Description:Cat® Relief Valve Groups is a type of safety valve used to control or limit the pressure build-up by releasing fluid when the safety threshold has been reached, otherwise pressure might build up and create a failure, or fire. Cat® Relief valve is designed or set to open at a predetermined set pressure to protect pressure vessels. Cat® Valves are manufactured to precise specifications and are built for durability, reliability, productivity.Maximum Flow : 60 L/Min ( 15.85 G/Min)Pressure Setting : 90 bar (1305.33 psi)Pressure Setting Flow : 5 L/Min (1.32 G/Min)Maximum Internal Leakage : 200 cm/min at 80% of nominal pressure settingOil Viscosity : 12 to 400 csOil Temperature : -20°C to 100°CApplication:Cat® Relief Valve Assembly used to service control valve groups in hydraulic systems in Cat machines. Consult your owner's manual or contact your local Cat Dealer for more information.