Malleable Iron Threaded Pipe Unions: Classes 150, 250, and 300
NORMA vydána dne 2020
Označení normy: ASME B16.39:2019
Datum vydání normy: 2020
Počet stran: 22
Přibližná hmotnost: 66 g (0.15 liber)
Země: Americká technická norma
Kategorie: Technické normy ASME
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.