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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. PumpBiz

    WOBBLE STATOR PUMP & 3 phase MOTOR

    APM-44CSFM-3

    $4,394.78
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  2. Hypro Pumps

    Cast Iron Motor Mounted Gear Pump

    GCCV22V

    $999.00
    Cast Iron Gear pump close coupled to a 1/2 hp Carbonator type motor. Steel spur gears with steel shaft and CI shaft supports. Standard pressure relief valves that can be ported internally or externallyand adjusted.

    Shertech self-priming, positive...

    115v CI Learn More
  3. Hypro Pumps

    Cast Iron Motor Mounted with Relief Valve

    GCCV33V

    $1,003.00
    Cast Iron Gear pump close coupled to a 1/2 hp Carbonator type motor. Steel spur gears with steel shaft and CI shaft supports. Standard pressure relief valves that can be ported internally or externallyand adjusted.

    Shertech self-priming, posit...

    1/2HP 115/230v Learn More
  4. Hypro Pumps

    Hot Oil Gear Pump Less Motor

    NG11V-PH

    $3,718.80

    NG NSF Listed Industrial Gear Pumps. Obsolete

    Gear pumps are recommended for non-abrasive, non-flammable liquids compatible with pump component materials. They can be used for liquid circulation, lubrication, pressure boosting, filtering, medium ...

  5. PumpBiz

    Hypro Roller Pump

    6500C

    $1,233.00
    Hypro® SherTech® NR 6500 Series roller pumps generate high pressures at low flow rates. Their compact, self-priming design and their ability to handle abrasives make them a efficient solution for a wide variety of challenging applications.

    Hy...

  6. PumpBiz

    WOBBLE STATOR PUMP & 3 phase MOTOR

    APM-44CSQM-3

    $3,029.43
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  7. PumpBiz

    WOBBLE STATOR PUMP & 3 phase MOTOR

    APM-44CSBM-3

    $3,029.43
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  8. PumpBiz

    WOBBLE STATOR PUMP & 3 phaseMOTOR

    APM-33CSFM-3

    $4,387.78
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
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