Cast Iron Wafer Handle Single Stem Butterfly Valve DN40-600,PN10/16;Body:CI DI WCB SS 24months guarante Size: DN40-600mmRating: PN10/16, ANSI125/150Material of main parts:Body: Cast iron, ductile iron, stainless steel, cast steel (WCB)Disc: Monel, ductile iron, stainless steel, ductile iron with nylon coatedSeat: EPDM or NBR or PTFEStem: SS416 or SS316Pin: SS316Operated: Handle or wormgear, ...