Why using 3 to 15 psi in pneumatic instruments?

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What type of PSI signal we use to operate any instrument?Also tell that we use A...
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waqas ikram malik
08-October-2015

Instrumentation

Question added by Nasuruddeen K K , Instrumentation Engineer , Travancore Cochin chemicals
Date Posted: 2016/10/24

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by Ahmed Alghamdi , Instrument Engineer , Sadara

3 psi to indicate live signal instead of using 0 and 15 as a max for safe pressure in case of a leak or blast

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