Butterfly Valve Wafer Style Body Material Carbon Steel A216 Gr.WCC Max Water Pressure 150 psi Pipe Size 10 in Temp Range -20 to 500 Degrees F Liner Material PTFE Disc Material Stainless Steel Handle Type Gear Operated Number of Bolt Holes 12 Bolt Circle Dia 14 1/4 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