NEN EN 961 : 1995

Foreword
1 Scope
2 Normative references
3 Definition
4 Physical characteristics
4.1 Pressures
4.2 Flow rates
4.3 Coefficients
5 Units
5.1 Pressures
5.2 Flow rate
5.3 Temperatures
6 Design and safety requirements
6.1 General
6.2 Design requirements
6.3 Functional characteristics
7 Type tests
7.1 General test conditions
7.2 Performance and functional tests
7.3 Mechanical tests
7.4 Leakage tests
7.5 Ignition test for oxygen manifold regulators
8 Instruction for use
9 Marking
9.1 Regulator
9.2 Relief valve
Annex A (informative) Decomposition test for manifold
regulators used for acetylene

Specifies requirements and test methods for manifold regulators for welding, cutting and allied processes. Does not apply to regulators fitted directly to the gas cylinders or to regulators for liquefied petroleum gases.