Description:Cat® Check Valve is designed to provide a uni-directional fluid flow and prevent back flow. They are installed in pipelines to prevent backflow. A check valve is basically a one-way valve, in which the flow can run freely one way. Cat® Valves are designed to provide a fluid flow in hydraulic fluid lines in Cat heavy duty equipment's.Application:Consult your owner's manual or contact your local Cat Dealer for more information.