BS EN 12067-1:1999:2003 Edition
$142.49
Gas/air ratio controls for gas burners and gas burning appliances – Pneumatic types
| Published By | Publication Date | Number of Pages |
| BSI | 2003 | 28 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | National foreword |
| 4 | Foreword Foreword to amendment A1 Contents |
| 5 | 1 Scope 2 Normative references 3 Definitions 3.1 gas/air ratio control 3.2 standard conditions |
| 6 | 3.3 Pressures 3.3.1 inlet pressure 3.3.2 outlet pressure 3.3.3 signal pressure 3.3.4 gas/air ratio 3.3.5 furnace back pressure 3.4 Flow rates 3.4.1 flow rate 3.4.2 maximum flow rate 3.4.3 minimum flow rate 3.5 signal chamber 3.6 signal tube (impulse line) 3.7 Operational terms 3.7.1 external leak tightness (soundness) 3.7.2 mounting position 3.8 response time |
| 7 | 3.9 maximum ambient temperature 3.10 minimum ambient temperature 3.11 group 1 control 3.12 group 2 control 4 Construction requirements 4.1 General |
| 8 | 4.2 Materials |
| 9 | 4.3 Connections Table 1 Connection sizes |
| 10 | 4.4 Seals for glands for moving parts 4.5 Pressure test nipples 4.6 Electrical equipment 5 Performance requirements 5.1 General |
| 11 | 5.2 External leaktightness Table 2 External leakage rates 5.3 Torsion and bending |
| 12 | 5.4 Durability |
| 13 | 5.5 Control performance requirements Table 4 Gas pressure at inlet to the ratio control 5.6 Endurance |
| 14 | 6 Test methods 6.1 General 6.2 External leak�tightness 6.3 Torsion and bending |
| 15 | Figure 1 Arrangement for torsion test Figure 2 Arrangement for bending test |
| 17 | 6.4 Durability |
| 18 | 6.5 Performance tests 6.6 Endurance test |
| 19 | Figure 3 Paint scratch test apparatus |
| 20 | Figure 4 Performance test rig |
| 21 | 7 Instructions and declarations 7.1 General 7.2 Information to be declared by the manufacturer 7.3 Warning notice 8 Marking |
| 22 | Annex A (informative) Use of ISO 7-1:1994 and ISO 228-1:1994 threads for gas connections Annex B (informative) Leak�tightness test — Volumetric method B.1 Apparatus B.2 Test method |
| 24 | Annex C (informative) Leak tightness test — Pressure loss method C.1 Apparatus C.2 Test method Figure C.1 Apparatus for testing leak�tightness (Pressure loss method) |
| 25 | Annex D (informative) Conversion of pressure loss into leakage rate |
| 26 | Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provis… |
