ISO 6806:1992

Specifies the minimum requirements for two types of hose assembly: hose assemblies for flux and reflux, but not for insertion between the oil burner pump and the atomizing connection, maximum working pressure 1,0 MPa (10 bar), maximum oil temperature 100 °C (type 1) and hose assemblies for insertion between the oil burner pump and the atomizing connection, working pressure 4,0 MPa (40 bar), maximum oil temperature 100 °C (type 2).