DIN EN 13794 pdf free download

DIN EN 13794 pdf free download. Self-contained closed-circuit breathing apparatus for escape.
6 Requirements
6.1 General
All test specimens shall meet all requirements.
6.2 Design
The apparatus shall be of reliable construction and as compact as possible.
The apparatus shall be designed so as not to interfere with work activities when carried out in accordance with the manufacturers instruction.
The apparatus shall be so designed that there are no protruding parts or sharp edges likely to be caught on projections in narrow passages.
The surface of any part of the apparatus likely to be in contact with the wearer shall be free from sharp edges and burrs.
The apparatus shall be so designed and constructed as to prevent ingress of external atmosphere within the limits set out in this European Standard.
The apparatus shall be so designed that the outside of the container can be cleaned easily.
The apparatus shall be so designed as to prevent the chemical from entering the wearer’s respiratory tract and that saliva or condensate shall not interfere with the function of the apparatus or cause any harmful effect to the wearer. Testing shall be done in accordance with 7.3 and 7.16.
It shall not be possible to initiate a quick start system (if fitted) inadvertently.
Apparatus for special use, i.e. in mining shall meet the requirements given in annex A when tested in accordance with annex A.
Apparatus for training purposes only shall meet the requirements given in annex C when tested in accordance with annex C. Training may also be carried out with the working apparatus.
Testing shall be done in accordance with 7.3.
6.3 Materials
The carrying container and the locking device (where present) shall be adequately protected against corrosion. The materials used shall be able to withstand temperatures and mechanical stress to be expected whilst being carried on the person as well as being stored on machines and vehicles.
Testing shall be done in accordance with 7.3, 7.9.1 and 7.16.
Exposed parts, i.e. those which may be subjected to impact during use of the apparatus shall not be made of aluminium, magnesium, titanium or alloys containing such proportions of these metals as will, on impact, give rise to frictional sparks capable of igniting flammable gas mixtures.
Testing shall be done in accordance with 7.3.
Any container or carrying container making use of such materials shall be adequately protected.
If national regulations allow the use of such containers or carrying containers then when tested for impact and scraping no metal shall be exposed. Where the apparatus is required to be antistatic during escape, materials used shall be antistatic as far as practicable. Testing shall be done in accordance with 7.4. Materials which come into direct contact with the wearer’s skin shall not be known to be likely to cause iritation or any other adverse effect to health. Testing shall be done in accordance with 7.3 and 7.16. Care shall be taken in selecting materials that may come into contact with oxygen to ensure that no oxygen ignition takes place. Testing shall be done in accordance with 7.3. 6.4 Cleaning and disinfecting All parts requiring cleaning and disinfecting shall be able to withstand cleaning and disinfecting agents and procedures as recommended by the manufacturer. Testing shall be done in accordance with 7.15.DIN EN 13794 pdf download.