... MSS67-1995. 2.Top Flange:ISO5211,AWWAC504. 3.Test : API598. 4.Stable drive torque. 5.Good quality. Name :2 ... JIS / ASE / ASD / BS10D / BS10E / UNI Inspection and test API598 , ISO5208-1982 Driving styleLever , gear , actuator , pneumatic Feature :- ... type butterfly valve (flange connection , style : electronic / pneumatic ) 4.Double eccentric butterfly valve (style : electronic / pneumatic ) 5. ...