ISO 21904-4:2020
p
ISO 21904-4:2020
72139
Status : Published
en
Format Language
std 1 61 PDF + ePub
std 2 61 Paper
  • CHF61
Convert Swiss francs (CHF) to your currency

Abstract

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.

General information

  •  : Published
     : 2020-02
    : International Standard published [60.60]
  •  : 1
     : 10
  • ISO/TC 44/SC 9
    13.100  25.160.30 
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