ISO 2929:2021
Rubber hoses and hose assemblies for bulk fuel delivery by truck — Specification
This document specifies the requirements for two groups of rubber hoses and rubber hose assemblies for loading and discharge of liquid hydrocarbon fuels with a maximum working pressure of 1,0 MPa (10 bar).
Both groups of hoses are designed for
a) use with hydrocarbon fuels having an aromatic-hydrocarbon content not exceeding 50 % by volume and containing up to 15 % of oxygenated compounds, and
b) operation within the temperature range of −30 °C to +70 °C, undamaged by climatic conditions of −50 °C to +70 °C when stored in static conditions.
NOTE Hoses for use at temperatures lower than −30 °C can be the subject of discussion between manufacturer and end user.
This document is not applicable to hoses and hose assemblies for LPG systems, aviation fuel systems, fuel station systems or marine applications.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Materials and construction
6 Dimensions
6.1 Nominal bore, internal diameter, outside diameter and their tolerances, service reeling diameter and minimum bend radius
6.2 Concentricity
6.3 Tolerance on length
6.4 Minimum thickness of lining and cover
7 Physical properties
7.1 Rubber compounds
7.2 Finished hoses and hose assemblies
8 Electrical resistance
8.1 General
8.2 M-grade
8.3 Ω-grade
9 Frequency of testing
10 Marking
10.1 Hoses
10.2 Hose assemblies
Annex A (normative) Method of test for strength of adhesion between components
Annex B (normative) Method of test for flexibility at 20 °C
Annex C (normative) Method of test for flammability
Annex D (normative) Test method for security of coupling attachment
Annex E (normative) Tests to be carried out as part of type and routine testing
Annex F (informative) Recommended tests for production acceptance testing
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Materials and construction
6 Dimensions
6.1 Nominal bore, internal diameter, outside diameter and their tolerances, service reeling diameter and minimum bend radius
6.2 Concentricity
6.3 Tolerance on length
6.4 Minimum thickness of lining and cover
7 Physical properties
7.1 Rubber compounds
7.2 Finished hoses and hose assemblies
8 Electrical resistance
8.1 General
8.2 M-grade
8.3 Ω-grade
9 Frequency of testing
10 Marking
10.1 Hoses
10.2 Hose assemblies
Annex A (normative) Method of test for strength of adhesion between components
Annex B (normative) Method of test for flexibility at 20 °C
Annex C (normative) Method of test for flammability
Annex D (normative) Test method for security of coupling attachment
Annex E (normative) Tests to be carried out as part of type and routine testing
Annex F (informative) Recommended tests for production acceptance testing