Specification for recirculatory filtration fume cupboards Ingestion-build-143074 Simplified procedure for estimating PL

Simplified procedure for estimating PL

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

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Declaration of conformity based on full quality assurance plus design examination:

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Specification for recirculatory filtration fume cupboards Ingestion-build-143074 Simplified procedure for estimating PL1 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;