Capacities to 1,500 GPM (340 m3/hr), Heads to 425 feet (130 m), Pumping Temperatures to 650° F (343° C), Working Pressures to 350 PSIG (2,413 kPa), Thirteen Standard Sizes. The RA2000/3000 Series Pumps are cost effective, hot oil, heat transfer pumps. Pumps feature an air fan-cooled design with NO WATER COOLING REQUIRED! Thirteen sizes are available in steel construction.