... 316L Series: 1pc, 2pc, 3pc internal thread... 2 PCS Ball Valve Size:1/4"-4"Rating:CL150-CL2500 Materials:C.S ... .34Test Standard: ISO5208, API598 (JISB2003), API 6D, BS 6755Structure Type: One-piece, Two-piece, Three-Piece,Reduced bore, Full bore ... Floating type(1/2 -10 ), trunnion type(2 -32 ),Operated way: Lever, Gear, Pneumatic, Electric ActurtorCertificates:ISO9001TS 2 pcs ball valve