ASME B16.9

ASME B16.9 Standard covers overall dimensions, tolerances,ratings, testing, and markings for factory-made wrought butt welding fittings in sizes NPS 1⁄2 through NPS 48 (DN 15 through DN 1200).

ASME B 16.28 fittings

ASME B16.28

ASME B16.28 Standard covers ratings, overall dimensions, testing, tolerances, and markings for wrought carbon and alloy steel buttwelding short radius elbows and returns.
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ASME B16.9 Fittings

ASME B16.9 standard specification

ASME B16.9 Standard covers overall dimensions, tolerances,ratings, testing, and markings for factory-made wrought buttwelding fittings in sizes NPS 1⁄2 through NPS 48 (DN 15 through DN 1200).
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