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DIN EN 1092-1:2018
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2018
This European Standard for a single series of flanges specifies requirements for circular steel flanges in PN designationsPN 2,5 to PN 400 and nominal sizes from DN 10 to DN 4000. This European 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. For the purpose of this European Standard, "flanges" include also lapped ends and collars.This European Standard applies to flanges manufactured in accordance withthe methods described in Table 1. Non-gasketed pipe joints are outside the scope of this European Standard.
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Deutsches Institut für Normung [din]
Deutsches Institut für Normung [din]