20.00 Jun 8, 2026
ISO
ISO/TC 138/SC 5
International Standard
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
PROJECT
ISO/AWI 17778
20.00
New project registered in TC/SC work programme
Jun 8, 2026
Plastics piping systems — Fittings, valves and ancillaries — Determination of gaseous flow rate/pressure drop relationships
10.99 New project approved