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CEN/TC 74
Flanges and their joints

Standardization of flanges and their joints in pipelines and piping systems, for all applications excluding hydraulic and pneumatic load transmission. Definition of "nominal pressure" and "nominal size"; - flanges: dimensions and tolerances, selection of materials, technical conditions of delivery; - bolts, screws and nuts: selection of required bolts, screws and nuts, dimensions, technical conditions of delivery, materials; - gaskets: dimensions and tolerances, materials, technical conditions of delivery; - calculation method for flanges design; - determination of P/T ratings.

National mirror committee of CEN/TC 74

Committee ID Name
NA 178-02-03 AA Flanges and their joints