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  • BSI
    21/30442045 DC BS EN 1759-4. Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 4. Aluminium alloy flanges
    Edition: 2021
    $44.66
    / user per year

Description of 21/30442045 DC 2021

This document specifies requirements for Class designated circular flanges for pipes, valves, fittings and accessories made from aluminium alloy in the range of DN 15 to DN 600 (NPS 1/2 to NPS 24) and Class 150 to Class 300 (see Table 1). This document specifies the types of flanges and their facings, dimensions and tolerances, bolt sizes, surface finish of jointing faces, marking and materials together with associated pressure temperature (p/T) ratings. The flanges are intended to be used for piping as well as for pressure vessels.

Standard Number21/30442045 DC
TitleBS EN 1759-4. Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 4. Aluminium alloy flanges
StatusDefinitive
Publication Date2021-12-16
Identical National Standard OfprEN 1759-4
DescriptorsSurface treatment, Ratings, Designations, Flanges, Flanged fittings, Classification systems, Pipes, Pipe fittings, Valves, Circular shape
ICS23.040.60 Flanges, couplings and joints
CommitteePSE/15
PublisherBSI
Pages22

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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