DIN EN 12067-1 : 1998 AMD 1 2003

Foreword
1 Scope
2 Normative references
3 Definitions
4 Construction requirements
5 Performance requirements
6 Test methods
7 Instructions and declarations
8 Marking
Annexes
A (informative) - Use of ISO 7-1: 1994 and ISO 228-1: 1994
  threads for gas connections
B (informative) - Leak tightness test - volumetric method
C (informative) - Leak tightness test - pressure loss method
D (informative) - Conversion of pressure loss into leakage
  rate
ZA (informative) - Clauses of this European Standard
   addressing essential requirements or other provisions
   of EU Directives

Describes the safety, construction and performance requirements for gas/air ratio controls for inlet pressures up to and including 500 mbar of nominal connection size up to and including DN 150, intended for use with gas appliances used with one or more fuel gases of the first, second and third families. Also describes the test procedures for evaluating these requirements and defines information necessary for use and installation.