xxa meaning in oil and gas
Definition
Miscellaneous Shutdown Alarm
xxa means Miscellaneous Shutdown Alarm. X= Miscellaneous. X is sometimes also used for shutdown (or emergency shutdown) hence "XX". A= Alarm. GN 35-050 (Equipment Identification Specification) gets you to XA, additional…
X= Miscellaneous. X is sometimes also used for shutdown (or emergency shutdown) hence "XX". A= Alarm. GN 35-050 (Equipment Identification Specification) gets you to XA, additional X for shutdown may be a local variant.
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