ISO 7369:2020 Pipework — Metal hoses and hose assemblies — Vocabulary

ISO 7369:2020 Pipework — Metal hoses and hose assemblies — Vocabulary. 3.1.12 pliability capability of a metal hose (ILl) or tube to be bent easily for installation 3.1.13 bend radius radius measured to the centre line o’ the hose 3.1.14 minimum bend radius minimum radius at which the hose is designed to operate 3.2 Construction 3.2.1 Metal hoses (strlpwound or corrugated) 3.2.1.1 strip sheet metal suitable for cold forming 3.2.1.2 packing component used to improve the leak-tightness of stripwound metal hoses (ILLi) 3.2.1.3 profile geometrical form of a hose wall when sectioned along its axis 3.2.1.4 cross section geometrical form of a hose when sectioned perpendicular to its axis 3.2.1.5 nominal size of metal hose DN alphanumeric designation of size for components of a pipework system, which is used for reference purposes Note ito entry: It comprises the letters I)N followed by a dimensionless whole numbci which is indirectly related to the physical size, in millimetres, of the inside diameter (12.1.6). Note 2 to entry: This defined number does not represent a measurable value and should not be used for calculation purposes except where specified in the relevant standard, Note 3 to entry: The definition Is adapted from Iso 6708. 3.2.1.6 inside diameter bore diameter of the largest sphere which can pass through the hose 3.2.1.7 outside diameter diameter of the cylinder enveloping the hose when in a rectilinear position 3.2.1.8 pitch of hose profile distance between two successive identical points measured on the profile (3.2.1.3) on the rectilinear hose.ISO 7369 pdf download.