ASME B16.42-2016
Ductile Iron Pipe Flanges and Flanged Fittings, Classes 150 and 300
standard by ASME International, 12/19/2016
Full Description
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.