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BOS 348:2018
P752.40
Ductile iron pipes, fittings, accessories and their joints, for use in high and low pressure systems for potable and foul water — Specification
Description
This Botswana Standard specifies the requirements and associated test methods applicable to ductile iron pipes, fittings, accessories and their joints, for the construction of pipelines to convey water (for example, potable water, sewage) with or without pressure and to be installed below or above ground. NOTE In this standard, all pressures are relative pressures, expressed in bars (100 kPa = 1 bar). This standard covers pipes, fittings and accessories cast by any type of foundry process or manufactured by fabrication of cast components, as well as corresponding joints, in a size range extending from DN 40 to DN 2 000, inclusive.
This standard applies to pipes, fittings and accessories which are:
c) manufactured with socketed, flanged, or spigot ends for jointing by means of various types of gaskets which are not within the scope of this standard;
d) normally delivered externally and internally coated; and
e) suitable for fluid temperatures between 0 °C and 50 °C.