TSO meaning in oil and gas
Definition
Tight Shut Off
TSO means Tight Shut Off. TSO abbreviation - "Tight Shut Off" is used on P&IDs next to a valve (usually butterfly) to indicate that this valve can be tight shut.
TSO abbreviation - "Tight Shut Off" is used on P&IDs next to a valve (usually butterfly) to indicate that this valve can be tight shut.
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