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BOS 77-1: 2010 ed.2
P592.80
Components of pressure pipe systems — Part 1: Unplasticized poly (vinyl chloride) (PVC-U) pressure pipe systems — Specification
Description
This standard specifies requirements for unplasticized polyvinyl chloride (PVC-U) pipes and injection-moulded fittings that are intended for above-ground and below-ground pressure applications for the conveyance of potable water in reticulation systems and for the other applications in which continuous temperatures in excess of 25 ºC are not encountered. Minimum wall thicknesses are given, based on a design stress rating of 10 MPa for pipes of nominal outside diameter 90 mm or less and 12.5 MPa for pipes of nominal outside diameter 110 mm and more. Seven classes of pipes and three classes of pipe fittings for reticulation systems are covered.