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BS ISO 11425:2018

$102.76

Rubber hoses and hose assemblies for automobile power-steering systems. Specification

Published By Publication Date Number of Pages
BSI 2018 18
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This document specifies requirements for five types of hose and hose assembly used in automobile power-steering systems, the five types differing in their pressure ratings and volumetric expansion. They are for use with fluids in the temperature range −40 °C to +135 °C.

This document is based on performance tests. In order to take account of technological developments, no requirements are included for specific materials, detailed construction or manufacturing methods.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 1 Scope
2 Normative references
8 3 Terms and definitions
4 Types of hose
5 Construction and materials
6 Dimensions and tolerances
9 7 Performance requirement
7.1 Impulse resistance
7.2 Burst pressure requirement
7.3 Change in length
7.4 Low-temperature flexibility
10 7.5 Adhesion
7.6 Ozone resistance
7.7 Volumetric expansion
7.8 Contamination
7.9 Corrosion of end fittings
7.10 Proof pressure requirement
7.11 Cold-start requirement (type approval test for type 4 hose assemblies only)
7.11.1 Requirement
11 7.11.2 Test method
7.12 Low-pressure burst pressure requirement (type 4 hose assemblies only)
8 Marking
12 Annex A (normative) Method of test for volumetric expansion
14 Annex B (normative) Method of test for contamination
16 Annex C (informative) Typical outside-diameter ranges
BS ISO 11425:2018
$102.76