Matching rule reminder
Smallest class with class.maxIn ≥ pipe_npt.
Details
NPT not OD alone · cut oil · square ends · PPE · depressurize.
Reference
NPT threader reference
Worked nominal-NPT examples and class checks for common US ratchet pipe-threader screens.
0.75 in NPT → 100 class
0.75 ≤ 1.0 maxIn → 100 class.
Details
Enter pipe_npt 0.75.
1.25 in NPT → 125 class
Fails 100 (1.25 > 1.0); clears 125 → 125 class.
Details
Enter pipe_npt 1.25.
1.5 in NPT → 200 class
Fails 100/125; clears 200 (1.5 ≤ 2.0) → 200 class.
Details
Enter pipe_npt 1.5.
2.5 in NPT → NO_MATCH
2.5 > 2.0 maxIn ceiling → NO_MATCH.
Details
Do not force a 200 class for this size.
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