Severity
Near-Miss
Leak
Yes
Ignition
No

A valve packing started to leak during cold ambient temperatures. A technician was dispatched. He first reduced the pressure to minimize the release and then re-tightened the packing to stop the leak.

Incident Date
Dec 19, 2004
Setting
Equipment
  • Hydrogen Storage Equipment
  • Vessel
  • Piping/Fittings/Valves
  • Valve
Damage and Injuries
Probable Cause
Contributing Factors
Characteristics
When Incident Discovered
Lessons Learned

Included inspection on monthly preventive maintenance plan and evaluated alternate materials for better cold-weather performance.