Electric actuator butterfly valve DN50-1200 or 2-48'' PN10/16/25 With CE ... certificate Standard:DIN,BS,API,JIS,MSS etc Electric actuator butterfly valve Feature:1) Standard for face to face: DIN, BS, API, MSS, ANSI ... kinds of butterfly valves for your choose including Wafer, Lug, U type, D341(centerline double flanged butterfly valve), D343(double eccentric flanged butterfly valve), Grooved end ...