West Virginia Office of Miners' Health Safety and Training

An Equipment Failure - Emergency Shelters
Last revised:  03/12/12 12:10 PM

Memo to industry concerning an equipment failure. 

Also see the photos below and the specification sheet:

Photo 1: Oxygen tank with failed nut on tank and nipple with top of nut above.
Photo 2: Oxygen tank with failed nut on tank and nipple with top of nut above.
Photo 3: Photo of nipple with fragment of nut.
Photo 4: Photo of nut with missing top.

Compressed gas Association specification sheet for CGA-701 nut and nipple. (pdf)

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