Cat check valves are designed to provide a uni-directional fluid flow and prevent back flow.Attributes: Prevents backflow Hex size (2x): 20.64 mm Inlet thread size: 3/8-18 NPTF Inlet gender: male Outlet thread size: 3/8-18 NPTF Outlet gender: female Maintains pressureApplications:Used as needed in various systems and are application specific. Consult your owner's manual or contact your local Cat Dealer for more information.
