0 Items
My account
Phone: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Standards sales: prodaja@iss.rs Education: iss-edukacija@iss.rs Information about standards: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Main menu

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

Feb 21, 2020

General information

90.92     Oct 8, 2025

ISO

ISO/TC 44/SC 9

International Standard

13.100     25.160.30  

English   French  

Buying

Published

Language in which you want to receive the document.

Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 15012-2:2008

NOW

PUBLISHED
ISO 21904-4:2020
90.92 Standard to be revised
Oct 8, 2025

REVISED BY

PROJECT
ISO/AWI 21904-4

National adoptions

SRPS EN ISO 21904-4:2020  
ISS

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)

60.60   Standard published

M044 more