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 (No additional details provided)
- Macro-region
- Europe
- Country
- United Kingdom
- Date
- Main component involved?
- Dispenser
- How was it involved?
- Leak & Formation Of A Flammable H2-Air Mixture
- Initiating cause
- Unknown
- Root causes
- Unknown (No additional details provided)
- Root CAUSE analysis
- The dispenser registered that the pressure was dropping, indicating a leak so it shut itself down.
Facility
- Application
- Hydrogen Refuelling Station
- Sub-application
- Hydrogen dispenser
- Hydrogen supply chain stage
- Hydrogen Delivery (No additional details provided)
- All components affected
- H2 Dispenser
- Location type
- Unknown
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 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).
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Presumed ignition source
- No ignition
References
- Reference & weblink
Report were available & confidential, and now is lost
JRC assessment
- Sources categories
- Investigation report
