... "-40" Certification:ISO9001,API6D, class 150-1500 ball valve size: 2"-48" standard :ISO9001,API6D ... series floating ball valve,G3 series trunnion ball valve, G2 series trunnion ball valve, T series trunnion ball valve 2 ... wedding end, socket welding, NPT screwed end5. Material:Ball Material: 304, 316, 13%Cr, C.S+ENPSeat ... have the certifications such as ISO9001,CE, API6A, API6D, API16A, API16C. Ball Valve