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ASME B16.4-2011

Gray Iron Threaded Fittings: Classes 125 and 250

This Standard for gray iron threaded fittings, Classes 125 and 250 covers: (a) pressure-temperature ratings (b) size and method of designating openings of reducing fittings (c) marking (d) material (e) dimensions and tolerances (f) threading, and (g) coatings.


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American Society of Mechanical Engineers [asme]


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