
ASME B16.1
ASME B16.1-2026: Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250
CDN $210.00
This publication was last reviewed and confirmed in 2020.
Description
This Standard for Classes 25, 125, and 250 Cast Iron Pipe Flanges and Flanged Fittings. It includes (a) pressure-temperature ratings, (b) sizes and method of designating openings of reducing fittings, (c) marking, (d) materials, (e) dimensions and tolerances, (f) bolting and gaskets (g) pressure testing.
Edition
2026
Published Date
2026-06-12
Status
Current
Pages
49
Format 
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Abstract
This Standard for Classes 25, 125, and 250 Cast Iron Pipe Flanges and Flanged Fittings. It includes (a) pressure-temperature ratings, (b) sizes and method of designating openings of reducing fittings, (c) marking, (d) materials, (e) dimensions and tolerances, (f) bolting and gaskets (g) pressure testing.








