Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Steel flanges shop-only 5 Requirements

5 Requirements

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This standard applies to the governance of all management processes that relate to information and communication technology services in organizations

Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Steel flanges shop-only 5 RequirementsThis 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