TYPE O.S. & Y Type, Rising Spindle Pulp Valves, MOC Cast Iron, Carbon Steel, SS 304 316, Pressure Rating ASA 150#, End Connection Wafer Type, Sizes 2 " TO 18, Drilling ANSI B 16.5, BS 10 TABLE "D", "E" & "F" are Pulp Valves for Slurry Lines, Sludge and Viscous Media Handling, Pulp and Paper Stock Lines, Dry Solid, Powder Handling and Many More.