| API 687 Clause | Vendor Requirement | Your "Better" Add-on | | :--- | :--- | :--- | | 7.3.2 | NDE of shaft tapers | Add PAUT + Eddy Current array | | 8.1.5 | Measurement of runout | Add 3D laser scan overlay | | 9.3.1 | Low-speed balance | Insist on balance (not optional) | | 11.1.1 | Final report PDF | Require raw data files (XML, DAT) |
API 687 requires quantitative testing methods to ensure measurable and repeatable data. Common NDT methods used include: API Recommended Practice 687, 2nd Edition api+687+rotor+repair+pdf+download+better
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