DIN EN 730-2:2003-01
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GAS WELDING EQUIPMENT - SAFETY DEVICES - PART 2: NOT INCORPORATING A FLAME (FLASHBACK) ARRESTOR
Hardcopy , PDF
01-03-2018
German, English
01-01-2003
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design and materials
4.1 Connections
4.2 Materials
5 Requirements
5.1 General
5.2 Gas tightness
5.3 Pressure resistance
5.4 Non-return valve
5.5 Pressure relief valves
5.6 Excess flow cut-off valves
5.7 Flashback resistance
6 Methods for type testing
6.1 General
6.2 Accuracy of pressure and flow measurements
6.3 Test gases
6.4 Gas tightness test
6.5 Pressure resistance test
6.6 Non-return valve test
6.7 Pressure relief valves
6.8 Excess flow cut-off valve
6.9 Internal leakage test for cut-off valves
7 Manufacturer's Instructions
8 Marking
Annex A (informative) - Gas flow measurement
A.1 General
A.2 Procedure
Annex B (informative) - Third party testing information
B.1 General
B.2 Samples and documentation
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