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ISO/AWI 17778

Plastics piping systems — Fittings, valves and ancillaries — Determination of gaseous flow rate/pressure drop relationships

General information

Current stage: 20.00 Effective date: Jun 8, 2026

Originator: ISO

Owner: ISO/TC 138/SC 5

Type: International Standard

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 17778:2015

NOW

IN_DEVELOPMENT
ISO/AWI 17778
20.00 New project registered in TC/SC work programme
Jun 8, 2026