ISO 3861:2021
Rubber hoses and hose assemblies for sand and grit blasting — Specification
This document specifies the requirements for rubber hoses and hose assemblies for wet and dry sand and grit blasting, suitable for use up to a maximum working pressure of 0,63 MPa (6,3 bar) and over an operating temperature range of −25 °C to +70 °C.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Materials and construction
6 Dimensions
6.1 Inside diameter and tolerances
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 Frequency of testing
9 Marking
9.1 Hoses
9.2 Hose assemblies
Annex A (normative) Test frequency for type tests and routine tests
Annex B (informative) Production acceptance tests
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Materials and construction
6 Dimensions
6.1 Inside diameter and tolerances
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 Frequency of testing
9 Marking
9.1 Hoses
9.2 Hose assemblies
Annex A (normative) Test frequency for type tests and routine tests
Annex B (informative) Production acceptance tests