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  • BS 4683-2:1971

BS 4683-2:1971

Specification for electrical apparatus for explosive atmospheres-The construction and testing of flameproof enclosures of electrical apparatus

BSI Group, 03/12/1971

Publisher: BS

File Format: PDF

$166.00$332.74


Published:12/03/1971

Pages:34

File Size:1 file , 1 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

Prescribes constructional features for flameproof enclosures for electrical apparatus for use in flammable or explosive gases or vapours and test requirements to be met. Enclosures are grouped according to their industrial applications and to the dimensions of permitted gaps. Indicates atmospheres for which the groups are appropriate.

Replaces BS 229:1957, which remains current to maintain the validity of existing certificates and to grant supplementary certificates.

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