BS EN ISO 7369:2020 pdf free.Pipework – Metal hoses and hose assemblies – Vocabulary.
BS EN ISO 7369 1 Scope  This document defines current terms concerning metal hoses, metal hose assemblies and component parts.
This document applies to: a) stripwound metal hoses and hose assemblies; b) corrugated metal hoses and hose assemblies. NOTE 1
These hoses can be used braided, covered or lined. NOTE 2 Equivalent terms in English, French, German and Dutch are given in Annex A.3.1.1 metal hose metal duct, generally of circular or polygonal section, able to withstand repeated bending without damage
3.1.1.1 stripwound metal hose hose manufactured from a helically wound pre-formed strip, generally with a right-hand lead, where
the turns, with or without packing (3.2.1.2), are connected together by single or double overlapping and flexibility (3.1.11) is obtained by sliding adjacent turns over each other 3.1.1.2 corrugated metal hose pressure-tight hose made from tube or from strip (3.2.1.1) with corrugations, helicoidal or annular to the axis of the hose, made by deforming the metal, and where flexibility (3.1.11) and pliability (3.1.12) are obtained by bending of the corrugations 3.1.2 metal hose assembly assembly of a metal hose (3.1.1) with its end fittings (3.2.2.4) alphanumeric designation of size for components of a pipework system, which is used for reference purposes, and which comprises the letters DN followed by a dimensionless whole number, which is indirectly related to the physical size, in millimetres, of the inside diameter (3.2.1.6) Note 1 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 2 to entry: The definition is adapted from ISO 6708.tubular woven stocking of metal strands (3.2.1.9.1), or textile or plastic threads used to provide pressure strength and/or external protection (3.2.1.10) 3.2.1.9.1 metal braid strand strand group of parallel wires used for plain braid (3.2.1.9) or wires woven together to form a braided strand 3.2.1.9.2 braided braid braid (3.2.1.9) that is manufactured from previously braided strands (3.2.1.9.1) 3.2.1.10 external protection external component partly or wholly covering the hose EXAMPLE Protective coil, stripwound hose, rubber sleeves, fire protection, etc.  BS EN ISO 7369 pdf download.