Application CSKX series control box for quick closing valve is a remote control plant, which is suitable for fuel oil tank, lubricating oil tank and daily supplying fuel oil tank of ship, Under the urgent condition of a fire, to shut off oil circuits and prevent the fire from spreading. The control box for quick closing valve of the installation form: Built-in, so install convenience, shape beauty. Principle Description The air source input from ship to the air vessel of control-box, the air in the vessel divided into several ways by distributor. In case of emergent, quickly open the two-position three chunnel valve, The piston of air-driven quick closing valve which is on the oil transferring pipe will be closed by air. After a fire remove, the two-position three chunnel valve resume one's normal position, the air-driven quick closing valve automatic sume one's seat.