This Malaysian Standard specifies requirements for unplasticized PVC pipe, fittings and accessories suitable for the construction of pipe lines, including foul and surface water sewers. The standard covers pipes and fittings with nominal diameters in the range of 200 mm to 630 mm together with necessary joints and accessories. If it is proposed to use these pipes and fittings with untreated trade waste or with discharges at elevated temperatures, reference should be madetoBSCP31 2 : Part 1 and/or to the manufacturer concerning the suitability of the material for the intended service.
MS 979 Pt.2-1985 history
1985MS 979 Pt.2-1985 Specification for underground sewer pipes and fittings of unplasticized PVC Part 2: Pipes of diameter 200 mm and above