Standard NBN EN ISO 21904-4:2020

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 (ISO 21904-4:2020)
Status
:
Active
Publication date
:
4/2020
Languages
:
EN/FR/DE
ICS
:
13.100 Occupational safety. Industrial hygiene 25.160.30 Welding equipment
Summary :
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.
Preview
Add to cart
EUR 50.00 (excl. VAT)
Select your language
Viewer title
...
The NBN uses cookies to improve your user experience. By continuing to use this site you agree to our use of cookies as described in the NBN privacy statement.
Decline