Flange Lookup

Flange Lookup is an offline reference for pipe flange dimensions, bolting, facings, flanged-fitting dimensions and pressure-temperature ratings for Classes 150 through 2500, NPS 1/2 through 24. It covers the usual ASME B16.5 range and clearly marks supplemental NPS 22 entries sourced under MSS SP-44. Flange Lookup is part of the Weldbook AI family of apps from Appalachian Integrity LLC. Free access has no expiry and includes available NPS 1-1/4, 3-1/2, 5, 14 and 16 in Classes 150 and 300. A one-time Apple in-app purchase unlocks the full reference. Previous paid Apple customers keep full access without paying again; use Restore purchases if needed. No Appalachian Integrity account, ads or subscription is required. Reference content works offline after access is verified; purchases and restoration may need an Apple connection. What's inside: - Flange dimensions for Classes 150, 300, 400,…