Special Material Valve:Titanium,Nickel Alloy,Zirconium,Nickel-Al Bronze,Super(Dulex), Nickel-Al Bronze,347, 321, 310, etc. Design and ... ®, Monel®, Alloy 20,)Zirconium (702/705)(Super) Duplex347, 321, 310, etc.Nickel-Al Bronze Butterfly Valve Specification:Size: 6” -12”Pressure:600 ...