Why does Inert Gas Generator have two Oxygen content -related alarms: High and Low content?

26 Oct, 07:51

Oct. 26, 2020, 7:51 a.m.
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Answer:

The O2-HIGH alarm value is fixed by the application of the inert gas, the tank atmosphere must not support the combustion.

The O2-LOW alarm value protects against under stoichiometric combustion (too high content of combustibles CO + H2). Both alarms will cause the purge valve to open and delivery valve to close.

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26 Oct, 07:57

Oct. 26, 2020, 7:57 a.m.
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