TSO
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.
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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.
You might also be looking for