Event
- Event ID
- 36
- Quality
- Description
The hydrogen release of a defect valve on the hydrogen supply line ignited due to an unknown cause. The fire caused the melting of soldered joint with consequence additional release of hydrogen at 6.2 bar, which contributed the fire.- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Fire (No additional details provided)
- Macro-region
- North America
- Country
- United States
- Date
- Main component involved?
- Valve (Generic)
- 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 INITIATING CAUSE was a defective component: a valve was reported as closed, but it was leaking.
The ROOT CAUSE is unknown.
Facility
- Application
- Electronics And Micro-Electronics
- Sub-application
- electrical & electronic products
- Hydrogen supply chain stage
- All components affected
- valve, soldered joint
- Location type
- Unknown
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Environmental damage
- 0
- Currency
- US$
- Property loss (onsite)
- 5500
- Property loss (offsite)
- 0
- Post-event summary
- No injuries, 5500 $ material losses
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Release duration
- unknown
- Actual pressure (MPa)
- 0.6
- Design pressure (MPa)
- 0.6
- Presumed ignition source
- Not reported
- Flame type
- Other
References
- Reference & weblink
Table II of Appendix A of Zalosh and Short<br />
COMPARATIVE ANALYSIS OF HYDROGEN FIRE AND EXPLOSION INCIDENTS<br />
Quarterly Report No. 2 for Period December 1, 1977 - February 28, 1978<br />
https://www.osti.gov/biblio/6566131<br />
(accessed September 2020)
JRC assessment
- Sources categories
- Zalosh
