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Jan 312011

QCV blocked utilizing a wooden block to hold the valve in the open position.

US Coast Guard Port State Control Officers  are discovering Fuel Oil Quick-Closing Valves, QCVs, intentionally blocked, modified, and poorly maintained preventing them from operating as designed during an emergency.
QCVs are positive shutoff valves on fuel oil systems serving to isolate fuel tanks in the event of a fire and also prevent “fueling” of a fire in circumstances where system piping and components are compromised. In some circumstances they could be the only means of securing the fuel to a flammable liquid fire. These valves are designed to be remotely operated.

Inoperable QCVs create a very serious hazardous condition putting the vessel and its crew at greater risk in the event of a fire. Continue reading »