• BS 229:1957

BS 229:1957

Specification. Flameproof enclosure of electrical apparatus

BSI Group , 03/30/1957

Publisher: BS

File Format: PDF

$154.00$309.88


Electrical apparatus enclosures for use in flammable or explosive gases or vapours. Design and construction, tables the grouping of gases and vapours and the corresponding permissible gap dimensions for flanged joints. Treatment of control spindles, shafts, conductors, etc. Appendices detail requirements for certification as flameproof. (See also BS 5501-5).Replaced by BS 4683-2:1971, but remains current to allow for existing certification.

BS 229:1957 History

BS 09/30206527 DC

BS 09/30206527 DC

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BS 5501-5:1977

BS 5501-5:1977

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BS 5501-3:1977

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BS 4683-1:1971

BS 4683-1:1971

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BS 4683-2:1971

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BS 229:1957

BS 229:1957

$154.00 $309.88

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