ISO 27126:2021

Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals — Specification

This document specifies requirements for four types of thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for carrying hydrocarbons, solvents and chemicals. It specifies bore sizes from 25?mm to 300?mm, working pressures from 0,4?MPa (4?bar) to 1,4?MPa (14?bar) and working temperatures from -30?°C to 150?°C, according to type.

Type?1 hoses are suitable for vapour applications. Types?2 to?4 hoses are suitable for liquid applications.

NOTE?1?? See Annex?A concerning the selection of the material for the inner wall of layers and any polymeric coating of the internal wire helix related to the chemical(s) to be conveyed by the hoses and/or hose assemblies.

NOTE?2?? It is intended that the manufacturer be consulted where a polymeric coated internal wire is being considered for use with low conductivity hydrocarbons or chemicals.

This document does not apply to hoses and hose assemblies for:

— aircraft refuelling (see ISO?1825);

— fuel dispensing (see ISO?5772);

— oil burners (see ISO?6806);

— liquefied petroleum gas and liquefied natural gas (see ISO?27127);

— fire fighting (see ISO?14557);

— offshore liquefied natural gas (see EN?1474-2);

— refrigeration circuits.

Edition	2021
Published Date	2021
Published By	International Standardization Organisation
Page Count	23