Butterfly Valve: Style: Butterfly AWWA End connection: ANSI 150 Flanged Body material: Ductile iron Packing: Acrylonitrile Butadiene Non-Adjustable Seat material: EPDM Service class: AWWA C-504, Class 150B Disc: Ductile iron with 316 stainless steel edge Shaft: 304 Stainless steel Actuator type: Manual Gearbox