NEN EN 14912 : 2015

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
  4.1 General
  4.2 Cleaning
  4.3 Personnel
  4.4 Safety concerns
5 Inspections
  5.1 External inspection
  5.2 Additional inspection
  5.3 Acceptance criteria
6 Maintenance
  6.1 Minor repair
  6.2 Major repair
  6.3 Refurbishment
      6.3.1 General
      6.3.2 Valve inspection
      6.3.3 Valve re-assembly
7 Testing
  7.1 Refurbished valves
  7.2 All other valves
8 Marking
Bibliography

Defines the requirements for inspection and maintenance of LPG cylinder valves, either manually operated or self-closing, for reuse.