ISO 21904-4:2020
p
ISO 21904-4:2020
72139
No disponible en español

Estado : Publicado

es
Formato Idioma
std 1 63 PDF + ePub
std 2 63 Papel
  • CHF63
Convertir Franco suizo (CHF) a tu moneda

Resumen

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.

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Informaciones generales

  •  : Publicado
     : 2020-02
    : Norma Internacional publicada [60.60]
  •  : 1
     : 10
  • ISO/TC 44/SC 9
    13.100  25.160.30 
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