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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. TT 51 Triplex Plunger 2.2hp

    General Pump

    TT 51 Triplex Plunger 2.2hp

    TT901
    $462.30
    TT Series 51, Triplex plunger pump with solid shaft - standard with 24 mm solid shaft for pulley mount or direct drive with flex coupler and bell housing. Ideal for all general cleaning applications.
    • Forged brass manifold with exclusive lifetime...
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  2. Hypro GMCV5VA6 Cast Iron Gear pump

    Hypro Pumps

    Cast Iron Gear pump

    GMCV5VA6
    $2,255.39
    Rotary Cast Iron Gear pump with electric motor. 303 SS fasteners, steel gears.

    Adjustable relief valve designed for internal pressure relief, can be ported for either internal or external discharge. Do not operate the relief valve for more than...

    2HP 115/230v ODP 3/4" Learn More
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  3. Riverside - DP2E: 2" Electric Diaphragm Pump

    Riverside

    2" Electric Diaphragm Pump

    DP2E
    $1,798.00

    Riverside Pumps' rugged and reliable Diaphragm Pumps are sometimes called "mudhogs" for their ability to pump heavy mud and sludge, thicker than any centrifugal pump can handle. Electric motor Diaphragm Pump also have the advantage of being able t...

    Electrci diaphragm pump Learn More
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  4. riverside_dp3e-.jpg

    Riverside

    3 in. Electric diaphragm pump

    DP3E
    $1,863.00

    Riverside Pumps' rugged and reliable Diaphragm Pumps are sometimes called "mudhogs" for their ability to pump heavy mud and sludge, thicker than any centrifugal pump can handle. They also have the advantage of being able to run dry without damage,...

    115/230v Learn More
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  5. 316 Stainless Steel Gear pump

    Hypro Pumps

    316 Stainless Steel Gear pump

    GMSV6C3T
    $4,130.06
    Rotary Gear pump with motor. 316 Stainless construction, Ryton gears.

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

    3HP 230/460V TEFC Learn More
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  6. Oberdorfer N994J-W45 N994 Gear Pump Mtr.

    Oberdorfer Pumps

    N994 Gear Pump & Mtr.

    N994J-W45
    $1,995.00
    Gear Pump. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    Gear pumps are positive...

    2HP 115/230 Learn More
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  7. 2HP 208v grinder pump

    Barmesa Pumps

    2" Grinder pump 2HP

    BGP200DS
    $1,360.00

    Rugged and reliable BGP Series pumps provide continuous, maintenance-free operation while effectively handling objects such as plastic, rubber, disposable diapers, towels and clothing. High Head.

    2HP Series Ideally suited for pressure sewer s...

    2HP 208v/1 Learn More
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  8. Hypro GMBN5VB6 Bronze Rotary Gear pump

    Hypro Pumps

    Bronze Rotary Gear pump

    GMBN5VB6
    $2,943.93
    Rotary Gear pump with electric motor. 303 SS fastners, Ryton gears. Heavy duty rotary external Gear pump, heavy duty with motor.

    Adjustable relief valve designed for internal pressure relief, can be ported for either internal or external discha...

    3/4" 2HP 115/230v Learn More
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  9. T 49 Duplex Plunger 1.8hp Solid Shaft

    General Pump

    T 49 Duplex Plunger 1.8hp Solid Shaft

    T721B
    $547.40
    T Series 49, Duplex Plunger Pump, Solid Shaft - Duplex pulsing action for improved impacted cleaning, ideal for drain cleaning and jetting application. Forged brass manifold with an exclusive lifetime warranty.
    • Forged brass manifold with an excl...
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  10. T 49 Duplex Plunger 2.0hp Solid Shaft

    General Pump

    T 49 Duplex Plunger 2.0hp Solid Shaft

    T9731B
    $547.40
    T Series 49, Duplex Plunger Pump, Solid Shaft - Duplex pulsing action for improved impacted cleaning, ideal for drain cleaning and jetting application. Forged brass manifold with an exclusive lifetime warranty.
    • Forged brass manifold with an excl...
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