prEN 856

Rubber hoses and hose assemblies - Rubber-covered spiral wire reinforced hydraulic type - Specification prEN 856

Publication date:   Oct 10, 2024

Scope

This document specifies requirements for four types of rubber-covered spiral wire reinforced hydraulic hoses and hose assemblies of nominal bore from 6 to 51: Types 4SP, 4SH, R13 and R15. They are suitable for use with:
- hydraulic fluids covered in ISO 6743-4 with the exception of HFD R, HFD S and HFD T at temperatures ranging from −40 °C to +100 °C for types 4SP and 4SH and −40 °C to +120 °C for types R13 and R15;
- water based fluids at temperatures ranging from −40 °C to 70 °C;
- water fluids at temperatures ranging from 0 °C to 70 °C.
The hoses are not suitable for use with castor oil based nor ester-based fluids.
This document does not include requirements for end fittings. It is limited to the performance of hoses and hose assemblies.
NOTE Requirements for hydraulic hoses for underground mining are covered in a different document.