Double Relief Valve Pressure Range - Hydraulic Valves 1500 to 3000 psi Port Size - Hydraulic Valves 3/4 in NPT Max Flow - Hydraulic Valves 30 gpm Body Material - Hydraulic Valves Cast Iron Preset Setting (PSI) 2000 psi @ 10 gpm Overall Height 2.0 in Overall Length 4.5 in Overall Width 7.0 in