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BSI 23/30445661 DC:2023 Edition

BSI 23/30445661 DC:2023 Edition

$13.70

BS EN ISO 9012. Gas welding equipment. Air-aspirated hand blowpipes. Specifications and tests

Published By Publication Date Number of Pages
BSI 2023 18
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Main types of aspiration
11 5 Description of components
12 6 Requirements
6.1 General
6.2 Materials
6.3 Valves
6.4 Shank
13 6.5 Hose connection
6.6 Gas tightness
6.7 Gas-flow rate
6.8 Safety against sustained backfiring and blowing-off of the flame
14 6.9 Flame adjustment
6.10 Stability in air currents
6.11 Ignition
7 Tests
7.1 General
7.2 General checks
7.3 Operational tests
7.4 Shank-overheating tests
15 7.5 Gas tightness
7.6 Valve endurance test
7.7 Checking gas-flow rates
7.8 Safety against sustained backfire and blowing-off of the flame
7.9 Stability in air currents
7.10 Verification of the device against inadvertent operation
16 8 Marking
8.1 General
8.2 Marking of the shank
8.3 Marking of the attachment
9 Code letters identifying the gas(es) used
10 Instructions for use
18 Bibliography

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BSI 23/30445661 DC
$13.70