Event
- Event ID
- 275
- Quality
- Description
- Fire in bulk hydrogen storage compound. Pressure gauge shut off valve spindle blown out (could be completely unscrewed and removed). The subsequent leak ignited by unknown source. No injuries sustained by personnel. Fire extinguished by station staff.
- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Macro-region
- Europe
- Date
- Main component involved?
- Valve (Shut-Off)
- 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
- INITIATING cause was the blown off of the pressure gauge shut off valve spindle.
The subsequent leak ignited by unknown source.
Nothing can be said on the root cause
Facility
- Application
- Hydrogen Stationary Storage
- Sub-application
- Hydrogen stationary storage
- Hydrogen supply chain stage
- Hydrogen Storage (No additional details provided)
- All components affected
- Pressure gauge valve
- Location type
- Unknown
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Emergency action
- The existenceof the leak was checked by operators' portable 4-gas detectors.
The valve on the tube trailer side was immediately closed by the trailer driver. The hydrogen transfer was stopped, and all the piping was purged with gaseous nitrogen and then vented.
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Presumed ignition source
- Not reported
- Deflagration
- N
- High pressure explosion
- N
- High voltage explosion
- N
References
- Reference & weblink
Event description provided by HSE, original source confidential
JRC assessment
- Sources categories
- HSE
