Severity
Near-Miss
Leak
No
Ignition
No

Incident Synopsis
While transferring liquid H2 from a tanker, the burst disk ruptured at 50 psi. The pressure limit for the operation was 30 psi.

Cause
The operator turned on the pressure valve and left it unattended, permitting pressure buildup past the allowed 30 psi.

Incident Date
Dec 31, 1969
Equipment
  • Pressure Relief Devices
  • Burst Disk
  • Vehicle & Fueling Systems
  • Liquid Hydrogen Delivery Vehicle
Damage and Injuries
Characteristics
When Incident Discovered
Lessons Learned

Refueling operations need to be conducted in a careful and attentive manner, and operators need to be aware of the potential consequences of their actions.