butt weld pipe fitting

A butt weld pipe fitting is a weldable pipe fitting that allows for change of direction of flow, to branch off, reduce pipe size or attach auxiliary equipment. All welded pipe fittings have bevelled ends to allow for ease of welding.

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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