Butterfly Valve Wafer Style Body Material Ductile Iron Max Water Pressure 200 psi Pipe Size 6 in Temp Range -20 to 300 Degrees F Liner Material Viton Disc Material 316 Stainless Steel Handle Type Gear Operated Number of Bolt Holes 2 Bolt Circle Dia 9 1/2 in Lug Dia 3/4-10 Standards MSS-SP25 And API-609 MSS-SP67