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Norm
ISO 21904-4:2020
Ausgabedatum: 2020 02 21
Health and safety in welding and allied processes — Equipment for capture and separation of welding fume — Part 4: Determination of the minimum air volume flow rate of capture devices
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 ...
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Herausgeber:
International Organization for Standardization
Format:
Digital | 10 Seiten
Sprache:
Englisch
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.
ISO 21904-4:2020
2020 02 21
Health and safety in welding and allied processes — Equipment for capture and separation of welding ...
Norm
↖
ISO 15012-2:2008
2008 03 20
Health and safety in welding and allied processes — Requirements, testing and marking of equipment f...
Norm