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M50 and L50 Series Regenerative Turbine Pumps

M50 and L50 Series Regenerative Turbine Pumps

MTH M50 and L50 Series Regenerative Turbine Pumps are multi-stage versions of the popular T51 Series and are ideally suited for low flow applications (2 to 38 GPM) requiring higher discharge pressures than are available from a single stage unit. Head pressures to 2300 feet are available in a five-stage M55. Both the M50 and L50 Series are available in close coupled, vertical base mount and horizontal pedestal base mounted configurations. For applications with low vapor pressure fluids, or where NPSH availability is low, the L50 Series adds a low NPSHR centrifugal inducer stage to help feed the high-pressure regenerative turbine stages.  Standard 56C face motors are used up to 3 HP. Vertical base mount pump motors 5 HP and larger are TEFC enclosure.  Pedestal base mount pumps utilize standard rigid base motors.


Standard construction is cast iron bronze fitted. Iron parts are hard electroless nickel-plated. Impellers are bronze, hydraulically balanced, and self-centering to minimize side wear. Pump shafts are 416 stainless steel, while interstage bushings are carbon/graphite in a stainless steel cartridge.  Pump bearing pedestal and motor are furnished with permanently lubricated sealed ball bearings for maintenance free service. “O” ring gaskets are utilized to assure sealing and for ease of maintenance. Standard mechanical seals are rated for 230°F operation and furnished with a flush line on multi-stage pumps. All pumps are 100% tested to verify performance prior to shipment.


All iron, all bronze, and cast 316 stainless steel construction is available from stock.  Buna, EPR, Viton, Neoprene and Teflon “O” ring and seal elastomer materials, as well as silicon carbide, tungsten carbide, ni-resist, and graphite-loaded silicon carbide seal seats, are also available. For sealless canned versions of these units, see the SM50 and SL50 Series.
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We're a leading supplier of Turbine Pumps on the west coast. With locations in Arizona, California, Idaho, Montana, Washington and Northern Mexico, we can get you the Turbine Pumps you need – fast. Contact us for more pump options.
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