... 316 316L Series: 1pc, 2pc, 3pc internal thread... 2 PCS Ball Valve Size:1/4"-4"Rating:CL150-CL2500 Materials ... , BS5351 Face to Face Std.: ASMEB16.10 (JISB2002),API 6D, DIN3202, ASME B16.25End Connection Std.: ASME ... -2550,ASME B16.34Test Standard: ISO5208, API598 (JISB2003), API 6D, BS 6755Structure Type: One-piece, Two-piece, ... Gear, Pneumatic, Electric ActurtorCertificates:ISO9001TS 2 pcs ball valve