... ,F316LDesign & Manufacture Std.: API608, ASME B16.34, API6D, BS5351 Face to Face Std.: ASMEB16.10 (JISB2002),API 6D, DIN3202, ASME B16 ... ), trunnion type(2 -32 ),Operated way: Lever, Gear, Pneumatic, Electric ActurtorCertificates:ISO9001TSUpdate Date:2011-03-09 19:13:11 Pneumatic Actuator With Butterfly Valve