Superseded
Standard
Historical
ASME B16.39-2014
Malleable Iron Threaded Pipe Unions: Classes 150, 250, and 300
Summary
This Standard covers threaded malleable iron unions, classes 150, 250, and 300.It also contains provisions for using steel for NPS 1/8 unions. This Standard includes requirements for design, pressure-temperature ratings, size, marking, materials, joints and seats, threads, hydrostatic strength, tensile strength, air pressure test, sampling, coatings, and dimensions.
Technical characteristics
No products.
Previous versions
01/01/2025
Active
Most Recent
01/01/2014
Superseded
Historical
01/01/2009
Superseded
Historical