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Positive Displacement Pumps

These pumps are often thought of as high-pressure pumps. Their positive displacement of fluid and fixed volume are the result of the fluid being mechanically moved through their pump passage on a regular cycle. This means that regardless of the system they discharge into, the pressure and volume will remain constant. The power of the driving device and its speed, limit the volume and pressure.Positive Displacement pumps:Flow rates of GPD, CC/min to 100 GPM typically.Discharge pressures of a 1 to 1000 PSI.Low speed and fixed volume per cycle, they handle very viscid fluids well.Smaller than centrifugal pumps.Quiet, do not ad much heat to the fluid, suitable for shear sensitive fluids.Diaphragm pumps can easily pass solids, stringy and fibrous foreign matter. Are made in materials from CI to Titanium and PP, PVDF and PPS engineering resins.
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  1. Jabsco Pumps

    Run dry 24vdc

    23920-9323

    $615.00
    Jabsco pump. For general purpose pumping where self-priming and extended run dry capability are required. Liquid stored in the specially designed pumphead provides 10 minutes or more of run dry operation after liquid supply tank is empty. Heavy...
    23920-9 Learn More
  2. Jabsco Pumps

    Run dry 24vdc Washdown

    32605-0094

    $238.00
    This 4.0 GPM (15 LPM) Washdown Pump provides the boater of small to medium vessels with a cost conscious and size maximised higher pressure pump. With a sealed pump head and motor, this new model provides the same ease of installation as all Jabsc...
    Marine Washdown Learn More
  3. Jabsco Pumps

    Run dry 12VDC Pump

    23920-9423

    $517.30
    Jabsco pump 8gpm. For general purpose pumping where self-priming and extended run dry capability are required. Liquid stored in the specially designed pumphead provides 10 minutes or more of run dry operation after liquid supply tank is empty. He...
  4. Jabsco Pumps

    6050 Bronze Utility Pump Flexible Impeller

    6050-0003

    $1,369.00
    Flexible Impeller pump for general transfer pumping using 115V AC power where self-priming, 23 gpm flow and debris tolerance are required. Oil-resistant nitrile impeller is standard. Do not pump gasoline or other flammable liquids. DO NOT RUN D...
    115v 3/4HP ODP Learn More
  5. Jabsco Pumps

    6050 Bronze Utility Pump Flexible Impeller

    6050-0013

    $1,376.88
    Flexible Impeller pump for general transfer pumping using 115V AC power where self-priming, 23 gpm flow and debris tolerance are required. Oil-resistant nitrile impeller is standard. Do not pump gasoline or other flammable liquids. DO NOT RUN D...
    115v 3/4HP TEFC Learn More
  6. Jabsco Pumps

    Commercial Duty 12vDC water pump

    18670-0123

    $415.11
    Commercial Duty Water Puppy has 25% more flow than the standard model and a heavy duty PMDC motor. For general transfer pumping where self-priming, 8 gpm flow and debris tolerance are required. Oil-resistant nitrile impeller is standard. Do not p...
  7. Jabsco Pumps

    Flex. Imp. Face Seal

    777-9003

    $590.00
    Flexible impeller pump. Full cam. Neoprene for water and general purpose pumping. Nitrile impeller is ideal for oil based products. Reduce flow 50% for half cam operation. Use face seal to extend pump life. Do not pump gasoline or other flammable...
  8. Jabsco Pumps

    Flex. Imp. Face Seal

    777-9051

    $618.00
    Flexible impeller pump. Half cam pump reduces flow 50% from curve chart. Neoprene for water and general purpose pumping. Nitrile impeller is ideal for oil based products. Reduce flow 50% for half cam operation. Use face seal to extend pump life. ...
  9. Jabsco Pumps

    Flexible Impeller pump

    777-0003

    $578.00
    Flexible impeller pump. Full cam. Neoprene for water and general purpose pumping. Nitrile impeller is ideal for oil based products. Reduce flow 50% for half cam operation. Use face seal to extend pump life. Do not pump gasoline or other flammab...
  10. Jabsco Pumps

    Flex. Imp. Face Seal

    777-9001

    $590.00
    Flexible impeller pump. Full cam. Neoprene for water and general purpose pumping. Nitrile impeller is ideal for oil based products. Reduce flow 50% for half cam operation. Use face seal to extend pump life. Do not pump gasoline or other flammable...
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