... , DI, WCB, stainless steel disc-DI, CF8, CF8M, C954 steel Wafer Butterfly Valve SizeDN40 - DN500Design StandardAPI 609End flangeANSI 125/150# ,DIN2501Face to faceEN ... (DN50 - 300), gear operators, electric and pneumaticcontrol actuators grey iron wafer lug midline butterfly valve