BS 437:1978 Specification for cast iron spigot and socket drain pipes and fittings (AMD 5877) (No longer current but cited in Building Regulations guidance)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.
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
389 Chiswick High Road
Tel: 020 8996 9000