Rubber-Lined Butterfly Valve Size Range: 2"-8" / DN50- DN200 Pressure Rating: PN1.0 Rubber-Lined Butterfly ValveSize Range: 2"-8" / DN50- DN200Pressure Rating: PN1.0 Body Material: Cast iron, Cast steel, Ductile ironDisc Material: Cast iron, Cast steel, Ductile iron, Stainless steelShaft Material: Stainless steelSeal: UR, NBR, EPDM, FPM Connection: WaferDriving: Leave