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Standard NEMA motors |
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Integral thrust bearing on 5 HP and larger pumps to handle axial thrust loads |
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Air vent in casing cover allows proper venting preventing air entrapment and dry run |
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Liner ring is a self-aligning, floating design constructed to prevent swelling at high temperatures |
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Tungsten carbide lower pump bearings and sleeves are standard construction for all services, providing maximum operating life |
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Direct drive pump and motor shafts are keyed for positive, reliable power transmission with no adjustments necessary |
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"Flexible" floating outer casing allows for thermal expansion in hot water applications, preventing deformation due to pressure fluctuations |
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Anti-erosion measures – a dish-shaped insert is fitted to the intermediate casing designed to promote smooth flow and prevent high velocity areas that accelerate erosion |
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Square-edge six spline shaft or twelve spline shaft provides positive location and drive of impellers eliminating wear |
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Dimensions & flanges – installation is to market accepted dimensions for easy upgrade of existing installations |
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Mechanical seal – Silicon/Carbon/Viton mechanical shaft seal; cartridge seal standard on Models 32, 45, and 64 |
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Positive Sealing – O-rings between intermediate casings provide positive sealing |
