BS ISO 8789:2020
$102.76
Rubber hoses and hose assemblies for liquefied petroleum gas in motor vehicles. Specification
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 18 |
This document specifies the requirements for rubber hoses and hose assemblies, up to a maximum hose size of 19, for use in motor vehicles with liquefied petroleum gas (LPG) installations. The hoses are designed for use up to a maximum working pressure of 3,0 MPa (30 bar) and at working temperatures from ?40 °C up to and including +80 °C.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Materials and construction 4.1 Materials 4.2 Construction 5 Dimensions and tolerance 5.1 Inside diameter 5.2 Minimum bending radii 5.3 Concentricity |
| 11 | 5.4 Length 6 Physical properties of rubber compounds 7 Performance requirements 7.1 General 7.2 Visual examination 7.3 Finished hose and hose assemblies |
| 12 | 8 Requirements for fittings 8.1 Fitting material 8.2 Fitting description 9 Requirements for hose assemblies 9.1 Leakage test 9.2 Minimum burst pressure, proof pressure and permeability to propane 9.3 Visual examination |
| 13 | 10 Frequency of testing 11 Marking 11.1 Hose marking 11.2 Hose assembly marking |
| 15 | Annex A (normative) Test frequency for type tests and routine tests |
| 16 | Annex B (informative) Production acceptance tests |
| 17 | Annex C (informative) Recommendations for lengths of supplied hoses and tolerances on lengths of hose assemblies |
