SN EN 12864 : 2001 AMD 3 2010

1 Scope
2 Normative references
3 Terms and definitions
   3.1 General definitions
   3.2 Definitions concerning gas
   3.3 Definitions concerning pressures
   3.4 Definitions concerning rates
4 Terminology
5 Structural characteristics
   5.1 General
   5.2 Materials
   5.3 Special requirements
   5.4 Mechanical strength
   5.5 Soundness
   5.6 Mechanical endurance
   5.7 Resistance to humidity changes
   5.8 Resistance to corrosion
6 Performance characteristics
7 Test methods
   7.1 General conditions
   7.2 Verification of structural characteristics
   7.3 Verification of performance characteristics
8 Marking - Packaging - Instructions
   8.1 General
   8.2 Marking of the regulator
   8.3 Packaging
   8.4 Instructions for use and maintenance
Annex A (normative) Special requirements for regulators
        fitted with pressure or rate operated safety
        devices
   A.1 Regulators fitted with an overpressure relief
        valve of a limited flow rate
   A.2 Regulators fitted with an overpressure shut off
        device
   A.3 Regulators fitted with an underpressure shut off
        safety device
   A.4 Regulators fitted with an excess flow valve
Annex B (normative) Special requirements for regulators
        fitted with a temperature operated safety device
   B.1 Definition
   B.2 Structural characteristics
   B.3 Performance characteristics
   B.4 Test methods
Annex C (normative) Special requirements for low pressure
        regulators under extreme temperature conditions
Annex D (normative) Multimode connection regulator for
        LPG cylinders to supply appliances installed in
        caravans and motor caravans
   D.1 Scope
   D.2 Design characteristics
   D.3 Structural characteristics
   D.4 Operating characteristics
   D.5 Marking - Packaging - Instructions
Annex E (normative) Complementary test requirements for
        non metallic thermoplastic or thermosetting
        materials used in the construction of regulators
   E.1 Scope
   E.2 Materials
   E.3 Special conditions for carrying out the test
        mentioned in the body of the standard
   E.4 Special requirements
Annex F (normative) Supplementary requirements for
        reinforced diaphragms and elastomeric seals
        used in LPG appliances and their associated
        equipment
Annex G (normative) Inlet connections
Annex H (normative) Outlet connections
Annex I (normative) Special requirements for low pressure
        non adjustable regulators fitted with two or
        three outlets for outdoor use
   I.1 Structural characteristics
   I.2 Performance characteristics
   I.3 Test methods
   I.4 Marking
Annex J (normative) Method for measuring leaks at test
        pressures less than or equal to 20 bar
   J.1 Scope
   J.2 Diagram of the test bench
   J.3 Determination of coefficient K
   J.5 Checks
Annex K (normative) Special requirements for regulators
        fitted with an inlet valve
   K.1 Definition
   K.2 Structural characteristics
   K.3 Performance characteristics: mechanical strength
   K.4 Test method
Annex L (informative) Alternative test method for
        resistance to corrosion
   L.1 Principle
   L.2 Reagents
   L.3 Apparatus
   L.4 Test method
   L.5 Results
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other
         provisions of EU directives

Specifies the structural and operational characteristics, the safety requirements and test methods, the marking, of low-pressure, non adjustable regulators for butane, propane or their mixtures, referred to in the body of the text as "regulators".