... LF2 etc. Pressure:150Lb-600Lb SpecificationsForged Check Valve 1.CE,ISO9001,API6D,CQC,PDO 2.Forged ... F316L; F321; LF2 etc.Forged Check valve: SpecificationsCast Steel Ball Valve 1.Design:BS5351,ANSI B16.34,API6D ... water, oil,etcMaterial: WCB, WC6, WC9, LCB, CF8M, CF3M,ETC.Standard:Design and Manufacture: API 6D, ASME ... 4" Material:304(CF8,1.4301)/ 316(CF8M,1.4408) Pressure:800-2000PSI Medium:water, ...