Taperpipe NPT Ring Gage L-1 - 3 1/2-8
NPT L1 rings inspect the functional size or hand tight engagement of the pipe, nipple or male threads
- NPT L1 rings inspect the functional size or hand tight engagement of the pipe, nipple or male threads
- NPTF L1 ring gages inspect the functional size or hand tight engagement of the pipe, nipple or male threads
- NPTF L2 ring inspects the wrench engagement threads of a coupling and taper of the external threads and to be used in conjunction or relationship with the NPTF L1
- NPTF 6 step ring gages check the crest truncation or profile of the external threads and are used in conjunction or relationship with the L1 ring
- NPT pipe thread plug and ring gages are manufactured per ANSI/ASME B1.20.1
- NPTF gages are manufactured per ANSI/ASME B1.20.5
- Free NIST certificate
| part | NPTR-13 |
| size | 3-1/2-8 |
