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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 6050-0003 6050 Bronze Utility Pump Flexible Impeller

    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
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  2. Aquatec 5513-1E12-B636 5 chamber 12Vdiaphragm pump

    Aquatec Pumps

    5 chamber 12V diaphragm pump

    5513-1E12-B636
    $290.54

    12vdc 550 Series Super Flow Pump: Reverse Osmosis System Pump, High Powered RO / DI Reverse Osmosis Pump

    OPERATION: The 550 pumps can draw water from a holding tank and pressurizeit, or boost the pressure from a low pressure source. It is designe...

    12vdc Learn More
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  3. Jabsco 6050-0013 6050 Bronze Utility Pump Flexible Impeller

    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
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  4. stainless steel gear pump with electric motor

    Hypro Pumps

    316SS Gear pump

    GMSV4A53
    $2,048.36

    316SS Rotary Gear pump. Ryton gears. Stainless steel gear pump for aggressive chemicals.

    Use for pressure spraying, circulation of lubricants, tank / drum filling. Will handle water like liquids to very thick. Bi-rotational allows for flow direct...

    3/4HP 230/460v , 1/2" Learn More
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  5. Hypro GMSV4A 316SS Gear pump

    Hypro Pumps

    316SS Gear pump

    GMSV4A
    $1,962.16

    316SS Rotary Gear pump end PEO*. 303 SS fasteners, Ryton gears. Stainless steel gear pump for aggressive chemicals.

    Use for pressure spraying, circulation of lubricants, tank / drum filling. Will handle water like liquids to very thick. Bi-rota...

    No motor, 1/2" Learn More
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  6. AMT electric diaphragm mud pump 3" ipt

    AMT Pumps

    3" Electric Diaphragm Pump

    337E-96
    20% Off Special Price $2,958.00 Regular Price $3,697.50

    Electric Diaphragm water pumps features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. Often referred to as Mud pumps or Sludge pumps, diaphragm trash pumps are designed to pump mud, slu...

    1.5HP 115/230v Learn More
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  7. AMT electric diaphragm mud pump 3" ipt

    AMT Pumps

    3" Electric Diaphragm Pump

    337T-96
    20% Off Special Price $2,958.00 Regular Price $3,697.50

    Electric Diaphragm water pumps features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. Often referred to as Mud pumps or Sludge pumps, diaphragm trash pumps are designed to pump mud, slu...

    1.5HP 3 Phase Electric Learn More
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  8. Jabsco 18670-0123 Commercial Duty 12vDC water pump

    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...
    12v Learn More
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  9. Bronze Rotary Gear Pump w/ relief valve & Motor

    Oberdorfer Pumps

    Bronze Rotary Gear Pump w/ relief valve & Motor

    N991RM-32F01
    $965.90
    Bronze Rotary Gear Pump. Includes electric motor. Pump housings and gears are made of top quality bronze, shafts are 303 stainless steel. Bearings are designed of high performance carbongraphite material selected for wear resistance and long se...
    115v 1/4" Learn More
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  10. Hypro BB1 Bronze Pedestal Gear Pump

    Hypro Pumps

    Bronze Pedestal Gear Pump

    BB1
    $2,141.48

    Bronze Pedestal Gear Pump, light duty. Self-priming, positive displacement, external rotary gear pumps are ideal for a wide range of light-duty industrial, marine, agricultural, and commercial applications, providing a nearly pulseless flow and ar...

    bb Learn More
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