ISO 21904-4:2020 PDF
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
Название (английский):
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
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 10
- Дата публикации:
- 21 февраля 2020 г.
- Издание:
- ISO IS 21904 edition 1 version 1
- ICS:
- 13.100
Описание (английский):
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.
Технические детали
- Технический комитет
- ISO/TC 44/SC 9 - Health and safety
- SKU
- ISO 21904-4:2020