NF EN ISO 17778
Plastics piping systems — Fittings, valves and ancillaries — Determination of gaseous flow rate/pressure drop relationships
Le présent document spécifie une méthode pour la détermination du rapport débit gazeux/perte de charge des composants de systèmes de canalisations en plastiques, les essais ayant lieu avec de l''air à 25 mbar.
Le présent document spécifie une méthode pour la détermination du rapport débit gazeux/perte de charge des composants de systèmes de canalisations en plastiques, les essais ayant lieu avec de l''air à 25 mbar.
Le présent document décrit une méthode pour déterminer le rapport débit/ perte de charge des raccords mécaniques, des robinets, des prises de branchement ainsi que des équipements auxiliaires, qui composent les systèmes de canalisation en polyéthylène (PE) déstinés à la distribution de combustibles gazeux.
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