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BS EN ISO 12759-3. Fans. Efficiency classification for fans. Part 3. Fans without drives at maximum operating speed Ingestion-build-260237 Creepage distances (cr)

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Creepage distances (cr)

The algebraic formulae discussed in ISO 24678-1 can be useful for estimating the consequences of design fire scenarios

are not within the scope of the present test method

This part of BS 9690 is applicable to the use of the GWT method using the pulse-echo technique with the transducer mounted on the outside of pipes for which the testing is straightforward

BS EN ISO 12759-3. Fans. Efficiency classification for fans. Part 3. Fans without drives at maximum operating speed Ingestion-build-260237 Creepage distances (cr)

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