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BOS 77-2:2024 3rd ed.
P558.60
Components of pressure pipe systems — Part 2: Modified poly (vinyl chloride) (PVC-M) pressure pipe systems — Specification
Description
This standard specifies requirements for modified unplasticized polyvinyl chloride (PVC-M) pipes with integral joints that incorporate rubber sealing rings) and fittings (post-formed from pipe made of PVC-M) that are intended for above-ground and below-ground pressure applications for the conveyance of potable water in reticulation systems and for other applications, in which continuous temperatures in excess of 25 °C are not encountered. Minimum wall thicknesses based on a design stress rating of 18 MPa are given for pipes of nominal outside diameter 50 mm to 630 mm. Six classes of pipe are covered, together with post-formed fittings and bends.