BS 4508-1:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
30-05-1986
English
28-11-1980
Requirements for construction, installation and testing of pipe-in-pipe thermal insulation systems for underground piping systems with a welded steel casing, enclosing the thermally insulated service or product pipe and an air gap, suitable for conveying fluids with any temperature exceeding 5°C in either wet or dry sites.
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