Positive Displacement Blower Configuration V-BHC Inlet Size 2 1/2 in Inlet Type NPT Inlet Gender Female Outlet Size 2 1/2 in Outlet Type NPT Outlet Gender Female Displacement 1.4 cu in/rev Maximum Operating Pressure 10 psi Maximum Vacuum 16 in Hg Maximum Speed 3 600 RPM Minimum Speed 1 337 RPM Maximum Air Flow 376 cfm Minimum Air Flow 132 cfm Maximum Power Required 20 hp Minimum Power Required 3 hp Shaft Diameter 7/8 in