Series DF206 butterfly valve designed to MSS-SP-67,BS5155,and AP1609.Compatible  with
GB,DIN,BS,ANSI125/150flanges.Face to face according to ISO5752.Characterristic of series F180 butterfly valve is to splice the rubber liner on the body,the tength more highly and the seal more reliaby for the seat.There is O-ring casted on the seal surface of the seat,negates need for flange gaskets.One-piece thru shafe ensures dependability.Availablein size2''-48''.Vailable with handles,manual gear operators,and electric or pneumatic actuators.