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CEN

CEN/TC 69/WG 4 - Butterfly valves

To develop butterfly valves standards.

Butterfly valves

To develop butterfly valves standards.

General Information

Status
Active
Parent
CEN/TC 69 - Industrial valves
Standardization Organization
ICS
Directive
Mandate
50
CEN
EN 593:2017(Main)
Industrial valves - Metallic butterfly valves for general purposes
SIST EN 593:2018

This European Standard 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.
For valves subject to European legislation on pressure equipment, EN 16668 applies together with this European Standard.
For industrial process control valves, EN 1349 and EN 60534 2 1 apply together with this European Standard.
For water supply application, EN 1074 1 and EN 1074 2 apply together with this European Standard.
NOTE 1   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 2   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.

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CEN
prEN 593(Main)
Industrial valves - Metallic butterfly valves
oSIST prEN 593:2020

This European Standard 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.
For valves subject to European legislation on pressure equipment, EN 16668 applies together with this European Standard.
For industrial process control valves, EN 1349 and EN 60534 2 1 apply together with this European Standard.
For water supply application, EN 1074 1 and EN 1074 2 apply together with this European Standard.
NOTE 1   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 2   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.

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CEN
EN 593:2009+A1:2011(Main + Amendment)
Industrial valves - Metallic butterfly valves
SIST EN 593:2009+A1:2014

This European Standard specifies requirements for butterfly valves having metallic bodies for use in flanged or butt welding piping systems 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 ; Class 150 ; Class 300.
The DN 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 1000 ; DN 1200 ; DN 1400 ; DN 1600 ; DN 1800 ; DN 2000 ; DN 2200 ; DN 2400.
DN 750 is used only for Class 150 and Class 300.
For special application as industrial process control valves, see EN 1349 and EN 60534-2-1.

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CEN
EN 593:2009(Main)
Industrial valves - Metallic butterfly valves
SIST EN 593:2009

This European Standard specifies requirements for butterfly valves having metallic bodies for use in flanged or
butt welding piping systems 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 ; Class 150 ; Class 300.
The DN 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 1000 ;
DN 1200 ; DN 1400 ; DN 1600 ; DN 1800 ; DN 2000 ; DN 2200 ; DN 2400.
DN 750 is used only for Class 150 and Class 300.
For special application as industrial process control valves, see EN 1349 and EN 60534-2-1.

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CEN
EN 593:2004(Main)
Industrial valves - Metallic butterfly valves
SIST EN 593:2004

This standard specifies requirements for butterfly valves having metallic bodies for use in flanged or butt welding piping systems and used for isolating, regulating or control applications.
The PN and Class ranges are :
¾ PN 2,5 ; PN 6 ; PN 10 ; PN 16 ; PN 25 ; PN 40 ; Class 150 ; Class 300.
The DN range is :
¾ 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 1000 ; DN 1200 ; DN 1400 ; DN 1600 ; DN 1800 ; DN 2000 ; DN 2200 ; DN 2400.
DN 750 is used only for Class 150 and Class 300.
For special application as industrial process control valves, see EN 1349 and EN 60534-2-1.

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CEN
EN 593:1998(Main)
Industrial valves - Metallic butterfly valves
SIST EN 593:2000

This standard specifies requirements for butterfly valves having metallic bodies of designations PN 2,5 to PN 40 and Class 125 to Class 300 inclusive, in the size range DN 40 to DN 2000 for use in flanged or butt welding piping systems and used for isolating, regulating or control applications.  For application as industrial process control valves, see prEN 1349 and EN 60534-2-1.

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50