The M300 Series Pumps are sealless, chemical process pumps built to ASMEANSI B73.3 dimensions. Twelve sizes are available in ductile iron or 316SS construction. Other materials of constructions available upon request. Capacities to 1200 GPM (270 m3hr)Heads to 475 feet (145 m)Pumping temperatures to 350F (177 C)Working pressures to 275 PSIG (1, 896 kPa)Discharge-to discharge circulationSilicon carbide bearingsSamarium cobalt rare earth magnetsHastelloy-C containment shell