BSI 16/30332741 DC:2016 Edition
$13.70
BS EN ISO 15012-3. Health and safety in welding and allied processes. Requirements, testing and marking of equipment for air filtration. Part 3. Determination of the capture efficiency of on-gun welding fume extraction devices
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 32 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Principle 5 Test equipment and materials 5.1 General requirement 5.2 Test chamber 5.3 Isokinetic samplers 5.4 Total fume and isokinetic filters 5.5 Extraction fan |
| 11 | 5.6 On-torch extraction unit 5.7 Equipment for measuring welding current, welding voltage, wire feed speed and arcing time 5.8 Equipment for direct-reading of fume concentration 5.9 Equipment for measuring the mass of fume collected 5.10 Equipment for measuring shielding gas volume flow rate 5.11 Device for automatic welding 5.12 Device for measuring contact tip to workpiece distance (CTWD) |
| 12 | 5.13 Device for measuring static pressure 5.14 Device for measuring the mass flow rate 5.15 Materials 6 Test procedure 6.1 Preliminary tests 6.1.1 Setting the shielding gas flow rate 6.1.2 Measuring the flow rates and determination of leakage |
| 13 | 6.2 Setting up the test equipment |
| 14 | 6.3 Capture efficiency tests 6.3.1 General 6.3.2 Test procedure |
| 15 | 6.3.3 Calculation of the results |
| 16 | 7 Test parameters for generating comparable test report capture efficiency data |
| 17 | 8 Test report |
| 18 | Annex A (informative) Examples of test chambers |
| 20 | Annex B (informative) Equipment notes |
| 22 | Annex C (informative) Trial tests |
| 24 | Annex D (normative) Test procedures |
| 25 | Annex E (informative) Data processing for test method 3 |
| 27 | Annex F (normative) Test parameters form to be filled |
| 28 | Annex G (informative) Suggested parameters for testing |
| 29 | Annex H (informative) Information about the necessity to measure leakage |
| 30 | Bibliography |
