Used 300 CFM Kinney Liquid Ring Vacuum Pump, Model KLRC-300 Equipped With Direct Coupled 25 Hp Drive @ 1750 Rpm, Mounted On Common Base.Requires 60F Sealing Water @ 7 Gpm With Water Recovery, Flanged Connections, Performance Curve On File. Serial # 828-7663606. Rated 300 CFM @ 25" Hg, 100 CFM @ 29" Hg.