NEN EN 730-2 : 2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
12-12-2017
12-01-2013
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.