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
- Macro-region
- North America
- Country
- United States
- Date
- Component involved
- valve (generic)
- Failure mode
- leak
- Initiating cause
- unknown
- 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.
- Root causes
- Date entry in HIAD
- 28/02/2009
Facility
- Application
- Electrical, electronics and micro-electronics industry
- Sub-application
- electrical and/or electronic components production
- Hydrogen supply chain stage
- All components affected
H2 supply line
- Process temperature range [C]
- unknown
- Process pressure range [MPa]
- low to medium pressure (below 2 MPa)
- Location type
- Unknown
- Location
- unknown
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Currency
- US$
- Property loss (onsite)
- 5.500
- Post-event summary
No injuries, 5500 $ material losses
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Release pressure [MPa]
- 0.6
- Probable IGNITION SOURCE
References
- Sources categories
- Zalosh
- Reference & weblink
Table II of Appendix A of Zalosh and Short
COMPARATIVE ANALYSIS OF HYDROGEN FIRE AND EXPLOSION INCIDENTS
Quarterly Report No. 2 for Period December 1, 1977 - February 28, 1978
https://www.osti.gov/biblio/6566131
(accessed September 2020)
