BSI 22/30384254 DC 2022

$13.70

BS ISO 23551-12. Safety and control devices for gas burners and gas-burning appliances. Particular requirements – Part 12. Multifunctional controls with integral overpressure protection safety function for use with butane gas cartridge used in portable gas appliances

Published By	Publication Date	Number of Pages
BSI	2022	34

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PDF Catalog

PDF Pages	PDF Title
7	Foreword
8	Introduction
9	1 Scope 2 Normative references
10	3 Terms and definitions
12	4 Classification 4.1 Classes of Controls 4.2 Group of Controls 4.3 Types of DC supplied controls 4.4 Classes of control functions 5 Test conditions and tolerances 6 Construction 6.1 General 6.1.1 Controls based on combination of functions 6.1.2 Interaction between Controls
13	6.2 Construction requirements 6.2.1 Appearance 6.2.2 Holes 6.2.3 Breather holes 6.2.4 Vent limiters 6.2.5 Screwed fastenings 6.2.6 Moving Parts 6.2.7 Sealing caps 6.2.8 Disassembling and assembling for servicing and/or adjustment 6.2.9 Auxiliary channels and orifices 6.2.10 Pre-setting device 6.2.11 Adjustments 6.2.12 Resistance to pressure
14	6.2.13 Signal tube connections 6.2.14 Operating parts of manual gas valves 6.2.15 Seating force 6.2.16 Tapered plug cavity 6.2.17 Pressure limiting device 6.3 Materials 6.3.1 General material requirements 6.3.2 Housing
15	6.3.3 Springs providing closing force and sealing force 6.3.4 Resistance to corrosion and surface protection
16	6.3.5 Impregnation 6.3.6 Seals for glands for moving parts 6.3.7 Jointing 6.3.8 Closure members 6.3.9 Packing 6.3.10 Sealing materials
17	6.3.11 Grease 6.4 Connections 6.5 Gas controls employing with electrical components in the gas way 6.6 Component parts 6.7 Appliance connector valves 6.8 Connection to cartridge 6.8.1 Requirement 6.8.2 Test
18	7 Performance 7.1 General 7.2 Leak tightness 7.2.1 Requirement 7.2.2 Test
19	7.3 Torsion and bending 7.4 Rated flow rate 7.4.1 General 7.4.2 Requirements 7.5 Durability 7.6 Functional requirements
20	7.6.1 Operation force of gas valve 7.6.2 Operation of OPSF 7.6.3 Abnormal operation of OPSF 7.6.4 Adjustment pressure of pressure regulator
21	7.6.5 Interlock (of thermoelectric flame supervision device) 7.6.6 Sealing force (of thermoelectric flame supervision device) 7.6.7 Closing current (of thermoelectric flame supervision device) 7.7 Endurance 7.7.1 Requirement
22	7.7.2 Test 7.8 Vibration test
23	7.9 Cold resistance 7.9.1 Requirement 7.9.2 Test 7.10 Heat resistance 7.10.1 Requirement 7.10.2 Test 7.11 Thermal shock resistance 7.11.1 Requirement 7.11.2 Test 7.12 Operation of OPSF after corrosion resistance test 7.12.1 Requirement 7.12.2 Test
24	8 Electrical equipment 9 Electromagnetic compatibility (EMC) 10 Marking, installation and operating instructions 10.1 Marking 10.2 Installation and operating instructions 10.3 Warning notice
25	Annex A (informative) Leak-tightness test — Volumetric method
26	Annex B (informative) Leak-tightness test — Pressure-loss method
27	Annex C (normative) Conversion of pressure loss into leakage rate
28	Annex D (normative) Gas quick connector (GQC)
29	Annex E (normative) Elastomers/requirements resistance to lubricants and gas
30	Annex F (normative) Specific regional requirements in European countries
31	Annex G (normative) Specific regional requirements in Canada and USA
32	Annex H (normative) Specific regional requirements in Japan
34	Bibliography