Butterfly Valve: Style: Butterfly AWWA End connection: ANSI 125/150 Flanged PN10 Body material: Ductile iron Packing: Acrylonitrile Butadiene Non-Adjustable Seat material: BUNA N Service class: AWWA class 150B Disc: Ductile iron with 316 stainless steel edge Shaft: 304 Stainless steel Actuator type: Pneumatic actuator