PREN 334 : DRAFT 2016

European foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Construction requirements
5 Functional and characteristic requirements
6 Gas pressure regulator sizing
7 Testing
8 Field surveillance
9 Documentation
10 Marking
11 Packaging of finished product
Annex A (informative) - Alternative methods for the
        determination of the accuracy class, the lock-up
        pressure class, the maximum accuracy flow rate,
        the flow coefficients and the verification of the
        hysteresis band
Annex B (informative) - Inspection certificate
Annex C (informative) - Acceptance test
Annex D (informative) - Compliance evaluation
Annex E (normative) - Creep (venting) relief device
Annex F (informative) - Order specification
Annex G (normative) - Materials
Annex H (informative) - Dynamic force calculation method
Annex I (normative) - Vent limiter
Annex J (normative) - Elastomeric material
Annex K (informative) - Glossary and sub-clauses
Annex L (informative) - Environmental Provisions
Annex ZA (informative) - Relationship between this
         European Standard and the Essential Requirements
         of EU Directive 2014/68/EU
Bibliography