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ISO 11922-2:1997
Thermoplastics pipes for the conveyance of fluids -- Dimensions and tolerances -- Part 2: Inch-based series
This part of ISO 11922 specifies tolerance grades for the outside diameter, out-of-roundness and wall thickness of inch-based thermoplastics pipes for the conveyance of fluids and manufactured with nominal outside diameters and nominal pressures in accordance with ISO 161-2[1] (see annex A).
It is applicable to smooth thermoplastics pipes of constant circular cross-section along the whole length of the pipe, whatever the method of manufacture, the pipe material or the intended application,
International Organization for Standardization [iso]