Butterfly Valve Lug Style Body Material Cast Iron Max Water Pressure 200 psi Pipe Size 8 in Temp Range -20 to 300 Degrees F Liner Material Viton Disc Material Nickel Plated Ductile Iron Handle Type Gear Operated Number of Bolt Holes 8 Bolt Circle Dia 3/4-10 Lug Dia 3/4-10 Standards MSS-SP25 And API-609 MSS-SP67