... , C12, CF8, CF8M, CF3, CF3M, CF8C, etc.Design & Manufacture Std.: API, MSS, ASME, ASTM, BS, DINFace to Face Std.: ASMEB16.10 ... (JISB2002),API 6D, DIN3202, ASME B16.25End Connection Std.: ASME B16.5 ... ,ASME B16.25Test Standard: ISO5208, API600, API 6D, BS 6755Operated way: Handwheel, Gear, Electric Actuator