ISO 19887-1:2024 Gaseous Hydrogen — Fuel system components for hydrogen-fuelled vehicles Part 1: Land vehicles

This document establishes requirements for newly produced compressed hydrogen gas fuel system components, as listed below, that are intended for use on hydrogen gas powered land vehicles:

a)       check valves (see Clause 8);

b)       manual valves (see Clause 9);

c)        manual container valves (see Clause 10);

d)       automatic valves and automatic container valves (see Clause 11);

e)       hydrogen injectors (see Clause 12);

f)         pressure sensors, temperature sensors, and pressure gauges (see Clause 13);

g)       pressure regulators (see Clause 14);

h)       pressure relief valves (PRV) (see Clause 15);

i)         pressure relief devices (PRD) (see Clause 16, and refer to ISO 19882);

j)         excess flow valves (see Clause 17);

k)       gastight housing and leakage capture passages (see Clause 18);

l)         rigid fuel lines (see Clause 19);

m)     flexible fuel lines, hoses, and hose assemblies (see Clause 20);

n)       filter assemblies (see Clause 21);

o)       fittings (see Clause 22);

p)       non-metallic, low-pressure rigid fuel lines (see Clause 23);

q)       discharge line closures (see Clause 24).