CRD series pneumatic quick closing valve control box is the fuel tank,oil tank or daily fuel tank of the ship,to achieve pneumatic remote-control operation to close the valve and cut off the oil circuit,in the case of fire emergency, effectively prevent the spread of fire and avoid heavy losses.The indicators of the equipment comply with the provisions of CB/T3658-1995 "Remote Control Device for Pneumatic Quick Closing Valve of Oil Tank".