... LF2 etc. Pressure:150Lb-600Lb SpecificationsForged Check Valve 1.CE,ISO9001,API6D,CQC,PDO 2.Forged Check ... Valve Size 1/4"~2" 3.Class 800 ... F316L; F321; LF2 etc.Forged Check valve: SpecificationsCast Steel Ball Valve 1.Design:BS5351,ANSI B16.34,API6D 2 ... :1/2"-12"Model:JY065~Q41FPressure:150Lb-600LbApplicable Medium: steam, water, oil,etcMaterial: WCB, WC6, WC9, LCB ...