CEN/TC 58 - Safety and control devices for burners and appliances burning gaseous or liquid fuels

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 gas filters for burners and appliances burning one or more gaseous fuels.
This document is applicable to gas filters with declared maximum inlet pressures up to and including 600 kPa and of nominal connection sizes up to and including DN 250.
Addition:
This document is not applicable to:
-   gas filters that are connected directly to mains pipe-work or to a container that maintains a standard distribution pressure.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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 manually operated taps and presetting taps for burners and appliances burning one or more gaseous fuels, hereafter referred to as "taps".
This document is applicable to taps with declared maximum inlet pressures up to and including 50 kPa and of nominal connection sizes up to and including DN 50 for use with one or more fuel gases.
Addition:
This document is not applicable to:
a)   manual operated shut-off valves conforming to EN 331:2015;
b)   controls which use auxiliary energy (e.g. electrical energy supplied externally).
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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
mechanical thermostats intended for use with gas appliances and similar use, hereafter referred to as
“thermostats”.
This document is applicable to thermostats with declared maximum inlet pressures up to and including
50 kPa and of nominal connection sizes up to and including DN 50 for use with one or more fuel gases.
Addition:
This document is applicable to thermostats controlling the gas flow directly or indirectly through an
integral gas valve. This document applies to thermostats used with gas appliances which are not installed
in the open air.
Thermostats dealt with in this document are intended for control functions.
This document is not applicable to:
a) controls which use auxiliary energy (e.g. electrical energy supplied externally);
b) an assessment of the control regarding Performance Level (PL) and Safety Integrity Level (SIL).
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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
pressure regulators and pneumatic gas/air ratio pressure regulators (zero pressure regulators are
included as a special type of pneumatic gas/air ratio pressure regulators) for burners and appliances
burning one or more gaseous fuels, hereafter referred to as “pressure regulators”.
This document is applicable to pressure regulators with declared maximum inlet pressures up to and
including 50 kPa and of nominal connection sizes up to and including DN 250.
Addition:
This document is applicable to:
— pressure regulators which use auxiliary energy;
— pneumatic gas/air ratio pressure regulators, which function by controlling a gas outlet pressure in
response to an air signal pressure, air signal differential pressure, and/or to a furnace pressure signal
(zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure
regulators);
— pneumatic gas/air ratio pressure regulators, which change an air outlet pressure in response to a gas
signal pressure or a gas signal differential pressure.
This document is not applicable to:
— pressure regulators connected directly to a gas distribution network or to a container that maintains
a standard distribution pressure;
— pressure regulators intended for gas appliances to be installed in the open air and exposed to the
environment;
— mechanically linked gas/air ratio controls;
— electronic gas/air ratio controls (EN 12067-2:2022).
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

EN 13611:2019, Clause 1 applies with the following modification:
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 of pressure sensing devices for burners and appliances burning one or more gaseous fuels.
This document is applicable to pressure sensing devices for gaseous fuels, air, or combustion products with declared maximum inlet pressures up to and including 500 kPa.
It applies to all types of pressure sensing devices, including electronic, differential and inferential types.
It also specifies requirements for pressure sensing devices which are intended to be applied to steam boilers and as such need to meet increased reliability requirements.
EN 13611:2019 Clause 1, 4th paragraph is not applicable.

This document gives guidance on hydrogen specific safety, design, construction, and performance requirements and testing of safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning gases with hydrogen content.
The following hydrogen concentrations are covered in this document:
- H2NG (hydrogen in natural gas) blends of 20 % hydrogen; or
- 100 % hydrogen; or
- varying blends / admixtures to natural gas.
Furthermore, it identifies the expected revision needs of the existing CEN/TC 58 standards as well as the need of potential further new standardization deliverables.

EN 13611:2019, Clause 1 is replaced by the following:
This document specifies the safety, design, construction and performance requirements, and testing for automatic burner control systems, programming units, flame detector devices and High Temperature Operation (HTO) detectors, intended for use with gas and oil burners and gas and oil burning appliances, with or without fans and similar use.
This document is applicable to automatic burner control systems that include additional functions.
This document is not applicable to automatic burner control systems utilizing thermo-electric flame supervision devices.
NOTE    Standards for burners, appliances or processes which use automatic burner control systems, programming units, flame detectors or HTO detectors can override the requirements of this document.

EN 13611:2019, Clause 1 is replaced by following:
This document specifies the safety, design, construction and performance requirements, and testing for valve-proving systems, hereafter referred to as “VPS”, intended for use with gas burners and gas-burning appliances burning one or more gaseous fuels.
This document applies to all types of VPS used for the automatic detection of leakage in a gas burner section having at least two automatic shut-off valves, and which give a signal if the leakage of one of the valves, the piping in-between the valves or of the VPS itself and its components exceeds the detection limit.
This document applies to VPS for gases with a maximum inlet pressure up to and including 500 kPa.
This document does not apply to VPSs for use in explosive atmospheres.
This document is applicable to AC and DC supplied VPS (for VPS supplied by stand-alone battery system, battery systems for mobile applications, or VPS which are intended to be connected to DC supply networks, see Annex I).

EN 13611:2019, Clause 1 is replaced by the following:
This document specifies the safety, design, construction and performance requirements, and testing for electronic fuel/air ratio control systems (ERC), electronic fuel/air ratio supervision systems (ERS) and electronic fuel/air ratio trim systems (ERT) intended for use with burners and appliances burning gaseous or liquid fuels. It also describes the procedures for evaluating these requirements and specifies information necessary for installation and use.
This document is applicable to:
-   closed loop fuel/air ratio control systems, see 3.101;
-   fuel/air ratio supervision systems, see 3.102;
-   closed loop fuel/air ratio trim systems, see 3.103;
and does not differentiate into classification by heat input.
NOTE   The documents for burners, appliances or processes which use ERC, ERS or ERT can override the requirements of this document.

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 of more than 500 kPa and up to and including 6 300 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 including the pilot valves for these fluids if actuated electrically and including release valves, but not to any external electrical devices for switching the actuating energy;
-   valves where the flow rate is controlled by external electrical signals proportional to the applied signal;
-   valves fitted with closed position indicator switches.
This document is not applicable to valves specifically designed for use in transmission and distribution networks.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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.

This document specifies the safety, design, construction, performance requirements and testing of Temperature Control Functions (TCF) and Combustion Product Discharge Safety Devices (TTB) for gas and liquid fuel burners and appliances burning one or more gaseous or liquid fuels, hereafter referred to as ‘TCF’ or ‘TTB’.
It also describes the test procedures for checking compliance with these requirements.
This document is applicable to AC and DC supplied TCF and TTB (for TCF and TTB supplied by stand-alone battery system, battery systems for mobile applications or systems which are intended to be connected to DC supply networks, see Annex I).
This document is applicable to electronically based TTB and TCF only.
For both TTB and TCF, the requirements in this document are applicable to the combination of sensing element and control.

EN 13611:2019, Clause 1 is replaced by the following:
This document specifies methods for the classification and assessment of function blocks for burners and appliances burning one or more gaseous or liquid fuels with particular regards to their fault behaviour and preventative measures.
This document is applicable to new control function blocks, not covered by dedicated control standards.

2021-02-23 and 2021-08- TC origine - corrects crosses in Table E.1, 2nd and 3rd columns, row "Transformers:" and Formula (J.9)

This European Standard specifies the general safety, design, construction, and performance requirements and testing of safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning one or more gaseous fuels or liquid fuels. This European Standard is applicable to controls with declared maximum inlet pressure up to and including 500 kPa and of nominal connection sizes up to and including DN 250.
This European standard specifies general product requirements for the following controls:
— automatic shut-off valves;
— automatic burner control systems;
— flame supervision devices;
— gas/air ratio controls;
— pressure regulators;
— manual taps;
— mechanical thermostats;
— multifunctional controls;
— pressure sensing devices;
— valve proving systems;
— automatic vent valves.
This European standard applies for control functions that are not covered by a specific control standard for burners and appliances burning one or more gaseous fuels or liquid fuels.
This European Standard applies also for safety accessories and pressure accessories with a product of the maximum allowable pressure PS and the volume V of less than 600 000 kPa · dm3 (6 000 bar · L) or with a product of PS and DN of less than 300 000 kPa (3 000 bar).
This European Standard applies for AC and DC supplied controls (for controls supplied by stand-alone battery system, battery systems for mobile applications or systems which are intended to be connected to DC supply networks controls see Annex I).
This European Standard is applicable to reset functions used for reset from lockout, e.g. due to ignition failure or temperature cut-out in burners and appliances (see Annex M).
This European Standard establishes methodologies for the determination of a Safety Integrity Level (SIL) and the determination of a Performance Level (PL) (see Annex J, Annex K and Annex L).
This European Standard gives guidelines for environmental aspects (see Annex N).
This European Standard does not apply to mechanical controls for use with liquid fuels.
The protection against environmental impact in open air (i.e. capable of withstanding UV radiation, wind, rain, snow, dirt deposits, condensation, ice and hoar frost (see IEV 441-11-05:2005), earthquake and external fire) is not covered by this standard.
This European Standard should be used in conjunction with the specific control standard (see Bibliography).

This European Standard specifies the safety, construction and performance requirements for combustion product sensing devices intended to be used in combustion control systems, hereinafter referred to as CPSD.
This European Standard applies to sensing devices for the measurement of combustion products from burners and appliances for domestic, commercial and industrial use burning:
-   gaseous fuels according to EN 437; or
-   liquid fuels having a viscosity at the burner inlet of 1,6 mm2/s (cSt) up to 6 mm2/s (cSt) at 20 °C, higher boiling petroleum based first raffinates (viscosity greater than 6 mm2/s), that require preheating for proper atomisation.
This European Standard applies to all types of stationary sensing devices measuring flue gas components O2, CO, CO2, H2, CxHy, NOX, SO2 or for a combination of them (multiple gasses).
This European Standard applies also to sensing devices for extractive systems.
This European Standard does not cover sensor requirements for combustible gas, combustible gas mixture and oil quality.

This European Standard specifies the safety, construction and performance requirements for multifunctional
controls intended for use with gas burners, gas appliances and similar use, hereafter referred to as MFC.
This European Standard is applicable to MFC with declared maximum inlet pressures up to and including
50 kPa (500 mbar) of nominal connection sizes up to and including DN 150 for use with one or more fuel
gases in accordance with EN 437.
MFC consist of two or more functions, at least one of which is a mechanical control, as specified in the
relevant control standards (see Figure 1). MFC consisting only of electronics are not covered by EN 126 (an
example is a combination of functions according to EN 298 and EN 1643).

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 multifunctional controls for burners and appliances burning one or more gaseous fuels, hereafter referred to as ‘MFC’. This document is applicable to MFCs with declared maximum inlet pressures up to and including 50 kPa and nominal connection sizes up to and including DN 150.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.
Addition:
This document is applicable to MFCs consisting of two or more functions, at least one of which is a mechanical control, as specified in the relevant control standard (see Figure 1).
This document is not applicable to MFCs consisting only of electronics (an example is a combination of functions according to EN 298:2022 and EN 1643:2022).

This document gives guidance on hydrogen specific safety, design, construction, and performance requirements and testing of safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning gases with hydrogen content.
The following hydrogen concentrations are covered in this document:
- H2NG (hydrogen in natural gas) blends of 20 % hydrogen; or
- 100 % hydrogen; or
- varying blends / admixtures to natural gas.
Furthermore, it identifies the expected revision needs of the existing CEN/TC 58 standards as well as the need of potential further new standardization deliverables.

This European Standard specifies the general safety, design, construction, and performance requirements and testing of safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning one or more gaseous fuels or liquid fuels. This European Standard is applicable to controls with declared maximum inlet pressure up to and including 500 kPa and of nominal connection sizes up to and including DN 250.
This European standard specifies general product requirements for the following controls:
— automatic shut-off valves;
— automatic burner control systems;
— flame supervision devices;
— gas/air ratio controls;
— pressure regulators;
— manual taps;
— mechanical thermostats;
— multifunctional controls;
— pressure sensing devices;
— valve proving systems;
— automatic vent valves.
This European standard applies for control functions that are not covered by a specific control standard for burners and appliances burning one or more gaseous fuels or liquid fuels.
This European Standard applies also for safety accessories and pressure accessories with a product of the maximum allowable pressure PS and the volume V of less than 600 000 kPa · dm3 (6 000 bar · L) or with a product of PS and DN of less than 300 000 kPa (3 000 bar).
This European Standard applies for AC and DC supplied controls (for controls supplied by stand-alone battery system, battery systems for mobile applications or systems which are intended to be connected to DC supply networks controls see Annex I).
This European Standard is applicable to reset functions used for reset from lockout, e.g. due to ignition failure or temperature cut-out in burners and appliances (see Annex M).
This European Standard establishes methodologies for the determination of a Safety Integrity Level (SIL) and the determination of a Performance Level (PL) (see Annex J, Annex K and Annex L).
This European Standard gives guidelines for environmental aspects (see Annex N).
This European Standard does not apply to mechanical controls for use with liquid fuels.
The protection against environmental impact in open air (i.e. capable of withstanding UV radiation, wind, rain, snow, dirt deposits, condensation, ice and hoar frost (see IEV 441-11-05:2005), earthquake and external fire) is not covered by this standard.
This European Standard should be used in conjunction with the specific control standard (see Bibliography).

This document specifies the safety, design, construction, and performance requirements and testing of electronic pressure and/or flow rate regulators (hereafter referred to as ‘regulators’) for burners and appliances burning one or more gaseous fuels. This document is applicable to regulators with declared maximum inlet pressure up to and including 500 kPa and of nominal connection sizes up to and including DN 250.
This document is applicable to
-   regulators which use auxiliary energy,
-   regulators, which function by controlling a gas outlet pressure or a gas flow rate,
-   regulators with a modular structure specified as a unit,
-   regulators intended for gas appliances to be installed indoor or in the open air and exposed to the environment.
This document does not cover
-   regulators connected directly to a gas distribution network or to a container that maintains a standard distribution pressure.

This European Standard specifies the safety, construction and performance requirements for electronic fuel/air ratio control (ERC), electronic fuel/air ratio supervision (ERS) and electronic fuel/air ratio trim (ERT) intended for use with burners and appliances burning gaseous or liquid fuels. It also describes the test procedures for evaluating these requirements and specifies information necessary for installation and use.
This standard is applicable to
-   closed loop fuel/air ratio controls (see 3.101),
-   fuel/air ratio supervision systems (see 3.102),
-   closed loop fuel/air ratio trim systems (see 3.103) and does not differentiate into classification by heat input.
This standard applies to ERC, ERS or ERT that can be tested independently, as well as part of an appliance or a burner.
NOTE 1 European Standards for burners, appliances or processes which use ERC, ERS or ERT can override the requirements of this standard.
NOTE 2 Provisions for production control are not part of this European Standard.

This European Standard specifies the safety, design, construction and performance requirements and testing for pneumatic pressure regulators and safety devices for burners and appliances burning one or more gaseous fuels, hereafter referred to as ‘pressure regulators’.
This European Standard is applicable to:
-   pressure regulators with declared maximum inlet pressure above 50 kPa up to and including 500 kPa, of nominal connection size up to and including DN 250 for use with one or more fuel gases in accordance with EN 437;
-   pressure regulators incorporating safety devices;
-   pressure regulators which use auxiliary energy; and
-   stand-alone pressure regulators or pressure regulators equipped with a control device for maximum or minimum gas pressure.
NOTE     Stand-alone pressure regulators incorporating one function (i.e. regulation of the downstream pressure) are not covered by EN 126.
This European Standard is not applicable to:
-   pressure regulators that are connected directly to mains pipe-work or to a container that maintains a standard distribution pressure;
-   pressure regulators intended for gas appliances to be installed in the open air and exposed to the environment;
-   safety devices which use auxiliary energy.

This European Standard specifies the safety, design, construction, and performance requirements and testing for gas filters for burners and appliances burning one or more gaseous fuels.
This European Standard is applicable to
-   gas filters with declared maximum inlet pressure up to and including 600 kPa, of nominal connection size up to and including DN 250 for use with one or more fuel gases in accordance with EN 437:2003+A1:2009,
-   gas filters specified as pressure accessories as defined by EU Directive 97/23/EC (see Annex F).
NOTE   For pressure accessories, the requirements of EN 13611:2015, Annex F also applies.
This European Standard is not applicable to gas filters that are connected directly to mains pipe-work or to a container that maintains a standard distribution pressure.

This amendment specifies requirements for gas shut-off function.

This European Standard specifies the safety, construction and performance requirements for pressure regulators and pneumatic gas/air ratio pressure regulators (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulator), intended for use with gas burners, gas appliances and similar use, hereafter referred to as ‘pressure regulators’. This European Standard is applicable to - pressure regulators with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 250 for use with one or more fuel gases in accordance with EN 437, - pressure regulators which use auxiliary energy, - pneumatic gas/air ratio pressure regulators, which function by controlling a gas outlet pressure in response to an air signal pressure, air signal differential pressure, and/or to a furnace pressure signal (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulator), - gas/air ratio pressure regulators which change an air outlet pressure in response to a gas signal pressure or a gas signal differential pressure. This European Standard does not cover - pressure regulators connected directly to gas distribution network or to a container that maintains a standard distribution pressure, - pressure regulators intended for gas appliances to be installed in the open air and exposed to the environment, - mechanically linked gas/air ratio controls, - electronic gas/air ratio controls (EN 12067-2).

Amendment to update valve requirements as presented in N1352

This amendment to EN 13611:2007 specifies requirements and methods for the determination of SIL-classifications according to EN 61508 for electronics of safety and control devices for gas burners and gas burning appliances.

Standardization in the field of gas way of the flame failure devices. The gas passage in the valve should be clearly defined in 3.102 and Annex AA.

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).

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 vent 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 100.
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 fitted with open position indicator switches.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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 pneumatic pressure regulators and safety devices for burners and appliances burning one or more gaseous fuels, hereafter referred to as “pressure regulators”.
This document is applicable to pressure regulators with declared maximum inlet pressures above 50 kPa up to and including 500 kPa and of nominal connection sizes up to and including DN 250.
Addition:
This document is applicable to:
-   pressure regulators incorporating safety devices;
-   pressure regulators and safety devices which use auxiliary energy;
-   stand-alone pressure regulators or pressure regulators equipped with a control device for maximum or minimum gas pressure.
This document is not applicable to:
-   pressure regulators connected directly to a gas distribution network or to a container that maintains a standard distribution pressure;
-   pressure regulators intended for gas appliances to be installed in the open air and exposed to the environment.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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 thermoelectric flame supervision devices, energized by a thermocouple intended for use with burners and appliances burning one or more gaseous fuels, hereafter referred to as “controls”.
This document is applicable to controls with declared maximum inlet pressures up to and including 500 kPa and of nominal connection sizes up to and including DN 50.
Addition:
This document is not applicable to:
-   the thermocouple;
-   controls which use auxiliary energy (e.g. electrical energy supplied externally).
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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 electronic pressure and/or flow rate regulators for burners and appliances burning one or more gaseous fuels, hereafter referred to as “regulators”.
This document is applicable to regulators 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:
-   regulators which use auxiliary energy;
-   regulators, which function by controlling a gas outlet pressure or a gas flow rate;
-   regulators with a modular structure specified as a unit;
-   regulators intended for gas appliances to be installed indoor or in the open air and exposed to the environment.
This document is not applicable to:
-   regulators connected directly to a gas distribution network or to a container that maintains a standard distribution pressure.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

EN 13611:2019, Clause 1 applies with the following modification:
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 of pressure sensing devices for burners and appliances burning one or more gaseous fuels.
This document is applicable to pressure sensing devices for gaseous fuels, air, or combustion products with declared maximum inlet pressures up to and including 500 kPa.
It applies to all types of pressure sensing devices, including electronic, differential and inferential types.
It also specifies requirements for pressure sensing devices which are intended to be applied to steam boilers and as such need to meet increased reliability requirements.
EN 13611:2019 Clause 1, 4th paragraph is not applicable.

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 gas filters for burners and appliances burning one or more gaseous fuels.
This document is applicable to gas filters with declared maximum inlet pressures up to and including 600 kPa and of nominal connection sizes up to and including DN 250.
Addition:
This document is not applicable to:
-   gas filters that are connected directly to mains pipe-work or to a container that maintains a standard distribution pressure.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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 pressure regulators and pneumatic gas/air ratio pressure regulators (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulators) for burners and appliances burning one or more gaseous fuels, hereafter referred to as “pressure regulators”.
This document is applicable to pressure regulators with declared maximum inlet pressures up to and including 50 kPa and of nominal connection sizes up to and including DN 250.
Addition:
This document is applicable to:
-   pressure regulators which use auxiliary energy;
-   pneumatic gas/air ratio pressure regulators, which function by controlling a gas outlet pressure in response to an air signal pressure, air signal differential pressure, and/or to a furnace pressure signal (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulators);
-   pneumatic gas/air ratio pressure regulators, which change an air outlet pressure in response to a gas signal pressure or a gas signal differential pressure.
This document is not applicable to:
-   pressure regulators connected directly to a gas distribution network or to a container that maintains a standard distribution pressure;
-   pressure regulators intended for gas appliances to be installed in the open air and exposed to the environment;
-   mechanically linked gas/air ratio controls;
-   electronic gas/air ratio controls (EN 12067 2:2022).
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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 mechanical thermostats intended for use with gas appliances and similar use, hereafter referred to as “thermostats”.
This document is applicable to thermostats with declared maximum inlet pressures up to and including 50 kPa and of nominal connection sizes up to and including DN 50 for use with one or more fuel gases.
Addition:
This document is applicable to thermostats controlling the gas flow directly or indirectly through an integral gas valve. This document applies to thermostats used with gas appliances which are not installed in the open air.
Thermostats dealt with in this document are intended for control functions.
This document is not applicable to:
a)   controls which use auxiliary energy (e.g. electrical energy supplied externally);
b)   an assessment of the control regarding Performance Level (PL) and Safety Integrity Level (SIL).
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

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 manually operated taps and presetting taps for burners and appliances burning one or more gaseous fuels, hereafter referred to as "taps".
This document is applicable to taps with declared maximum inlet pressures up to and including 50 kPa and of nominal connection sizes up to and including DN 50 for use with one or more fuel gases.
Addition:
This document is not applicable to:
a)   manual operated shut-off valves conforming to EN 331:2015;
b)   controls which use auxiliary energy (e.g. electrical energy supplied externally).
The 4th paragraph of EN 13611:2019, Clause 1 is removed.

This European Standard specifies the safety, construction and performance requirements for pressure sensing devices.
This European Standard covers type testing only.
It applies to pressure sensing devices for the measurement of pressures of combustible gases of the first, second and third families, air, combustion products for maximum inlet pressures up to 500 kPa (5 bar).
It applies to all types of pressure sensing devices, including electronic, differential and inferential types.
It specifies requirements for pressure sensing devices which are intended to be applied to steam boilers and as such need to meet increased reliability requirements. These devices are classified as PSD-S in this European Standard.

This European Standard specifies safety, constructional and performance requirements of valve-proving systems, hereafter referred to as VPS, intended for use with gas burners and gas-burning appliances. It also describes the test procedures for checking compliance with these requirements and provides information necessary for the purchaser and user.
This European Standard applies to all types of VPS which are used for the automatic detection of leakage in a gas burner section having at least two valves designed in accordance with EN 161 and which give a signal if the leakage of one of the valves exceeds the detection limit.
This European Standard applies to VPSs with a maximum working pressure up to and including 500 kPa for use in systems using fuel gases of the 1st, 2nd or 3rd families.
This European Standard does not apply to VPSs for use in explosive atmospheres.
This European Standard is applicable to AC and DC supplied VPS (for VPS supplied by stand-alone battery system, battery systems for mobile applications or systems which are intended to be connected to DC supply networks VPS see Annex I).
Provisions for production control are not part of this European Standard.

This European Standard specifies the safety, construction and performance requirements for automatic burner control systems, programming units and flame detector devices, intended for for similar usages, with gas and oil burners and gas and oil burning appliances, with or without fans. These devices are hereafter referred to generally as "automatic burner control systems”.
This European Standard is applicable to automatic burner control systems that include additional functions.
This European Standard does not cover automatic burner control systems utilizing thermo-electric flame supervision devices.
NOTE 1   European Standards for burners, appliances or processes which use automatic burner control systems, programming units or flame detectors can override the requirements of this standard.
NOTE 2   Provisions for production control are not part of this European Standard.

This European Standard specifies the safety, construction and performance requirements for electronic gas/air ratio control systems (GARCs) intended for use with gas burners and gas burning appliances. It also describes the test procedures for evaluating these requirements and specifies information necessary for installation and use.
This standard is only applicable to closed loop gas/air ratio controls (see 3.1) and does not differentiate into classification by heat input.
This standard applies to electronic GARCs that can be tested independently, as well as part of an appliance or a gas burner.

This European Standard specifies the safety, construction and performance requirements for pressure regulators and pneumatic gas/air ratio pressure regulators (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulator), intended for use with gas burners, gas appliances and similar use, hereafter referred to as ‘pressure regulators’.
This European Standard is applicable to
-   pressure regulators with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 250 for use with one or more fuel gases in accordance with EN 437,
-   pressure regulators which use auxiliary energy,
-   pneumatic gas/air ratio pressure regulators, which function by controlling a gas outlet pressure in response to an air signal pressure, air signal differential pressure, and/or to a furnace pressure signal (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulator),
-   gas/air ratio pressure regulators which change an air outlet pressure in response to a gas signal pressure or a gas signal differential pressure.
This European Standard does not cover
-   pressure regulators connected directly to gas distribution network or to a container that maintains a standard distribution pressure,
-   pressure regulators intended for gas appliances to be installed in the open air and exposed to the environment,
-   mechanically linked gas/air ratio controls,
-   electronic gas/air ratio controls (EN 12067-2).

This European Standard specifies the safety, design, construction and performance requirements and testing for automatic shut-off valves with or without modulating control functions (hereafter referred to as ‘valves’) for burners and appliances burning one or more gaseous fuels according to EN 437:2003+A1:2009.
This European Standard is applicable to valves with declared maximum inlet pressures of more than 500 kPa (5 bar) and up to and including 6 300 kPa (63 bar).
This European Standard is applicable to
-   electrically operated valves and to valves actuated by fluids including the pilot valves for these fluids if actuated electrically and including release valves, but not to any external electrical devices for switching the actuating energy;
-   automatic shut-off valves where the flow rate is controlled by external electrical signals proportional to the applied signal.
This European Standard is not applicable to valves specifically designed for use in transmission and distribution networks.
NOTE   Provisions for final product inspection and testing by the manufacturer are not specified.

This European Standard specifies the safety, construction and performance requirements for thermoelectric flame supervision devices, energized by a thermocouple intended for use with gas burners, gas appliances and similar use, hereafter referred to as "controls".
This European Standard is applicable to controls with declared maximum inlet pressures up to and including 500 kPa (5 bar) of nominal connection sizes up to and including DN 50 for use with one or more fuel gases in accordance with EN 437.
This European Standard is not applicable to:
a)   the thermocouple;
b)   controls which use auxiliary energy (e.g. electrical energy supplied externally).
NOTE   Provisions for final product inspection and testing by the manufacturer are not specified.

This European Standard specifies the safety, construction and performance requirements for automatic vent 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 100 for use with one or more fuel gases in accordance with EN 437:2003+A1:2009;
-   electrically operated 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 fitted with open position indicator switches.
NOTE   Provisions for final product inspection and testing by the manufacturer are not specified.

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.

This European Standard specifies the safety, construction and performance requirements for mechanical thermostats intended for use with gas appliances and similar use, hereafter referred to as ‘thermostats’.
This European Standard applies to thermostats with declared maximum inlet pressures up to and including
50 kPa (500 mbar) of nominal connection sizes up to and including DN 50 for use with one or more fuel gases in accordance with EN 437.
This European Standard applies to thermostats controlling the gas flow directly or indirectly through an integral gas valve, and which do not require external electrical energy for their operation.
This European Standard only applies to thermostats used with gas appliances which are not installed in the open air.
Thermostats dealt with in this European Standard are intended for control functions.

This European Standard specifies the safety, construction and performance requirements for manually operated taps and pre-setting taps intended for use with gas appliances and similar use, hereafter referred to as "taps".
This European Standard is applicable to taps with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 50 for use with one or more fuel gases in accordance with EN 437.
This European Standard does not apply to manual operated shut-off valves conforming to EN 331.