Specifies tolerance grades for the outside diameter, out-of-roundness and wall thickness of metric thermoplastics pipes for the conveyance of fluids and manufactured with nominal outside diameters and nominal pressures in accordance with ISO 161-1 and no
SANS 11922-1:1997 history
2000SANS 11922-1:1997 Thermoplastics pipes for the conveyance of fluids - Dimensions and tolerances Part 1: Metric series