Event
- Event ID
- 831
- Quality
- Description
- A fire occurred on a valve of a hydro-desulphurisation unit in a refinery. The failed gland was modified and fire extinguishers by steams were installed permanently .
- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Fire (No additional details provided)
- Macro-region
- Europe
- Country
- France
- Date
- Main component involved?
- Valve (Gland)
- How was it involved?
- Leak & Formation Of A Flammable H2-Hc-Air Mixture
- Initiating cause
- Material Degradation (Generic)
- Root causes
- Root CAUSE analysis
- The reason for the failure of he joint is not provided. The fact however that fire finghting equipment was installed after the event sugests som eshortcoming in the risk mitigating meaasures of the unit.
Facility
- Application
- Petrochemical Industry
- Sub-application
- Hydrodesulphurisation process
- Hydrogen supply chain stage
- All components affected
- a valve of a hydrodesulfurization unit
- Location type
- Open
- Location description
- Industrial Area
- Operational condition
- Unknown (No additional details provided)
- Description of the facility/unit/process/substances
- ADESCRIPTION OF THE FAILED JOINT
"A stuffing box or gland package is an assembly which is used to house a gland seal.[1] It is used to prevent leakage of fluid, such as water or steam, between sliding or turning parts of machine elements."
[https://en.wikipedia.org/wiki/Stuffing_box]
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
Lesson Learnt
- Corrective Measures
- Steams fire extinguishers were installed permanently .
Event Nature
- Release type
- gas mixture
- Involved substances (% vol)
- unknown
- Presumed ignition source
- Not reported
References
- Reference & weblink
ARIA data base event no. 11663<br />
<br />
(acessed December 2025)
JRC assessment
- Sources categories
- ARIA
