Abstract

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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 

  • Status
     : Published
    Publication date
     : 2020-02
  • Edition
     : 1
    Number of pages
     : 10
  • Technical Committee
     : ISO/TC 44/SC 9 Health and safety
  • ICS
     :
    13.100 Occupational safety. Industrial hygiene
    25.160.30 Welding equipment

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