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Malleable Iron Threaded Pipe Unions: Classes 150, 250, and 300
Translate name
STANDARD published on 2025
Designation standards: ASME B16.39:2025
Publication date standards: 2025
SKU: NS-1225934
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: American technical standard
Category: Technical standards 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.
Latest update: 2025-12-14 (Number of items: 2 251 062)
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