UNI EN 13152 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SPECIFICATION AND TESTING OF LPG CYLINDER VALVES - SELF CLOSING
18-11-2010
01-01-2005
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Design and specification
4.1 General
4.2 Materials
4.2.1 General
4.2.2 Operating temperatures
4.2.3 Copper alloys
4.2.4 Non-metallic materials
4.3 Essential components
4.3.1 Valve operating mechanism
4.3.2 Valve body
4.3.3 Sealing mechanism
4.3.4 Valve stem
4.3.5 Valve outlet
4.4 Optional components
4.4.1 Pressure relief valve
4.4.2 Eduction tube
4.4.3 Excess flow device
4.4.4 Non-return valve
4.4.5 Sediment tube
4.5 Valve connections
5 Valve type test
5.1 General
5.2 Test valves
5.3 Test procedure
5.3.1 Hydraulic pressure test
5.3.2 Valve closure test
5.3.3 External and internal tightness test
5.3.4 Endurance test
5.3.5 Simulated vacuum test
5.3.6 Operation test
5.3.7 Valve stem test
5.3.8 Impact test
5.4 Acceptance criteria
6 Markings
Annex A (normative) Valve dimensions
Annex B (informative) Production testing and inspection
Annex C (normative) Special requirements for cylinder valves
under extreme low temperature conditions (minus 40
degree C)
Bibliography
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