ASME B16.9 Standard Specification for Buttwelding Fittings

ASME B16.9 is a standard for butt weld pipe fittings including elbow, tee, cross, cap, reducer, and etc. This 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). It covers fittings Read more…