Butterfly Valve Wafer Style Body Material Ductile Iron Max Water Pressure 200 psi Pipe Size 4 in Temp Range 10 to 180 Degrees F Liner Material Buna Disc Material Nickel Plated Ductile Iron Handle Type 10 Position Spring Locked Number of Bolt Holes 2 Bolt Circle Dia 7 1/2 in Lug Dia 5/8-11 Standards MSS-SP25 And API-609 MSS-SP67