ASME B16.42 (2011)

Ductile Iron Pipe Flanges and Flanged Fittings: Classes 150 and 300

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Annotation and contents

This Standard covers minimum requirements for Class 150 and 300 cast ductile iron pipe flanges and flanged fittings. The requirements covered are as follows: (a) pressure-temperature ratings (b) sizes and method of designating openings of reducing fittings (c) marking (d) materials (e) dimensions and tolerances (f) bolts, nuts, and gaskets (g) tests.

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