... F316L; F321; LF2 etc.Forged Check valve: SpecificationsCast Steel Ball Valve 1.Design:BS5351,ANSI B16.34,API6D 2.Pressure ... , WC6, WC9, LCB, CF8M, CF3M,ETC.Standard:Design and Manufacture: API 6D, ASME B16.34Face To Face ... 25Test And Inspection: API 598, API 6DFire-safe Design: API 607/6FA Size:1/4"-4" Material ... Conact me.We believe the BEST SERVICE and BOTTOM PRICE will definitely win your heart. HelenS. ...