Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Steel flanges shop-only Location of test samples for

Location of test samples for tensile and impact tests

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Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Steel flanges shop-only Location of test samples forThis European Standard for a single series of flanges specifies requirements for circular steel flanges in PN designations PN 2,5 to PN 100 and nominal sizes from DN 10 to DN 4 000. This standard specifies the flange types and their facings, dimensions, tolerances, threading, bolt sizes, flange jointing face surface finish, marking, materials, pressure temperature ratings and approximate flange masses. This standard does not apply to flanges made from