• BS 5501-3:1977

BS 5501-3:1977

Electrical apparatus for potentially explosive atmospheres-Pressurized apparatus 'p'

BSI Group , 12/30/1977

Publisher: BS

File Format: PDF

$95.00$190.50


Pressurized apparatus in which entry of a flammable gas into the apparatus enclosure is prevented by maintaining within the enclosure a protective gas, usually air, at a pressure above the external atmosphere. Supplements Part 1.

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