Published
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.
PUBLISHED
ISO 17778:2015
90.92
Standard to be revised
Jun 8, 2026
Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships (ISO 17778:2015)
60.60 Standard published