Quick-close valve control box is a remotecontrol plant, which is suitable for fuel oil tank, lub oil tank and daily supplying fuel oil tank of ship, to shut off oil circuits and prevent the fire from spreading.

Principle Description
The air source input from ship to the air receiver of air-powered quick-close valve control box. Air pressure in the receiver can keep in setting valve through pressure controller. The air in the receiver divided into several ways by distributor. In case of emergerly, open the plug quickly, the air-powered quick-close valve's piston which is on the oil transferring pipe will be closed by air.