BS 437:1978 Specification for cast iron spigot and socket drain pipes and fittings (AMD 5877) (No longer current but cited in Building Regulations guidance)
Requirements for single and double socket drain pipes and fittings of sand cast and centrifugally cast manufacture. Dimensions, mass, hydrostatic strength, crushing strength and coating method. General quality requirements.
Supersedes BS 1130:1943. Superseded by BS 437:2008.
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