Roth Pump is the leading developer and manufacturer of low NPSH regenerative turbine pumps. For over 65 years, Roth has been handling high head (up to 5400 ft/1645 m TDH), low flow (up to 150 gpm/565 lpm), boiling point liquids. Roth Pump boiler feed/condensate return systems handle water at 212dF, 250dF, 350dF, and 400dF, which result in substantial energy savings. Use Roth low NPSH chemical plant/refinery pumps to handle liquids like butane, propane, refrigerant, petroleum, and carbon dioxide.