What is ISO 4079 about?
ISO 4079 discusses hoses and hose assemblies. ISO 4079 specifies requirements for five types of textile-reinforced hydraulic hoses and hose assemblies of nominal size from 5 to 100. 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