The first quad-redundant, on-line repairable, on-line testable hydraulic trip system independently verified to meet SIL 3.
The TetraSentry has genuine reliability which means you don’t have to worry whether it’s going to trip your turbine when you need it to and it won’t trip your turbine when you don’t.
Most redundant hydraulic trip systems take up as much space as a small SUV, are about as complex and have nearly as many parts. The TetraSentry is simple, has very few parts and it’s about the size of your smallest Operator.
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