I need dimensions on 26" 600# raised face flanges that were built in accordance with the flange dimensions on pages 76 and 77 of the Taylor Forge catalogue #571.
I don't have the TF catalogue but its very possible that this flange is part of ASME 16.47 series A or B (formally MSS and API 605). Here's one of many links available:
I have an old copy of the Taylor Forge catalogue, and can confirm that these two pages show sizes that are now essentially the ASME B 16.47 series A (MSS-SP44) rather than the series B (API 605) ones.