PREN 88-2 : DRAFT 2014
Current
The latest, up-to-date edition.
SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - PART 2: PRESSURE REGULATORS FOR INLET PRESSURES ABOVE 50 KPA UP TO AND INCLUDING 500 KPA AND ASSOCIATED SAFETY DEVICES
02-12-2014
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Units of measurement and test conditions
6 Design and construction
7 Performance requirements
8 Electrical requirements
9 Electromagnetic compatibility (EMC)
10 Marking, installation and operating instructions
Annex A (informative) - Void
Annex B (informative) - Leak-tightness test for gas
controls - volumetric method
Annex C (informative) - Leak-tightness test for gas
controls - pressure loss method
Annex D (normative) - Conversion of pressure loss
into leakage rate
Annex E (normative) - Electrical/electronic component
fault modes
Annex F (normative) - Additional requirements for safety
accessories and pressure accessories as defined in
EU Directive 97/23/EC
Annex G (normative) - Materials for pressurized parts
Annex H (normative) - Additional materials for pressurized
parts
Annex I (normative) - Requirements for controls used in DC
supplied burners and appliances burning gaseous or
liquid fuels
Annex J (normative) - Method for the determination of a
Safety integrity level (SIL)
Annex K (normative) - Method for the determination of a
Performance Level (PL)
Annex L (informative) - Relationship between Safety Integrity
Level (SIL) and Performance Level (PL)
Annex M (normative) - Reset functions
Annex N (informative) - Guidance document on
Environmental Aspects
Annex O (normative) - Seals of elastomer, cork and
synthetic fibre mixtures
Annex AA (informative) - Typical pressure regulators
and pressure regulator parts
Annex BB (informative) - Overview of requirements and
test conditions (as given in Clause 7), and examples
of performance curves for pressure regulators
Annex CC (normative) - Creep relief device
Annex DD (informative) - Comparison between EN
334:2012-05 and EN 88-2:2013-04
Annex ZA (informative) - Relationship between this
European Standard and the Essential
Requirements of EU Directive 2009/142/EC
relating to appliances burning gaseous fuels
Annex ZB (informative) - Relationship between this
European Standard and the Essential
Requirements of EU Directive 97/23/EC
concerning pressure equipment
Bibliography
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