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ISO 3949 hose assemblies textile reinforced type standard

Date:Jun 20, 2019

BS EN ISO 3949 Plastics hoses and hose assemblies Textile-reinforced types for hydraulic applications Specification.

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This International Standard specifies requirements for three types of textile-reinforced thermoplastics hose and hose assembly of nominal size from 3,2 to 25. Each type is divided into two classes dependent on electrical conductivity requirements.

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They are suitable for use with:

— oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743-4 at temperatures ranging from −40 °C to +100 °C;

— water based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743-4 at temperatures ranging from 0 °C to +60 °C

— water at temperatures ranging from 0 °C to +60 °C.

This International Standard does not include requirements for end fittings. It is limited to the

performance of hoses and hose assemblies.

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