BSI 14/30311429 DC:2014 Edition
$13.70
BS EN 88-2. 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
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 61 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents |
| 6 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope 2 Normative references |
| 10 | 3 Terms and definitions |
| 14 | 4 Classification 4.1 Classes of control 4.2 Groups of control 4.3 Classes of control function 4.4 Types of DC supplied controls 5 Units of measurement and test conditions |
| 15 | 6 Design and construction 6.1 General 6.2 Mechanical parts of the control 6.2.1 Appearance 6.2.2 Holes 6.2.3 Breather holes 6.2.4 Test for leakage of breather holes 6.2.5 Screwed fastenings 6.2.6 Jointing 6.2.7 Moving parts 6.2.8 Sealing caps 6.2.9 Dismantling and reassembly 6.2.10 Auxiliary canals and orifices 6.2.11 Presetting device |
| 16 | 6.2.101 External visual Indication of the position of the closure member 6.2.102 Parts transmitting actuating forces 6.2.103 Adjustments 6.2.104 Integral safety shut-off device 6.2.105 Resistance to pressure 6.2.105.1 Requirement |
| 17 | 6.2.105.2 Test 6.2.106 Signal tube connections 6.2.107 Creep relief device 6.3 Materials 6.3.1 General material requirements 6.3.2 Housing |
| 18 | 6.3.3 Zinc alloys 6.3.4 Springs providing closing and/or sealing force 6.3.5 Resistance to corrosion and surface protection 6.3.6 Impregnation 6.3.7 Seals for glands for moving parts 6.4 Gas connections 6.5 Electrical parts of the control 6.6 Protection against internal faults for the purpose of functional safety 7 Performance requirements 7.1 General 7.2 Leak-tightness 7.3 Test for leak-tightness 7.3.1 General |
| 19 | 7.3.2 External leak-tightness 7.3.3 Internal 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 7.8.1 Elastomers in contact with gas |
| 20 | 7.8.2 Marking 7.8.3 Resistance to scratching 7.8.4 Resistance to humidity 7.9 Performance tests for electronic controls 7.10 Long-term performance for electronic controls 7.11 Data exchange 7.101 Pressure regulator performance 7.101.1 General 7.101.2 General test procedure 7.101.2.1 Apparatus |
| 22 | 7.101.2.2 Conversion of the air flow rate 7.101.2.3 Methods of test 7.101.2.4 Accuracy class |
| 23 | 7.101.2.5 Lock-up pressure class |
| 25 | 7.101.2.6 Endurance |
| 26 | 7.102 Safety devices 7.102.1 Overpressure safety shut-off devices 7.102.1.1 Requirement 7.102.1.2 Test |
| 29 | 7.102.2 Underpressure safety shut-off devices 7.102.2.1 Requirement |
| 30 | 7.102.2.2 Test 7.102.2.3 Verification of the lower limit of the highest set range 7.102.3 Endurance 7.102.3.1 Requirement 7.102.3.2 Test |
| 31 | 8 Electrical requirements 9 Electromagnetic compatibility (EMC) 10 Marking, installation and operating instructions 10.1 Marking 10.2 Installation and operating instructions |
| 32 | 10.3 Warning notice |
| 33 | Annex A (informative)Void |
| 34 | Annex B (informative)Leak-tightness test for gas controls – volumetric method |
| 35 | Annex C (informative)Leak-tightness test for gas controls – pressure loss method |
| 36 | Annex D (normative)Conversion of pressure loss into leakage rate |
| 37 | Annex E (normative)Electrical/electronic component fault modes |
| 38 | Annex F (normative)Additional requirements for safety accessories and pressure accessories as defined in EU Directive 97/23/EC |
| 39 | Annex G (normative)Materials for pressurized parts |
| 40 | Annex H (normative)Additional materials for pressurized parts |
| 41 | Annex I (normative)Requirements for controls used in DC supplied burners and appliances burning gaseous or liquid fuels |
| 42 | Annex J (normative)Method for the determination of a Safety integrity level (SIL) |
| 43 | Annex K (normative)Method for the determination of a Performance Level (PL) |
| 44 | Annex L (informative)Relationship between Safety Integrity Level (SIL) and Performance Level (PL) |
| 45 | Annex M (normative)Reset functions |
| 46 | Annex N (informative)Guidance document on Environmental Aspects |
| 47 | Annex O (normative)Seals of elastomer, cork and synthetic fibre mixtures |
| 48 | Annex AA (informative)Typical pressure regulators and pressure regulator parts AA.1 Main components of a pressure regulator |
| 49 | AA.2 Main components of a gas safety shut-off device |
| 51 | Annex BB (informative)Overview of requirements and test conditions (as given in Clause 7), and examples of performance curves for pressure regulators |
| 54 | Annex CC (normative)Creep relief device CC.1 General CC.2 Normative references CC.3 Terms and definitions CC.6 Design and construction CC.7 Performance requirements CC.7.1 Set point adjustment CC.7.1.1 Requirements CC.7.1.2 Tests |
| 55 | CC.10 Marking, installation and operating instructions CC.10.1 Marking CC.10.2 Installation and operating instructions |
| 56 | Annex DD (informative)Comparison between EN 334:2012-05 and EN 88-2:2013-04 |
| 57 | Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2009/142/EC relating to appliances burning gaseous fuels |
| 59 | Annex ZB (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC concerning pressure equipment |
| 61 | Bibliography |
