Portable fire extinguishers - Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishers1 Scope This European Standard specifies the rules of design, assembling, inspection and testing of CO2 portable fire extinguishers as far as the pressure risk is concerned. NOTE Annex A gives the classification of the different parts forming the assembly of the portable extinguisher.

Repair of safety fences

It does not apply to supporting structures

the concrete has a consistency for which the Vebe test is unsuitable

ISO 3834-5 provides design considerations for welding joints

BS EN 14456 is applicable to bone charcoal used for the treatment of water intended for human consumption

Matters specific to windows and doors are covered in the relevant product standards

BS EN 61249-2-4 is the second part of the multi-series standard used for interconnecting structures

The hygrometers considered in ISO 6327 may be used for determining water vapour pressure

By applying BS CECC 42100

BS EN 14109 on the determination of potassium content in fat and oil derivatives is useful for:

IEC 60815:1986 and CISPR 18-2:1986

specifications other than those listed in this International Standard are required