BS EN 1092-1:2007 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated. Steel flanges (+A1:2013)
Gives requirements for circular steel flanges in PN designations PN 2,5 to PN 400 and nominal sizes from DN 10 to DN 4000. Provides details for types, facings, dimensions, tolerances, threading, bolt sizes, surface finishes, marking, materials, ratings, and approximate flange masses.
Supersedes BS EN 1092-1:2007. Amendment dated 30 April 2013 - Implementation of CEN amendment A1:2013.
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