ASME B16.1:2026 Gray iron pipe flanges and flanged fittings: Classes 25, 125, and 250
Publication Year
2026
Document Status
Current
Abstract
Pressure-temperature ratings, sizes and method of designating openings of reducing fittings, marking, materials, dimensions and tolerances, bolting and gaskets pressure testing for gray iron pipe flanges and flanged fittings Classes 25, 125, and 250.
Document History
Supersedes ASME B16.1:2020.
ISBN
9780791877661
Publisher Information
American Society of Mechanical Engineers
Founded in 1880 by a small group of leading industrialists, ASME is a not-for-profit membership organization that enables knowledge sharing and skills development across all engineering disciplines.