Pilot-operated check valve, Valve Type: Modular plate piloted check (sandwich design)., Maximum Range: Up to approx. 450 L/min (119 gpm)., Maximum Working Pressure: 315 bar (4500-4570 psi)., Mounting Interface: ISO 4401-08 (Dimension D08)., Configuration: Check valve on port A, piloted by port B., Materials: Cast iron body with gaskets Buna-N (Nitrile).