ISO 10460:2018
Gas cylinders — Welded aluminium-alloy, carbon and stainless steel gas cylinders — Periodic inspection and testing
This document specifies the requirements for the periodic inspection and testing of welded aluminium-alloy, carbon and stainless steel gas cylinders of water capacity from 0,5 l to 150 l intended for compressed and liquefied gas service under pressure and to verify the integrity of such gas cylinders for further service.
It also applies, as far as is practical, to cylinders of less than 0,5 l water capacity and greater than 150 l up to 450 l.
This document does not apply to the periodic inspection and testing of acetylene cylinders or composite (fully wrapped or hoop-wrapped) cylinders.
It is primarily intended for use with cylinders containing industrial gases other than liquefied petroleum gas (LPG). This document may also be applicable to LPG. Requirements for LPG applications are also provided in ISO 10464.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Intervals between periodic inspection and testing
5 Periodic inspection and testing procedures
5.1 General
5.2 Depressurization and devalving procedures
5.2.1 Depressurization
5.2.2 Devalving
5.3 External visual inspection
5.3.1 General
5.3.2 Preparation
5.3.3 Procedure
5.3.4 Inspection result
5.4 Internal visual inspection
5.4.1 General
5.4.2 Preparation
5.4.3 Cleaning
5.4.4 Inspection result
5.5 Cylinder neck inspection
5.5.1 Cylinder-to-valve threads
5.5.2 Other neck surfaces
5.5.3 Neckring and/or collar attachment
5.6 Pressure test
5.6.1 General
5.6.2 Test equipment
5.6.3 Test criteria
5.6.4 Acceptance criteria
5.7 Cylinder repair
5.7.1 General
5.7.2 Major repairs
5.7.3 Minor repairs
5.8 Inspection of valve and other accessories
5.9 Final operations
5.9.1 Drying, cleaning, painting and coating
5.9.2 Cylinder revalving
5.9.3 Cylinder tare check
5.9.4 Cylinder marking after periodic inspection and testing
5.9.5 Reference to next periodic inspection and testing date
5.9.6 Reports
5.10 Rejection and rendering cylinders unserviceable
Annex A (informative) Intervals between periodic inspections and tests
Annex B (informative) Gas cylinder periodic inspection date rings
Annex C (normative) Description and evaluation of imperfections and conditions for rejection at visual inspection
Annex D (informative) Gases corrosive to carbon steel cylinders
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Intervals between periodic inspection and testing
5 Periodic inspection and testing procedures
5.1 General
5.2 Depressurization and devalving procedures
5.2.1 Depressurization
5.2.2 Devalving
5.3 External visual inspection
5.3.1 General
5.3.2 Preparation
5.3.3 Procedure
5.3.4 Inspection result
5.4 Internal visual inspection
5.4.1 General
5.4.2 Preparation
5.4.3 Cleaning
5.4.4 Inspection result
5.5 Cylinder neck inspection
5.5.1 Cylinder-to-valve threads
5.5.2 Other neck surfaces
5.5.3 Neckring and/or collar attachment
5.6 Pressure test
5.6.1 General
5.6.2 Test equipment
5.6.3 Test criteria
5.6.4 Acceptance criteria
5.7 Cylinder repair
5.7.1 General
5.7.2 Major repairs
5.7.3 Minor repairs
5.8 Inspection of valve and other accessories
5.9 Final operations
5.9.1 Drying, cleaning, painting and coating
5.9.2 Cylinder revalving
5.9.3 Cylinder tare check
5.9.4 Cylinder marking after periodic inspection and testing
5.9.5 Reference to next periodic inspection and testing date
5.9.6 Reports
5.10 Rejection and rendering cylinders unserviceable
Annex A (informative) Intervals between periodic inspections and tests
Annex B (informative) Gas cylinder periodic inspection date rings
Annex C (normative) Description and evaluation of imperfections and conditions for rejection at visual inspection
Annex D (informative) Gases corrosive to carbon steel cylinders
Bibliography