An Air Tank Control Valve is used to control the flow of air into and out of an air tank. It is a two-way valve that is used to either open or close the flow of air. Air tank control valves are used in pneumatic systems to control the flow of air to and from pneumatic actuators, such as cylinders and motors.Attributes: • Isolate the air tank from the system• Prevent the air tank from emptyingApplications:An Air Tank Control Valve is used to control the pressure in the air tank and protect the air tank from overpressure.