American threaded square head plug is used to plug into the pipe end by male threaded connection, so to block the pipeline and form liquid or gas tight seal.
Available size
| Size | Min length A (mm) | Min square height B (mm) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 14 | 10 | N5401 |
| 3/4″ / DN20 / 26.7mm | 16 | 11 | N5402 |
| 1″ / DN25 / 33.4mm | 19 | 13 | N5403 |
| 1-1/4″ / DN32 / 42.2mm | 21 | 14 | N5404 |
| 1-1/2″ / DN40 / 48.3mm | 21 | 14 | N5405 |
| 2″ / DN50 / 60.3mm | 22 | 18 | N5406 |
| 2-1/2″ / DN65 / 73.0mm | 27 | 19 | N5407 |
| 3″ / DN80 / 88.9mm | 28 | 21 | N5408 |
| 4″ / DN100 / 114.3mm | 32 | 25 | N5409 |
Note: Plugs are not identified by class designation, and they may be used for ratings up to Class 6000 designation.
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