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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
21. 2. 2020.

Опште информације

90.92     8. 10. 2025.

ISO

ISO/TC 44/SC 9

Međunarodni standard

13.100     25.160.30  

engleski   francuski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

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.

Životni ciklus

PRETHODNO

POVUČEN
ISO 15012-2:2008

TRENUTNO

OBJAVLJEN
ISO 21904-4:2020
90.92 Odluka o izmeni ili reviziji standarda
8. 10. 2025.

REVIDIRAN OD

PROJEKAT
ISO/AWI 21904-4

Nacionalna preuzimanja

SRPS EN ISO 21904-4:2020  
ISS

Zdravlje i bezbednost u zavarivanju i srodnim postupcima – Oprema za uzimanje i odvajanje dima pri zavarivanju – Deo 4: Određivanje minimalne zapremine protoka hvatača vazduha

60.60   Standard objavljen

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