Manually Actuated Butterfly Valve: Style: Butterfly AWWA C504 End connection: ANSI 125/150 Flanged Body material: Ductile iron Packing: Acrylonitrile Butadiene Non-Adjustable Seat material: BUNA Service class: AWWA class 250B Disc: Ductile iron with stainless steel edge Shaft: 17-4 PH Stainless steel Actuator type: Handwheel