Roots Dresser 615 U-RAI Rotary Positive Vacuum Pump / Blower

Used Roots Dresser Universal RAI 615 U-RAI Rotary Positive Vacuum Pump / Blower, positive displacement blower, Roots ID No. 865-118-020, Roots Division Dresser Industries, 6" flanged inlet and outlet, Flow Range: to 1583 CFM, Max Δ Pressure: 7 psi, Max Δ Vacuum: 12″ Hg, Max RPM: 2350, Min RPM: 636, Max ΔT: 130˚F, Shaft Dia.: 1.375″, Drive End Lubrication: Grease, Gear End Lubrication: Oil, Unit Weight: 425 pounds