Event
- Event ID
- 403
- Quality
- Description
One of the two dispensers at a refuelling station for buses shutdown at a refuelling station.
The dispenser company were called and confirmed there was an issue with the dispenser. The station operator switched to the second dispenser. Fuelling was not interrupted.- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- leak no ignition
- Macro-region
- Europe
- Country
- United Kingdom
- Date
- Component involved
- dispenser (generic)
- Failure mode
- leak, no ignition
- Initiating cause
- unknown
- Root CAUSE analysis
The dispenser registered that the pressure was dropping, indicating a leak so it shut itself down.
- Root causes
- Unknown
- Date entry in HIAD
- 01/01/2020
Facility
- Application
- Hydrogen refuelling station
- Sub-application
- Hydrogen dispenser
- Hydrogen supply chain stage
- All components affected
H2 Dispenser
- Process temperature range [C]
- ambient temperature (-50°C to +50°C)
- Location type
- Unknown
- Location
- populated area
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Post-event summary
The dispenser registered that the pressure was dropping, indicating a leak so it shut itself down. The product engineer visited the site and found a leaking valve. A new part was ordered and replaced approximately one week later. Meanwhile, the site run on the second dispenser without spare (this second dispenser was also checked).
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)
