Dual Crossover Hydraulic Relief Cushion Valve, 1/2 NPT Ports, 19 GPM. Provides crossover relief protection for reversible hydraulic motors or can be used as a cushion valve for a double acting cylinder. Used to stop/minimize surges, shocks and overloads on hydraulic circuits. Valve is installed between the control valve and motor/cylinder (recommended to be installed closer to motor/cylinder to prevent pressure drops). Features: Port Size: 1/2 NPT. Max Flow Rate: 19 GPM. Adjustable Relief Range: 150-2600 PSI. Preset Relief Setting: 1300 PSI. Max Pressure Rating: 5000 PSI.