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  • BSI
    20/30410943 DC BS EN 558. Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valves
    Edition: 2020
    $44.66
    / user per year

Description of 20/30410943 DC 2020

This document specifies the “face-to-face” (FTF) and “centre-to-face” (CTF) dimensions for PN and Class designated metal valves used in flanged pipe systems.

This document covers valves with the following PN, Class and DN values:

  • PN 2,5; PN 6; PN 10; PN 16; PN 25; PN 40; PN 63; PN 100; PN 160; PN 250; PN 320; PN 400;

  • Class 125; Class 150; Class 250; Class 300; Class 600; Class 900; Class 1 500; Class 2 500;

  • DN 10; DN 15; DN 20; DN 25; DN 32; DN 40; DN 50; DN 65; DN 80; DN 100; DN 125; DN 150; DN 200; DN 250; DN 300; DN 350; DN 400; DN 450; DN 500; DN 600; DN 700; DN 750; DN 800; DN 900; DN 1 000; DN 1050; DN 1 200; DN 1 400; DN 1 600; DN 1 800; DN 2 000.

For valves in other shell materials than metal the same FTF and CTF dimensions can be used.

For relationship between DN and NPS, see Annex B.



Standard Number20/30410943 DC
TitleBS EN 558. Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valves
StatusDefinitive
Publication Date2020-09-17
Identical National Standard OfprEN 558
DescriptorsScrew-down valves, Metals, Check valves, Butterfly valves, Fluid equipment, Ball valves, Dimensional tolerances, Flanges, Dimensions, Gate valves, Diaphragm valves, Valves, Flanged fittings, Designations, Plug valves
ICS23.040.99 Other pipeline components, 23.060.10 Globe valves, 23.060.01 Valves in general
CommitteePSE/18/1
PublisherBSI
Pages57

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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