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MSS SP-119-2010
Factory-Made Wrought Belled End Pipe Fittings for Socket-Welding
This Standard Practice covers the design and manufacturing requirements for factory-made wrought belled end pipe fittings for socket-welding formed from either tubular sections or flat material. Included are the overall dimensions, tolerances, materials, socket end details, heat treatment, marking and other requirements for belled end fittings in sizes NPS 1/2 through 12.
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Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]