Hydraulic Inlet Section Max Flow - Hydraulic Valves 12 gpm Adjustable Pressure Range - Hydraulic Valves 1500 to 3000 psi #10 SAE Port Size - Hydraulic Valves Efficient Differential Poppet Smooth Design Offer Top and End Porting and are Machined for Cartridge Type Relief Valve - Circuit Section Preset Setting (PSI) 2 000 - Check Valve Type For Use With Stack Valve