AS/NZS ISO 25760:2025
Gas cylinders – Operational procedures for the safe removal of valves from gas cylinders
Standard details procedures for the safe removal of valves from cylinders and includes techniques for the identification of inoperable valves.
This document is identical with, and has been reproduced from, ISO 25760:2009 Gas cylinders – Operational procedures for the safe removal of valves from gas cylinders.
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AS/NZS ISO 25760:2025 Gas cylinders - Operational procedures for the safe removal of valves from gas cylinders
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Application
4.2 Hazards
4.3 Operator safety and protection
4.4 Operator qualifications
4.4.1 General
4.4.2 Specific process qualifications
4.5 Operator errors
4.6 Special valve designs
4.6.1 Valves (e.g. RPV, VIPR) with residual pressure device
4.6.2 Quick connect valves (clip-on valve)
4.6.3 Other valves
5 Methods for inoperable valves
5.1 Summary of methods
5.2 Choice of method
6 Procedures
6.1 Procedures to identify and segregate cylinders with inoperable valves
6.2 Standard devalving procedure for treating cylinders with operable valves
6.2.1 Devalving procedure
6.2.2 Devalving device
6.3 Procedures for treating cylinders with inoperable valves
6.3.1 Facilities
6.3.2 Equipment
6.3.3 Depressurization
7 Damaged valves and cylinders
Annex A (informative) Reasons cylinder valves become inoperable
Annex B (informative) Examples of methods for depressurization of gas cylinders with inoperable valves
Bibliography
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AS/NZS ISO 25760:2025 Gas cylinders - Operational procedures for the safe removal of valves from gas cylinders
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Application
4.2 Hazards
4.3 Operator safety and protection
4.4 Operator qualifications
4.4.1 General
4.4.2 Specific process qualifications
4.5 Operator errors
4.6 Special valve designs
4.6.1 Valves (e.g. RPV, VIPR) with residual pressure device
4.6.2 Quick connect valves (clip-on valve)
4.6.3 Other valves
5 Methods for inoperable valves
5.1 Summary of methods
5.2 Choice of method
6 Procedures
6.1 Procedures to identify and segregate cylinders with inoperable valves
6.2 Standard devalving procedure for treating cylinders with operable valves
6.2.1 Devalving procedure
6.2.2 Devalving device
6.3 Procedures for treating cylinders with inoperable valves
6.3.1 Facilities
6.3.2 Equipment
6.3.3 Depressurization
7 Damaged valves and cylinders
Annex A (informative) Reasons cylinder valves become inoperable
Annex B (informative) Examples of methods for depressurization of gas cylinders with inoperable valves
Bibliography
AS/NZS ISO 25760:2025
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.