... 316L Series: 1pc, 2pc, 3pc internal thread... 2 PCS Ball Valve Size:1/4"-4"Rating:CL150- ... CL2500 Materials:C.S,S.S,F.S Certificates:ISO9001:2000 ... B16.34, API6D, BS5351 Face to Face Std.: ASMEB16.10 (JISB2002),API 6D, DIN3202, ASME B16.25End Connection ... Three-Piece,Reduced bore, Full bore Floating type(1/2 -10 ), trunnion type(2 -32 ),Operated way: Lever, Gear, Pneumatic, ...