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E-mail: Prodaja standarda: prodaja@iss.rs Seminari, obuke: iss-edukacija@iss.rs Informacije o standardima: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
SRPS EN ISO 21904-4:2020
Zdravlje i bezbednost u zavarivanju i srodnim postupcima – Oprema za uzimanje i odvajanje dima pri zavarivanju – Deo 4: Određivanje minimalne zapremine protoka hvatača vazduha
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)
29. 5. 2020.
Kupovina
Objavljen
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
SRPS EN ISO 15012-2:2009
TRENUTNO
OBJAVLJEN
SRPS EN ISO 21904-4:2020
60.60
Standard objavljen
29. 5. 2020.