CEN/TC 79 - Respiratory protective devices

This document specifies the nomenclature for typical components of respiratory protective devices. It does not specify which or how many components are used and where they are located in the apparatus.
The illustrations used are given as examples only for the identification of the different parts and the corresponding terms for facilitating the application. The terms and definitions used are given in EN ISO 16972:2020 and EN 135:1998.
The terms are given in the three official CEN languages.

This document specifies minimum requirements for powered Respiratory Protective Devices (RPD) incorporating a tight-fitting respiratory interface. It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency.
Escape RPD and filters for use against CO are not covered by this document.
Laboratory tests and practical performance tests are included for the assessment of compliance with the requirements.

This document specifies minimum requirements for powered filtering Respiratory Protective Devices (RPD) incorporating a loose fitting respiratory interface (RI). It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency.
Escape RPD and filters for use against CO are not covered by this document.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This document refers to gas filters and combined filters for use as replaceable components in unassisted respiratory protective devices (RPD) with the exception of escape devices.
Filters for use against CO are excluded from this document.
Laboratory tests are included for the assessment of compliance with the requirements.
Some filters complying with this document can also be suitable for use with assisted respiratory protective devices and/or escape devices. If so they need to be tested and marked in accordance with the appropriate European Standard.

This document specifies particle filters for use as replaceable components in unassisted respiratory protective devices (RPD) with the exception of escape devices and filtering face pieces.
Laboratory tests are included for the assessment of compliance with the requirements.
Some filters complying with this document can also be suitable for use with other types of respiratory protective devices and/or escape devices. If so, they need to be tested and marked according to the appropriate European Standard.
This document does not cover requirements concerning respiratory hygiene. Requirements for decrease of the microbiological hazards caused by the growth of bacteria and viruses on the filtration material are not determined.

This document specifies methods for flame tests to be applied to respiratory protective devices.

This document defines terms and specifies units of measurement for respiratory protective devices (RPDs), excluding diving apparatus. It indicates graphical symbols that can be required on RPDs, parts of RPD or instruction manuals in order to instruct the person(s) using the RPD as to its operation.
NOTE    Terms and definitions for diving apparatus are given in EN 250.

This document specifies practical performance tests for respiratory protective devices, except for diving apparatus. The purpose of these tests is to subjectively assess certain properties, characteristics and functions of the device, when worn by test subjects in simulated practical use, which cannot be assessed by tests described in other standards.

This European Standard specifies the procedure for testing particle filter penetration for respiratory protective devices.

This document specifies standard threads for respiratory protective devices and the description of test devices necessary for the assessment of some of the requirements.
This document does not apply to diving equipment and to positive pressure demand breathing apparatus.

This document specifies minimum requirements for compressed air line breathing devices with demand valve for use with a full face mask as a respiratory protective device (RPD).
Diving RPD are not covered by this document.
RPD used in abrasive blasting operations without additional protective features are not covered by this document.
Escape RPD, although certain requirements addressing the use in conjunction with escape RPD and escape conditions are given, are not covered by this document.
Laboratory and practical performance tests are included for the assessment of conformance to the requirements.

This document specifies minimum requirements for continuous flow compressed air line breathing devices for use with a full face mask, half mask, hood, helmet or suit, and devices used in abrasive blasting operations, as a Respiratory Protective Device (RPD).
Escape RPD and diving apparatus are not covered by this document.
Laboratory and practical performance tests are included for the assessment of conformance to the requirements.

This document specifies the dimensions and tolerances as well as the impact resistance and marking requirements of inlet connections for connecting cylinder valves to gas cylinders for respiratory protective devices (RPD).

This European Standard specifies the dimensions, tolerances and marking requirements of outlet connections for connecting regulators and cylinder valves for respiratory protective devices except those for diving applications.

This European Standard specifies requirements for the quality of compressed gas supplied for mixing or use in respiratory protective devices and hyper- and hypobaric operations. Account is taken of the use of compressed gases for normal atmospheric pressure as well as for hyper- and hypobaric pressures.
This European Standard does not apply to compressed gases used for medical purposes or for aerospace applications.

This European Standard specifies minimum requirements for self-contained open-circuit compressed air underwater breathing apparatus and their sub-assemblies to ensure a minimum level of safe operation of the apparatus down to a maximum depth of 50 m.

This European Standard specifies minimum requirements for self-contained re-breathing diving apparatus to ensure a minimum level of safe operation of the apparatus. It applies to the following:
-   a maximum depth of 6 m for apparatus using pure oxygen;
-   a maximum depth of 40 m for apparatus using oxygen in nitrogen gas mixtures;
-   a maximum depth of 100 m for apparatus using oxygen and helium or oxygen, nitrogen and helium gas mixtures;
-   water temperatures from 4 °C to 34 °C or outside these temperatures as specified by the manufacturer.

This European Standard specifies minimum requirements for filtering half masks as respiratory protective devices to protect against particles except for escape purposes.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

TC - Modification to 8.6 in the E mother reference version.

This European Standard specifies minimum requirements for free flow surface supplied and free flow surface oriented diving apparatus to ensure a minimum level of safe operation of the apparatus. It applies to the following:
a maximum depth of 50 m for apparatus using:
1)   air or;
2)   oxygen or;
3)   oxygen in nitrogen mixtures (Nitrox) or;
4)   oxygen in helium mixtures (Heliox) or;
5)   oxygen, nitrogen and helium mixtures (Trimix);
water temperatures between 4 °C and 34 °C or outside these temperatures as specified by the manufacturer;
environmental temperatures between -20 °C and 50 °C or outside these temperatures as specified by the manufacturer.
The requirements of this European Standard are intended to take account of the interaction between the wearer, the apparatus, and where possible the environment in which the apparatus is likely to be used.
This European Standard does not cover saturation diving systems, mini bell systems or apparatus used for oxygen decompression only.

This European Standard specifies performance requirements, test methods and marking requirements for half masks (re-usable) without inhalation valves and with separable filters (designed for a maximum of single shift use) to protect against gases or gases and particles or particles only. It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency (oxygen less than 17 % by volume) or for escape purposes.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard specifies the performance requirements, test methods and marking requirements for valved filtering half masks incorporating either gas or combined filters as respiratory protective devices except for escape purposes. It does not cover gas filtering half masks which do not have valves or are fitted only with exhalation valves. It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency (oxygen less than a volume fraction of 17 %).
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard specifies minimum requirements for demand surface supplied and demand surface oriented diving apparatus to ensure a minimum level of safe operation of the apparatus. It applies to the following:
   depths between 0 m and 50 m for apparatus using air, oxygen or oxygen in nitrogen mixtures;
   depths between 0 m and 60 m for apparatus using oxygen, oxygen and helium or oxygen, nitrogen and helium gas mixtures;
   water temperatures between 4 °C and 34 °C or outside these temperatures as specified by the manufacturer.
The requirements of this European Standard are intended to take account of the interaction between the wearer, the apparatus, and where possible the environment in which the apparatus is likely to be used.
This European Standard does not cover saturation diving systems, mini bell systems or apparatus used for oxygen decompression only.

This European Standard specifies minimum performance requirements for self-contained open-circuit compressed air breathing apparatus with full face mask used as respiratory protective devices, except escape apparatus and diving apparatus.
Such equipment is intended for use in work situations where the risk on over pressurisation of the pressure vessels with their valves due to hot environmental conditions is low.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This document refers to filtering devices designed for protection against carbon monoxide (filter self-rescuer). It specifies minimum requirements for filter self-rescuers. This document does not apply to apparatus for work and rescue or to diving apparatus. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard provides guidance on the best practice for establishing and implementing a suitable respiratory protective device programme. It is published to provide a Europe-wide baseline for the selection, use, care and maintenance of respiratory protective devices. It provides guidelines for preparing national guidance in this area. The guidance contained in this European Standard is not intended to be exhaustive, but highlights important aspects to which attention should be given. The recommendations in this European Standard will help to comply with national legislation on this subject where it exists, or with European legislation.
Respiratory protective devices used exclusively in diving and at increased or reduced atmospheric pressures are not covered by this guidance.

This European Standard specifies minimum requirements for self-contained open-circuit compressed air breathing apparatus for escape only, incorporating a hood.
Such equipment is intended for use in work situations where the risk on overpressurisation of the pressure vessels with their valves due to hot environmental conditions is low.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.
This European Standard does not apply to apparatus for work or to diving devices.

This European Standard refers to filtering devices with a hood for personal escape from particulate matter, carbon monoxide and other toxic gases produced by fire. It specifies minimum requirements for this device which is for single use. It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency (oxygen less than 17 % by volume).
Two types of devices are specified; namely, those designed to be carried on the person and those designed to be stored.
This standard specifies devices primarily designed for adult users. Some devices may not be suitable for children.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

TC - Modifications in Figure 9 and 10.4

TC - In E and F versions, replace Figure 1

This European Standard applies to self-contained open-circuit compressed Nitrox underwater breathing apparatus. This European Standard defines additional requirements for Nitrox-SCUBA to those already given in EN 250. The object of the requirements and tests set out in this European Standard is to ensure a minimum level of safe operation for apparatus to the maximum operable depth (MOD) of the used Nitrox-mixture.

This European Standard is applicable to a thread connection used for the connection between a gas cylinder valve and a pressure reducer for respiratory equipment for diving containing breathable nitrox gas with an oxygen content greater than 22 % or oxygen. This European Standard specifies the dimensions and tolerances for connections which are used for respiratory equipment.

This EN specifies minimum requirements for self-contained closed-circuit breathing apparatus, chemical oxygen (KO2, NaCIO3) type and compressed oxygen type, for escape (short: oxygen escape apparatus OEA). This EN does not apply to apparatus for work and rescue and to diving apparatus. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard specifies minimum requirements for lung governed demand self-contained open-circuit compressed air breathing apparatus for escape.
This European Standard does not apply to apparatus for work and rescue or to diving apparatus.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This draft European Standard specifies general and specific procedures for determination of dolomite dust clogging.

This European Standard refers to mouthpiece assemblies for respiratory protective devices, except escape apparatus and diving apparatus.
It specifies minimum requirements for mouthpiece assemblies for use as part of respiratory protective devices.
Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard specifies the test procedure for measuring the carbon dioxide content in the inhaled air (dead space) of respiratory protective devices.

This European Standard specifies temperature, humidity, duration and method of application for climatic conditioning of respiratory protective devices.

This European Standard specifies the general procedure for measurement of breathing resistance of filters for respiratory protective devices and respiratory protective devices incorporating facepieces, except for diving for respiratory protective devices. The requirements and any special conditions for the apparatus, and of filter measurements are described in the relevant device standard.

This draft European Standard specifies the general procedure for determining: (i) the inward leakage of facepieces or (ii) inward leakage of respiratory protective devices (RPD), which is the total inward leakage excluding any filter penetration or (iii) total inward leakage of respiratory protective devices. Sample preparation, selection of test subjects, test procedure and the method of calculation of leakage are included. Two methods are described, one using an aerosol (sodium chloride aerosol) and one using a gas (sulfur hexafluoride).

Amendment on EN 145:1997.

EC - Non publication at OJEC

TC - Correction requested by TC

This European Standard is applicable to self-contained compressed air breathing apparatus designed as positive pressure breathing apparatus.  This European Standard specifies a thread connection, M 45 x 3, which may optionally be used for facepieces for positive pressure breathing apparatus.  This European Standard does not apply to negative pressure breathing apparatus, to closed-circuit breathing apparatus or to diving equipment.

This European Standard is applicable to centre threads for respiratory protective devices. This standard does not apply to diving equipment and to positive pressure demand breathing apparatus.

This European Standard is applicable to respiratory protective devices. It contains a list of terms which are commonly used in the field of respiratory protection. These terms are listed in the three official CEN languages English, French and German and appear in the respective alphabetical order.  The object of this European Standard is to harmonize the terms used in the field of respiratory protective devices and to support their application in the three official CEN languages.  The definitions are given in EN 132:1998

This European Standard specifies minimum requirements for half masks and quarter masks for use as part of respiratory protective devices, except escape apparatus and diving apparatus.  Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard specifies minimum requirements for full face masks for respiratory protective devices.  Full face masks for diving apparatus are not included in the scope of this European Standard.  Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard applies to filters with breathing hoses (non-mask mounted filters) for use as components in unassisted respiratory protective devices to be worn by the wearer, with the exception of escape apparatus and filtering facepieces.  Laboratory tests and practical performance tests are included for the assessment of compliance with the requirements.

This European Standard specifies minimum requirements for self-contained closed-circuit breathing apparatus, compressed oxygen (O2) and compressed oxygen-nitrogen (O2 - N2) types, used as respiratory protective devices, except escape apparatus and diving apparatus.  Laboratory and practical performance tests are included for the assessment of compliance with the requirements.