Specification for recirculatory filtration fume cupboards Ingestion-build-143074 Web services provider

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or to materials having fibrous constituents or to materials containing a filler that will not pass through a 3

Manufacturers and suppliers of oil-based lubrication systems

Specifically it looks at requirements for Group II electrical equipment of protection type ‘n’

Specification for recirculatory filtration fume cupboards Ingestion-build-143074 Web services provider1 Scope This British Standard specifies requirements for fume cupboards designed to recirculate air back to the room after filtering out specified pollutants. This British Standard does not specify requirements for fume cupboards of the type dealt with in BS 7258. This British Standard is not applicable to recirculatory filtration fume cupboards of the following types: recirculatory filtration fume cupboards for work on radioactive materials;