UNI EN 14914 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Written scheme of inspection
5 Procedures for periodic inspection
  5.1 General
  5.2 External visual inspection
      5.2.1 Preparation for external visual inspection
      5.2.2 Inspection procedure
      5.2.3 Visible defects for carbon steel cylinders
      5.2.4 Visible defects for stainless steel cylinders
  5.3 Additional inspection/test procedures
      5.3.1 Preparation of cylinders
      5.3.2 Hydraulic proof pressure test
      5.3.3 Internal visual inspection
      5.3.4 Pneumatic proof test and leak test
6 Inspection of cylinder threads
  6.1 General
  6.2 Internal threads
  6.3 External threads
  6.4 Damaged threads
7 Final operations
  7.1 Drying
  7.2 Valving
  7.3 Tare weight
  7.4 Marking
  7.5 Purging
8 Records
Annex A (normative) Requirements for 15-year periodic
        inspection interval
        A.1 General
        A.2 Concept of control
        A.3 Conditions
Bibliography

Describes the inspection intervals, procedures for periodic inspection and testing, for transportable refillable welded steel LPG cylinders of alternative design and construction of water capacity from 0,5 l up to and including 150 l.