This European Standard specifies requirements for three types of textile reinforced rubber hoses and hose assemblies of nominal bore from 5 to 100. The types are defined in Clause 3.
They are suitable for use with:
- hydraulic fluids in accordance with ISO 6743 4 with the exception of HRD R, HFD S and HFD at temperatures ranging from -40 °C to 100 °C;
- water-based fluids at temperatures ranging from -40 °C to +70 °C;
- water at temperature ranging from 0 °C to +70 °C.
The European Standard does not include requirements for end fittings. It is limited to the performance of hoses and hose assemblies.
NOTE 1 The hoses are not suitable for use with castor oil based and ester based fluids.
NOTE 2 Hoses and hose assemblies are not be operated outside the limits of this standard.
NOTE 3 Requirements for hydraulic hoses for underground mining are standardized in separate standards.
90.93 Standard confirmed
Dec 3, 2020