Butterfly Valve Lug Style Body Material Stainless Steel A351 Gr. CF8M Max Water Pressure 150 psi Pipe Size 12 in Temp Range -20 to 500 Degrees F Liner Material PTFE Disc Material Stainless Steel Handle Type Lever Number of Bolt Holes 12 Bolt Circle Dia 17 in Lug Dia 18-3/4 in Standards ANSI Class 150 ASME B16.34 ASME B16.34 Steel Valves ASME B16.5 ASME/FCI 70-2 Control Valve leakage MSS-SP- Percent Percent Quality Castings US Coast Guard Category A