MODEL C354TS - Halon 1211
Typical use: Cockpit/Cabin
Smallest model with a discharge hose (to facilitate proper upright use). Twenty percent more Halon 1211 than model C352TS, is the same size and uses the same mounting bracket.
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The inspection and maintenance requirements for gauged fire extinguishers such as model C354TS, C352TS and A344T per NFPA 10 call for a 6-year maintenance and a 12-year hydrostatic test calculated from the month and year of manufacture. As long as the extinguisher undergoes the maintenance and passes the test it can remain in service.
H3R Aviation calculates the remaining shelf life of its gauged fire extinguishers by comparing the timing of the 6-year maintenance to the month and year of manufacture per the following formula.
(72 months - Months elapsed from manufacture date) / 72 months = Shelf life remaining
For example, if an extinguisher was manufactured in February of 2009 and the current month is June 2009, it has a remaining shelf life of 94%.
(72 months - 4 months) / 72 months = 94%
Per H3R: As long as it is maintained and serviced properly, there is NO shelf life.