Foreword

Foreword

1Scope

2Normative references

3Terms and definitions

4Requirements

4.1General

4.2Qualification

4.3Materials

4.3.1General

4.3.2Metals

4.4Construction

4.4.1General

4.4.2Inner tube

4.4.3Reinforcement

4.4.4Fittings

4.4.4.1General

4.4.4.2Insert fittings

4.5Inner tube requirements

4.5.1Density and relative density

4.5.2Tensile strength

4.5.3Elongation

4.5.4Tube roll

4.5.5Tube proof‑pressure

4.5.6Electrical conductivity

4.6Hose

4.6.1Dimensional requirements

4.6.2Physical requirements

4.6.3Bore check

4.7Screw threads

4.8Part numbering of interchangeable parts

4.9Identification of products

4.9.1General

4.9.2Fittings

4.9.3Hose assembly

4.10Workmanship

4.10.1General

4.10.2Dimensions and tolerances

4.10.3Cleaning

4.11Hose assembly — Test and performance requirements

4.11.1Proof pressure

4.11.2Elongation and contraction

4.11.3Volumetric expansion

4.11.4Leakage

4.11.5Thermal shock

4.11.5.1Preconditioning

4.11.5.2Requirement

4.11.6Impulse

4.11.6.1Preconditioning

4.11.6.2Requirement

4.11.7Assembly flexibility

4.11.8Stress degradation

4.11.9Pneumatic surge

4.11.10Pneumatic effusion

4.11.11Repeated installation

4.11.11.1Procedure

4.11.11.2Requirement

4.11.12Burst pressure at room temperature

4.11.13Electrical conductivity

4.11.14Fire resistance

4.11.14.1General

4.11.14.2Requirements

5Quality assurance

5.1Responsibility for inspection

5.2Classification of inspections

5.3Qualification inspections

5.3.1Qualification test samples

5.3.2Test report, test samples and data for the purchaser

5.3.3Qualification testing

5.3.4Criteria for requalification

5.4Quality conformance inspections

5.4.1General

5.4.2Individual tests

5.4.3Sampling tests

5.4.4Periodic control tests

5.4.4.1General

5.4.4.2Assembly and braid

5.4.4.3Hose inner liner

5.4.5Rejection and re‑test

5.4.5.1Rejection

5.4.5.2Resubmitted lots

5.4.6Changes in inspection procedures

5.4.7Destructive test sample

5.5Test conditions

5.5.1Assembly, ends and hose

5.5.1.1Assembly ends

5.5.1.2Assembly, hose

5.5.2End connections

5.5.3Test fluids

5.5.4Temperature measurements

5.5.5Pressure measurements

5.5.6Preparation of test specimens

5.5.6.1Oil ageing

5.5.6.2Air ageing

5.5.6.3Unaged test specimens

5.6Inspection methods

5.6.1Examination of product

5.6.1.1Inner tube

5.6.1.2Hose assembly

6Preparation for delivery

6.1Storage and packaging

6.2Marking

7Ordering data

Annex AEquivalent components (informative)

Bibliography