10.20 Sep 28, 2026
ISO
ISO/TC 197
International Standard
This document outlines the specification of 60° female cone end-connections for high-pressure
components in hydrogen supply systems. This is appliable for tube couplings up to 12.7 mm
external diameter.
This requirement includes dimensional specification and related tolerances, assembly
description, usage and assembling recommendation, material choices including hardness and
hydrogen compatibility, and related norms.
PROJECT
ISO/NP 27163
10.20
New project ballot initiated
Sep 28, 2026