High Pressure Regulator Maximum input pressure:500,2200,3000psi Proof pressure:1.5 times of max.rated pressure Spring:SS 316L PR01 Series Pressure RegulatorSymbol:Technical Data:Maximum input pressure500,2200,3000psiOutput pressure0-25,0-50,0-100,0-250,0-500psiProof pressure1.5 times of max,rated pressureWorking temperature-40+165 deg F(-40+74 deg C)Inboard leakage2*10-8 atm cc/sec HeFlowCv =0. ...