There is no such thing as an "error correction patch" for PDFs of standards. Unlike software (e.g., Windows Update or a video game crack), API does not release "hotfixes" for a PDF. If a genuine error exists in API 688, API issues an Errata Sheet or a new Edition (e.g., 3rd Edition).
Fixing typographical or algebraic errors in pulsation attenuation formulas or allowable acoustic pressure limits.
A typo in a formula could lead an analyst to underestimate peak-to-peak pressure pulsations, resulting in an under-designed dampener.
Updating references to match newer editions of companion standards like ASME B31.3 (Process Piping) or API 618.
There is no such thing as an "error correction patch" for PDFs of standards. Unlike software (e.g., Windows Update or a video game crack), API does not release "hotfixes" for a PDF. If a genuine error exists in API 688, API issues an Errata Sheet or a new Edition (e.g., 3rd Edition).
Fixing typographical or algebraic errors in pulsation attenuation formulas or allowable acoustic pressure limits.
A typo in a formula could lead an analyst to underestimate peak-to-peak pressure pulsations, resulting in an under-designed dampener.
Updating references to match newer editions of companion standards like ASME B31.3 (Process Piping) or API 618.