MET-L-X And LITH-X Extinguishers Tool34 Flashcards
What type of extinguisher do you use to extinguish a combustible metal fire? 1.2.
Class D extinguisher
What are the 2 class D extinguishers that are used but have slightly different capabilities? 1.2.
MET-L-X
LITH -X
MET-L-X is specifically developed for fires involving certain?
2.1
Alkali metals( combustible metals)
Suitable for fires in solid chunks such as casings.
The MET – L – X hand held extinguisher can be identified by? 2.3.
Yellow label affixed to the extinguisher which states
MET – L – X class D (or symbol )fires only
The LITH – X was specifically developed for use on?
3.1
Lithium fires, (batteries) but also effective when used to extinguish magnesium
The LITH – X extinguishers are superior on?
3.3
Very hot, burning metal fire, such as lithium.
The LITH – X effectiveness on vertical surfaces is
3.3
Diminished.
LITH – X does not cling to metal services so it is necessary to cover the burning metal completely.
The MET – L – X extinguisher is superior to LITH –X extinguisher adhering to hot ——- surfaces. 3.3.
Vertical
LITH – X superior on very hot burning metal fire, such as lithium.
The LITH – X handheld extinguisher can be identified by the label fixed to the extinguisher which states LITH – X. Will these extinguishers have the yellow label as found on the MET – L – X extinguishers. 3.4
No yellow label for the LITH-X
MET – L – X and LITH – X extinguisher optimum distance to start extinguisher is —- feet from the burning material, which is well within the range of these extinguishers.
Discharge time?
Coverage up to — feet - thickness?
4
Approximately 10 feet distance
30 seconds discharge
3 square ft 1” thickness coverage
MET – L – X & LITH – X extinguishers. It is important that overhaul of the hazard is delayed until the fuel is cooled. This may take up to. —— minutes.
5 H
Up to 30 minutes
The MET – L – X and LITH – X extinguishers shall be inspected when? 7.1.
Inspected weekly and after each use.
