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  • BSI
    20/30400370 DC BS ISO 10631. Industrial valves. Metallic butterfly valves
    Edition: 2020
    $44.66
    / user per year

Description of 20/30400370 DC 2020

This document specifies the general requirements for design, materials (e.g. steel, cast iron, ductile iron, copper alloy), pressure/temperature ratings and testing for butterfly valves having metallic bodies for use in flanged or butt welding piping systems.

This document applies to metallic butterfly valves used for all industrial applications.

Additional requirements given in the relevant application standards may apply to butterfly valves used for more specific applications (e.g. for the water industry, the chemical and petrochemical process industry, the oil and gas industry).

This document covers butterfly valves of the following nominal sizes, DN and NPS:

  • DN 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500 (550); 600 (650); 700; 750; 800; 900; 1 000; 1 050; 1 200; 1 400; 1 500; 1 600; 1 800; 2 000; 2 200; 2 400.

  • NPS 1 1/2; 2; 2 1/2; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; (22); 24; (26); 28; 30; 32; 36; 40; 42; 48; 54; 56; 60; 64; 66; 72; 78; 80; 84; 88; 90; 96.

This document is applicable to butterfly valves of the following pressure designations, PN and Class:

  • PN 2,5; PN 6; PN 10; PN 16; PN 25; PN 40; PN 63; PN 100;

  • Class 25, 125; 150; 250; 300; 600;

NOTE

Nominal sizes listed pe may not be available in all pressure designations.



Standard Number20/30400370 DC
TitleBS ISO 10631. Industrial valves. Metallic butterfly valves
StatusDefinitive
Publication Date2020-02-18
Identical National Standard OfISO/DIS 10631
DescriptorsPressure testing, Industrial, Gas valves, Liquid valves, Metals, Leak tests, Valves, Test equipment, Fluid equipment
ICS23.060.99 Other valves
CommitteePSE/18
PublisherBSI
Pages26

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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