NEN EN 126 : 2012

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
  4.1 Classes of shut-off valves
  4.2 Classes of flame supervision devices
  4.3 Classes of governors
  4.4 Groups of multifunctional controls
  4.5 Classification according to the degrees of protection
      provided by enclosures (IP code)
5 Units of measurement and test conditions
  5.1 Dimensions
  5.2 Pressures
  5.3 Bending moments and torques
  5.4 Test conditions
6 Construction requirements
  6.1 General
  6.2 Construction
  6.3 Materials
  6.4 Gas connections
  6.5 Component parts
7 Performance requirements
  7.1 General
  7.2 Leak-tightness
  7.3 Test for leak-tightness
  7.4 Torsion and bending
  7.5 Torsion and bending tests
  7.6 Rated flow rate
  7.7 Test for rated flow rate
  7.8 Durability
  7.9 Operational characteristics
8 EMC/Electrical requirements
  8.1 Protection against environmental influences
9 Marking, installation and operating instructions
  9.1 Marking
  9.2 Instructions and declarations
Annex ZA (informative) Identification of clauses which meet
                       the Essential Requirements of the Gas
                       Appliance Directive 90/396/EEC

Defines the safety, construction and performance requirements for multifunctional controls intended for use with gas burners, gas appliances and similar use, hereafter referred to as 'MFC'.