THERMOPLASTICS PIPES FOR THE CONVEYANCE OF FLUIDS – DIMENSIONS AND TOLERANCES – PART 1: METRIC SERIES (ISO 11922-1:1997, IDT)
This Malaysian Standard 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 IS0 161-1[1] and nominal wall thicknesses in accordance with IS0 4065[31].
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 IS0 11922, taking into account the material and the intended application.