This European Standard specifies the safety, construction and performance requirements for automatic shut-off valves for use with gas burners, gas appliances and similar use, hereafter referred to as ‘valves’.
This European Standard is applicable to valves with declared maximum inlet pressures up to and including 500 kPa (5 bar) of nominal connection sizes up to and including DN 250 for use with one or more fuel gases in accordance with EN 437.
This European Standard is applicable to electrically operated valves and to valves actuated by fluids where the control valves for these fluids are actuated electrically, but not to any external electrical devices for switching the control signal or actuating energy.
An assessment method for valve designs is given by this European Standard.
This European Standard is also applicable to valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal.
This European Standard is also applicable to valves fitted with closed position indicator switches.
NOTE   Provisions for final product inspection and testing by the manufacturer are not specified.

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EN 13611:2019, Clause 1 applies with the following modification and addition:
Modification:
The 1st paragraph of EN 13611:2019, Clause 1 is replaced by:
This document specifies the safety, design, construction, and performance requirements and testing for automatic shut-off valves for burners and appliances burning one or more gaseous fuels, hereafter referred to as “valves”.
This document is applicable to valves with declared maximum inlet pressures up to and including 500 kPa and of nominal connection sizes up to and including DN 250.
Addition:
This document is applicable to:
-   electrically actuated valves;
-   valves actuated by fluids where the control valves for these fluids are actuated electrically, but not to any external electrical devices for switching the control signal or actuating energy;
-   valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal;
-   valves fitted with closed position indicator switches.
An assessment method for valve designs is given by this document.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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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 1 050; 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.

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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 may be used.
For relationship between DN and NPS, see Annex B.

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1.1 This European Standard specifies the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking provisions.
It applies to metallic valves not directly buried for domestic and commercial installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437) and working up to 0,2 × 105 Pa, 0,5 × 105 Pa, 1 × 105Pa, 5 × 105 Pa and 20 × 105Pa and with temperature limits from -5 °C or −20 °C to + 60 °C.
NOTE   "Not directly buried" within the context of this standard means that valves below ground are not in direct contact with earth or other materials e.g. that they are in a protected encasement.
1.2 Valve nominal sizes (DN) covered by this European Standard are as follows: 6, 8, 10, 12, 15, 20, 25, 32, 40, 50, 65, 80, 100.

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This European Standard specifies the requirements for steel globe and globe stop and check valves which are wrought, cast or fabricated in straight, angle or oblique pattern with end connections flanged, butt welding, socket welding or threaded.
This standard is applicable to steel globe and globe stop and check valves mainly used for industrial and general purpose applications. However, they can be used for other applications provided the requirements of the relevant performance standards are met.
The range of nominal sizes covered is:
DN 8; DN 10; DN 12; 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 8 and DN 12 are not used for PN designated flanged end connections.
DN 8, DN 10 and DN 12 are not used for Class designated flanged end connections.
Socket welding end valves and threaded end valves are limited to the range DN 8 to DN 65.
The range of pressure designations covered is:
a) for flanged and butt welding end valves:
- PN 10; PN 16; PN 25; PN 40; PN 63; PN 100;
- Class 150; Class 300; Class 600.
b) for socket welding end valves and threaded end valves:
- PN 40; PN 63; PN 100;
- Class 600; Class 800.
NOTE Class 800 is a Class designation widely used for socket welding and threaded end valves.

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This European Standard specifies the requirements for cast iron globe valves in straight, angle or oblique pattern (see EN 736 2) with flanged or threaded end connections.
This European Standard is applicable to cast iron globe valves mainly used for industrial and general purpose applications. However, they can be used for other applications provided the requirements of the relevant performance standards are met.
The range of nominal sizes covered is:
a) flanged:
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.
b) threaded:
½, ¾, 1, 1¼, 1½, 2.
The range of pressure designations covered is:
a) for flanged end valves:
PN 6; PN 10; PN 16; PN 25; PN 40;
b) for threaded end valves:
PN 6; PN 10; PN 16.

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This European Standard specifies the requirements for cast iron globe valves in straight, angle or oblique pattern (see EN 736 2) with flanged or threaded end connections.
This European Standard is applicable to cast iron globe valves mainly used for industrial and general purpose applications. However, they can be used for other applications provided the requirements of the relevant performance standards are met.
The range of nominal sizes covered is:
a)   flanged:
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.
b)   threaded:
½, ¾, 1, 1¼, 1½, 2.
The range of pressure designations covered is:
a)   for flanged end valves:
PN 6; PN 10; PN 16; PN 25; PN 40;
b)   for threaded end valves:
PN 6; PN 10; PN 16.

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This European Standard specifies the requirements for steel globe and globe stop and check valves which are wrought, cast or fabricated in straight, angle or oblique pattern with end connections flanged, butt welding, socket welding or threaded.
This standard is applicable to steel globe and globe stop and check valves mainly used for industrial and general purpose applications. However, they can be used for other applications provided the requirements of the relevant performance standards are met.
The range of nominal sizes covered is:
DN 8; DN 10; DN 12; 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 8 and DN 12 are not used for PN designated flanged end connections.
DN 8, DN 10 and DN 12 are not used for Class designated flanged end connections.
Socket welding end valves and threaded end valves are limited to the range DN 8 to DN 65.
The range of pressure designations covered is:
a)   for flanged and butt welding end valves:
-   PN 10; PN 16; PN 25; PN 40; PN 63; PN 100;
-   Class 150; Class 300; Class 600.
b)   for socket welding end valves and threaded end valves:
-   PN 40; PN 63; PN 100;
-   Class 600; Class 800.
NOTE   Class 800 is a Class designation widely used for socket welding and threaded end valves.

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ISO 21787:2006 specifies requirements for the design, functional characteristics and manufacture of globe valves made of thermoplastics materials intended for isolating and control service, their connection to the pipe system, the body materials and their pressure/temperature rating between -40 degrees Celsius and +120 degrees Celsius, for a lifetime of 25 years, and also specifies their tests.
ISO 21787:2006 is applicable to hand- or power-operated valves to be installed in industrial pipe systems, irrespective of the field of application and the fluids to be conveyed.
It International Standard is concerned with the range of DN 10; DN 15, DN 20, DN 25, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125 and DN 150, and the range of PN 6, PN 10, PN 16 and Class 150.

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This European Standard specifies requirements and tests for globe valves of thermoplastics materials for isolating and control service.
This standard is applicable to hand or power operated valves to be installed in industrial pipe systems, irrespective of the field of application and the fluids to be conveyed. For other and/or special applications special requirements may apply.
The range of DN is :
DN 15, DN 20, DN 25, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125 und DN 150.
The range of PN and Class is :
PN 6, PN 10, PN 16 und Class 150.
The requirements specified by this standard concern the design, functional characteristics and manufacture of diaphragm valves, their connection to the pipe system, the body materials and their pressure/temperature rating between - 40 °C up to + 120 °C, for a lifetime of 25 years.

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ISO 21787:2006 specifies requirements for the design, functional characteristics and manufacture of globe valves made of thermoplastics materials intended for isolating and control service, their connection to the pipe system, the body materials and their pressure/temperature rating between -40 degrees Celsius and +120 degrees Celsius, for a lifetime of 25 years, and also specifies their tests. ISO 21787:2006 is applicable to hand- or power-operated valves to be installed in industrial pipe systems, irrespective of the field of application and the fluids to be conveyed. It International Standard is concerned with the range of DN 10; DN 15, DN 20, DN 25, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125 and DN 150, and the range of PN 6, PN 10, PN 16 and Class 150.

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This European standard applies primarily to copper alloy ball valves, dimensions DN 8 to DN 100, for potable water supply in buildings up to PN 10 and a distribution temperature of 65 °C. Occasional excursions up to 90 °C are permitted for a period of 1 h maximum.
This standard applies also to ball valves in combination with other components in the same body.
This standard specifies:
- the requirements of the materials and the design of ball valves;
- the mechanical, hydraulic and acoustic requirements of ball valves;
- the test methods to verify the requirements of ball valves;
- the marking requirements of ball valves.
Ball valves in combination with other valves should fulfil the same requirements.

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Amendment to update valve requirements as presented in N1352

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The intention is to add a further Annex to EN 161 regarding a method for the determination of Performance Level (PL): This Annex is only applicable to valves or valve functions which are declared to comply with performance level requirements (PL) according to EN ISO 13849-1:2008, clauses 1, 2, 3, 4.1, 4.2, 4.5, 7, 8, 9, 10, 11, and annexes C.4, E, and F. This Annex specifies a set of additional requirements to EN 161 to determine the probability of dangerous failures per hour for continuous or high demand mode (PFHD) and the performance level (PL) for electromechanical valves or valve functions used in industrial and thermoprocessing applications (e. g. EN 746-2).

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This European Standard specifies the safety, construction and performance requirements for automatic shut-off valves for use with gas burners, gas appliances and similar use, hereafter referred to as 'valves'. This European Standard is applicable to valves with declared maximum inlet pressures up to and including 500 kPa (5 bar) of nominal connection sizes up to and including DN 250 for use with one or more fuel gases in accordance with EN 437. This European Standard is applicable to electrically operated valves and to valves actuated by fluids where the control valves for these fluids are actuated electrically, but not to any external electrical devices for switching the control signal or actuating energy. An assessment method for valve designs is given by this European Standard. This European Standard is also applicable to valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal. This European Standard is also applicable to valves fitted with closed position indicator switches. This European standard establishes methodologies for the determination of a Performance Level (PL) in accordance with EN 13611:2007+A2:2011, Annexes K and L.

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This European Standard specifies the safety, construction and performance requirements for automatic shut-off valves for use with gas burners, gas appliances and similar use, hereafter referred to as ‘valves’.
This European Standard is applicable to valves with declared maximum inlet pressures up to and including 500 kPa (5 bar) of nominal connection sizes up to and including DN 250 for use with one or more fuel gases in accordance with EN 437.
This European Standard is applicable to electrically operated valves and to valves actuated by fluids where the control valves for these fluids are actuated electrically, but not to any external electrical devices for switching the control signal or actuating energy.
An assessment method for valve designs is given by this European Standard.
This European Standard is also applicable to valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal.
This European Standard is also applicable to valves fitted with closed position indicator switches.
NOTE   Provisions for final product inspection and testing by the manufacturer are not specified.

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This European Standard 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 European Standard 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 may be used.
For relationship between DN and NPS see Annex B.

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This European Standard 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 standard 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; PN 500
-   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 1 200; DN 1 400; DN 1 600; DN 1 800; DN 2 000.
The face-to-face dimensions of flanged automatic steam traps are specified in EN 26554.
For valves in other shell materials than metal the same FTF and CTF dimensions may be used.

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1.1 This European standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking requirements. It applies to valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437).

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This European Standard specifies the safety, construction and performance requirements for automatic shutoff valves for use with gas burners, gas appliances and similar use, hereafter referred to as ‘valves’. This European Standard is applicable to valves with declared maximum inlet pressures up to and including 500 kPa (5 bar) of nominal connection sizes up to and including DN 250 for use with one or more fuel gases in accordance with EN 437. This European Standard is applicable to electrically operated valves and to valves actuated by fluids where the control valves for these fluids are actuated electrically, but not to any external electrical devices for switching the control signal or actuating energy. An assessment method for valve designs is given by this European Standard. This European Standard is also applicable to valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal. This European Standard is also applicable to valves fitted with closed position indicator switches.

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This European Standard specifies the safety, construction and performance requirements for automatic shut-off valves for use with gas burners, gas appliances and similar use, hereafter referred to as ‘valves’.
This European Standard is applicable to valves with declared maximum inlet pressures up to and including 500 kPa (5 bar) of nominal connection sizes up to and including DN 250 for use with one or more fuel gases in accordance with EN 437.
This European Standard is applicable to electrically operated valves and to valves actuated by fluids where the control valves for these fluids are actuated electrically, but not to any external electrical devices for switching the control signal or actuating energy.
An assessment method for valve designs is given by this European Standard.
This European Standard is also applicable to valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal.
This European Standard is also applicable to valves fitted with closed position indicator switches.
NOTE   Provisions for final product inspection and testing by the manufacturer are not specified.

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TC - Correction of Class designation in the two last lines first column of Table 9 - Mechanical engineering

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This European Standard 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 standard 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; PN 500
   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 1 200; DN 1 400; DN 1 600; DN 1 800; DN 2 000.
The face-to-face dimensions of flanged automatic steam traps are specified in EN 26554.
For valves in other shell materials than metal the same FTF and CTF dimensions may be used.

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This European Standard specifies the requirements for steel globe and globe stop and check valves which are wrought, cast or fabricated in straight, angle or oblique pattern with end connections flanged, butt welding, socket welding or threaded. This standard is applicable to steel globe and globe stop and check valves mainly used for industrial and general purpose applications. However they can be used for other applications provided the requirements of the relevant performance standards are met.

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This European Standard specifies the requirements for cast iron globe valves in straight, angle or oblique pattern with flanged or threaded end connections. This standard applies to cast iron globe valves mainly used for industrial and general purpose applications. However they can be used for other applications provided the requirements of the relevant performance standards are met.

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