BS EN ISO 21904-4:2020
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Health and safety in welding and allied processes. Equipment for capture and separation of welding fume Determination of the minimum air volume flow rate of capture devices
Hardcopy , PDF
27-08-2024
English
27-08-2024
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
WEE/40
|
| DocumentType |
Standard
|
| ISBN |
9780580995255
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
This document specifies two methods for establishing the minimum air volume flow rate. One method is dedicated for use with captor hoods, nozzles and slot nozzles with a ratio of slot length to hose diameter of 8:1 or less. The other method is dedicated for use with on-gun extraction devices.
These methods are not applicable to down draught tables.
| Standards | Relationship |
| ISO 21904-4:2020 | Identical |
| EN ISO 21904-4:2020 | Identical |
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