Event
- Event ID
- 824
- Quality
- Description
A leak occurs at a flange on a hydrogen gas transport. The load consisted of 9 cylinders of 80 m³ each. The producer of these cylinders decides to let it leak. No consequences to report.
- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- leak no ignition
- Macro-region
- Europe
- Country
- France
- Date
- Component involved
- flange (generic)
- Failure mode
- rupture, no ignition
- Initiating cause
- unknown
- Root causes
- Unknown
- Date entry in HIAD
- 01/01/2020
Facility
- Application
- Hydrogen transport and distribution
- Sub-application
- CGH2 tube trailer
- Hydrogen supply chain stage
- All components affected
compressed hydrogen cylinders, flange
- 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
- Open
- Location
- highway or similar
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Post-event summary
No consequences to report.
- Emergency action
The producer of these cylinders decides to let it leak.
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Released amount (kg)
- 60
- Release temperature [°C]
- 25
- Probable IGNITION SOURCE
References
- Sources categories
- ARIA
- Reference & weblink
ARIA data base
event no. 52619
https://www.aria.developpement-durable.gouv.fr/accident/1693/
(accessed December 2023)
