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Clean Hydrogen Partnership

Release from a dispenser of a HRS

Event

Event ID
396
Quality
Description

A hydrogen leak was detected in the dispenser pump causing the alarm to sound.

Event Initiating system
Classification of the physical effects
Unignited Hydrogen Release
Nature of the consequences
release, no ignition
Macro-region
Europe
Country
United Kingdom
Date
Component involved
dispenser (pump)
Failure mode
leak
Initiating cause
unknown
Root causes
Date entry in HIAD
01/01/2017

Facility

Application
Hydrogen refuelling station
Sub-application
unspecified HRS type
Hydrogen supply chain stage
All components affected

H2 dispenser

Process temperature range [C]
ambient temperature (-50°C to +50°C)
Process pressure range [MPa]
medium to high pressure (10 to 50 MPa)
Location type
Unknown
Location
unknown
Operational condition

Emergency & Consequences

Number of fatalities
0
Number of injured persons
0
Post-event summary

The relief value was replaced.

Emergency action

The relief value was replaced.

In-depth data

Release type
gas
Involved substances (% vol)
H2 100%
Release temperature [°C]
25
Probable IGNITION SOURCE

References

Sources categories
Investigation report
Reference & weblink

Provided to JRC by the operator of the facility (confidential)