ISO 6806:2017
Rubber hoses and hose assemblies for use in oil burners — Specification
ISO 6806:2017 specifies the minimum requirements for rubber hoses and hose assemblies for use in oil burners.
The following two types of hose assembly are specified.
- Type 1: 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 2: Hose assemblies for insertion between the oil burner pump and the atomizing connection; maximum working pressure 4,0 MPa (40 bar); maximum oil temperature 100 °C.
The hose assemblies specified in this document are not intended to be used, without special assessment, for purposes other than oil burner installations.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
5 Dimensions and tolerances
5.1 Inside diameter
5.2 Bend radii
5.3 Thickness of lining and cover
6 Physical requirements for lining and cover
7 Physical requirements for hoses and hose assemblies
7.1 Hydrostatic tests
7.1.1 Proof pressure test
7.1.2 Burst pressure test
7.2 Oil swell
7.3 External pressure test
7.4 Low-temperature flexibility
7.5 Flammability
7.6 Ozone resistance (cover only)
7.7 Impulse test
8 Frequency of testing
9 Type tests
10 Marking
Annex A (normative) Test frequency
Annex B (informative) Production tests
Annex C (normative) Determination of oil swell
Annex D (normative) Determination of resistance to external pressure
Annex E (normative) Determination of flammability
Annex F (normative) Pressure impulse test
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
5 Dimensions and tolerances
5.1 Inside diameter
5.2 Bend radii
5.3 Thickness of lining and cover
6 Physical requirements for lining and cover
7 Physical requirements for hoses and hose assemblies
7.1 Hydrostatic tests
7.1.1 Proof pressure test
7.1.2 Burst pressure test
7.2 Oil swell
7.3 External pressure test
7.4 Low-temperature flexibility
7.5 Flammability
7.6 Ozone resistance (cover only)
7.7 Impulse test
8 Frequency of testing
9 Type tests
10 Marking
Annex A (normative) Test frequency
Annex B (informative) Production tests
Annex C (normative) Determination of oil swell
Annex D (normative) Determination of resistance to external pressure
Annex E (normative) Determination of flammability
Annex F (normative) Pressure impulse test
Bibliography