Butterfly Valve, Wafer Style, Body Material Carbon Steel, Max. Water Pressure 150 psi, Pipe Size 12 in, Temp. Range -20 to 500 Degrees F, Liner Material PTFE, Disc Material 316 Stainless Steel, Handle Type Gear Operated Handwheel, Number of Bolt Holes 12, Bolt Circle Dia. 17 in, Standards API, ASME B16.34, ASME B16.5, CE, CE/PED, MSS SP-25, MSS SP-55, MSS SP-6, MSS SP-68, PI