57 64 67 70 |
| 3″ | 1 1/4″ 1 1/2″ 2″ 2 1/2″ |
88.9 | 42.2 48.3 60.3 73.0 |
86 | 70 73 76 83 |
| 3 1/2″ | 1 1/2″ 2″ 2 1/2″ 3″ |
101.6 | 48.3 60.3 73.0 88.9 |
95 | 79 83 89 92 |
| 4″ | 1 1/2″ 2″ 2 1/2″ 3″ 3 1/2″ |
114.3 | 48.3 60.3 73.0 88.9 101.6 |
105 | 86 89 95 98 102 |
| 5″ | 2″ 2 1/2″ 3″ 3 1/2″ 4″ |
141.3 | 60.3 73.0 88.9 101.6 114.3 |
124 | 105 108 111 114 117 |
| 6″ | 2 1/2″ 3″ 3 1/2″ 4″ 5 |
168.3 | 73.0 88.9 101.6 114.3 141.3 |
143 | 121 124 127 130 137 |
| 8″ | 3 1/2″ 4″ 5″ 6″ |
219.1 | 101.6 114.3 141.3 168.3 |
178 | 152 156 162 168 |
| 10″ | 4″ 5″ 6″ 8″ |
273.0 | 114.3 141.3 168.3 219.1 |
216 | 184 191 194 203 |
| 12″ | 5″ 6″ 8″ 10″ |
323.8 | 141.3 168.3 219.1 273.0 |
254 | 216 219 229 241 |
| 14″ | 6″ 8″ 10″ 12″ |
355.6 | 168.3 219.1 273.0 323.8 |
279 | 238 248 257 270 |
| 16″ | 6″ 8″ 10″ 12″ 14″ |
406.4 | 168.3 219.1 273.0 323.8 355.6 |
305 | 264 273 283 295 305 |
| 18″ | 8″ 10″ 12″ 14″ 16″ |
457.0 | 219.1 273.0 323.8 355.6 406.4 |
343 | 298 308 321 330 330 |
| 20″ | 8″ 10″ 12″ 14″ 16″ 18″ |
508.0 | 219.1 273.0 323.8 355.6 406.4 457.0 |
381 | 324 333 346 356 356 368 |
| 22″ | 10″ 12″ 14″ 16″ 18″ 20″ |
559.0 | 273.0 323.8 355.6 406.4 457.0 508.0 |
419 | 359 371 381 381 394 406 |
| 24″ | 10″ 12″ 14″ 16″ 18″ 20″ 22″ |
610.0 | 273.0 323.8 355.6 406.4 457.0 508.0 559.0 |
432 | 384 397 406 406 419 432 432 |
