BS 5501-3:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
11-15-1996
English
12-30-1977
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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