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  • BSI
    19/30400965 DC BS EN 593. Industrial valves. Metallic butterfly valves
    Edition: 2019
    $44.66
    / user per year

Description of 19/30400965 DC 2019

This document specifies minimum general requirements for butterfly valves having metallic bodies for use with all type of pipe end connections (e.g. wafer, lug, flange, butt welding) and used for isolating, regulating or control applications.

The PN and Class ranges are:

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

  • Class 150; Class 300; Class 600; Class 900.

The size range is:

  • 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 1 050; DN 1 100; DN 1 200; DN 1 400; DN 1 500; DN 1 600; DN 1 800; DN 2 000; DN 2 200; DN 2 400; DN 2 600; DN 2 800; DN 3 000; DN 3 200; DN 3 400; DN 3 600; DN 3 800; DN 4 000.

DN 750 and DN 1 050 are used only for Class 150 and Class 300.

Intermediate DNs are allowed upon agreement between manufacturer and customer.

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 gas distribution industry).

NOTE 1

Industrial applications cover water applications.

For valves subject to European legislation on pressure equipment, EN 16668 applies together with this document.

For industrial process control valves, EN 1349 and EN 60534-2-1 apply together with this document.

For water supply application, EN 1074-1 and EN 1074-2 apply together with this document.

NOTE 2

Butterfly valves for water supply application do not comply with Annex ZA and are not CE marked because they are excluded from the pressure equipment European legislation.

NOTE 3

The range of DN, applicable to each PN, for wafer and wafer lug valve types is as given in the appropriate part of EN 1092 for Type 11 flanges for the applicable material. The range of DN, applicable to each PN, for flanged valve types is as given in the appropriate part of EN 1092 for Type 21 flanges for the applicable material.

The correspondence between DN and NPS is given for information in Annex D.



Standard Number19/30400965 DC
TitleBS EN 593. Industrial valves. Metallic butterfly valves
StatusDefinitive
Publication Date2019-10-31
Identical National Standard OfprEN 593
DescriptorsDesign, Fluid equipment, Temperature, Industrial, Classification systems, Valves, Size, Metals, Flanges, Pressure, Butterfly valves
ICS23.060.30 Gate valves
CommitteePSE/18/3
PublisherBSI
Pages39

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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