Butterfly Valve Wafer Style Body Material Cast Iron Max Water Pressure 200 psi Pipe Size 4 in Temp Range -20 to 300 Degrees F Liner Material Viton Disc Material Nickel Plated Ductile Iron Handle Type Lever Number of Bolt Holes 2 Bolt Circle Dia 7 1/2 in Lug Dia 5/8 in -11 Standards MSS-SP25 And API-609 MSS-SP67