Abstract / scope
ISO 17778:2015 specifies a method for determining the flow rate/pressure drop relationship of components for plastics piping systems when tested using air at 25 mbar.
ISO 17778:2015Published
Plastics piping systems — Fittings, valves and ancillaries — Determination of gaseous flow rate/pressure drop relationships
Systèmes de canalisations en plastiques — Raccords, robinets et équipements auxiliaires — Détermination du rapport débit gazeux/perte de charge
A new edition is under development: ISO/AWI 17778.