BS 3868:1973 Prefabricated drainage stack units: galvanized steel (Withdrawn)
For use above ground in plumbing systems for soil waste and rainwater. Dimensions of branches, bends, caulking and sanitary sockets, and inspection doors; dimensions and tolerances of assembled units; materials, fabrication, jointing facilities, inspection and marking.
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.
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