Pilot Operated Check Valve Hydraulic Pilot Operated Check Valve NFPA Size D03 A Port Operation Type - Hydraulic Valves Max Flow - Hydraulic Valves 14 gpm Max Pressure - Hydraulic Valves 5 000 psi - Hz - Inrush Amps - Holding Amps Max Tank Pressure (PSI) - Adjustable PSI Range - Nitrile O-Ring Seal Type Length (In.) 5.08 in Width (In.) 1.77 in Height (In.) 1.57 in CPOM2 ISO 4401 NFPA D05 Standards For Use With D03 Valves