The Caterpillar CAT 9J-4703 breaker relief valve alt PN 3G-9895 for d series tractors is a flow-control valve from Caterpillar. It regulates or directs the flow of fluid or air within a fluid power circuit, switching or metering flow as its actuator or solenoid is energized. It is commonly in process plants, packaging equipment, and industrial fluid handling systems.
