Check Valve Hydraulic Check Valve NFPA Size D03 Pressure Port Operation Type - Hydraulic Valves Max Flow - Hydraulic Valves 20 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.) 2.76 in Width (In.) 1.77 in Height (In.) 1.57 in CM2 ISO 4401 NFPA D03 Standards For Use With D03 Valves