American socket weld couplet is similar to socket weld boss except that a straight length of weld ring is furnished. The one side is socket welding connection, and the other side features a beveled transition to a straight length of welding ring.
Available size
| Size | Socket bore dia. B (mm) | Ref. No. |
|---|---|---|
| 1/2″ / DN15 / 21.3mm | 21.8 ~ 22.2 | N2801 |
| 3/4″ / DN20 / 26.7mm | 27.2 ~ 27.6 | N2802 |
| 1″ / DN25 / 33.4mm | 33.9 ~ 34.3 | N2803 |
| 1-1/4″ / DN32 / 42.2mm | 42.7 ~ 43.1 | N2804 |
| 1-1/2″ / DN40 / 48.3mm | 48.8 ~ 49.2 | N2805 |
| 2″ / DN50 / 60.3mm | 61.2 ~ 61.7 | N2806 |
| 2-1/2″ / DN65 / 73.0mm | 73.9 ~ 74.4 | N2807 |
| 3″ / DN80 / 88.9mm | 89.8 ~ 90.3 | N2808 |
| 4″ / DN100 / 114.3mm | 115.2 ~ 115.7 | N2809 |
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