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BS EN 856:2015:2019 Edition

$102.76

Rubber hoses and hose assemblies. Rubber-covered spiral wire reinforced hydraulic type. Specification

Published By Publication Date Number of Pages
BSI 2019 20
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This European Standard specifies requirements for four types of rubber-covered spiral wire reinforced hydraulic hoses and hose assemblies of nominal bore from 6 to 51: Types 4SP, 4SH, R12 and R13. They are all suitable for use with: – hydraulic fluids in accordance with ISO 6743 4 with the exception of HFD R, HFD S and HFD T at temperatures ranging from ?40 °C to +100 °C for types 4SP and 4SH and ?40 °C to +120 °C for types R12 and R13; – water based fluids at temperatures ranging from ?40 °C to 70 °C; – water fluids at temperatures ranging from 0 °C to 70 °C. This European Standard does not include requirements for end fittings. It is limited to the performance of hoses and hose assemblies. NOTE 1 The hoses are not suitable for use with castor oil based nor ester based fluids. NOTE 2 Hoses and hose assemblies are not be operated outside the limits of this standard. NOTE 3 Requirements for hydraulic hoses for underground mining are standardised in a separate standard.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
7 3 Types of hose
4 Materials and construction
4.1 Hoses
4.2 Hose assemblies
5 Dimensions
5.1 Diameters and concentricity
9 5.2 Length
5.2.1 Hoses
5.2.2 Hose assemblies
10 6 Requirements
6.1 Hydrostatic requirements
6.2 Minimum bend radius
11 6.3 Impulse test requirements
6.4 Leakage of hose assemblies
6.5 Cold flexibility
6.6 Adhesion between components
12 6.7 Abrasion resistance
6.8 Fluid resistance
6.8.1 Test pieces
6.8.2 Oil resistance
6.8.3 Water based fluid resistance
6.8.4 Water resistance
6.9 Ozone resistance
7 Designation
13 8 Marking
8.1 Hoses
8.2 Hose assemblies
14 Annex A (normative)Procedure for the measurement of abrasion
A.1 Apparatus
15 A.2 Method
A.3 Test pieces
16 A.4 Condition of test pieces
A.5 Procedure
A.6 Expression of results
17 A.7 Test report
18 Annex B (normative)Type and routine testing of production hoses
19 Annex C (informative)Production acceptance testing
BS EN 856:2015
$102.76