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DANSK DS/EN ISO 21904-3 PDF

DANSK DS/EN ISO 21904-3 PDF

Name:
DANSK DS/EN ISO 21904-3 PDF

Published Date:
03/27/2018

Status:
[ Active ]

Description:

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-torch welding fume extraction devices (ISO 21904-3:2018)

Publisher:
Dansk Standard

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$22.5
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ISO 21904-3:2018 defines a laboratory method for measuring the welding fume capture efficiency of on-torch extraction systems. The procedure only prescribes a methodology, leaving selection of the test parameters to the user, so that the effect of different variables can be evaluated. ISO 21904-3:2018 is applicable to integrated on-torch systems and to systems where a discrete extraction system is attached to the welding torch close to the arc area. The methodology is suitable for use with all continuous wire welding processes, all material types and all welding parameters. The method can be used to evaluate the effects of variables such as extraction flow rate, extract nozzle position, shielding gas flow rate, welding geometry, welding torch angle, fume emission rate, etc., on capture efficiency.


Edition : 18
File Size : 1 file , 1.3 MB
Number of Pages : 34
Product Code(s) : DS-031, DS-031
Published : 03/27/2018

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