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 (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. NOTE—It is intended that the tolerance grades specified in product standards be selected from this part of ISO 11922, taking into account the material and the intended application.
BS ISO 11922-2-1997由英国标准学会 GB-BSI 发布于 1997-06-15,并于 1997-06-15 实施。
BS ISO 11922-2-1997 在中国标准分类中归属于: G33 塑料型材,在国际标准分类中归属于: 23.040.20 塑料管。
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