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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. 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...
  2. 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
  3. 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
  4. 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
  5. 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...
  6. 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...
  7. General Pump

    T 49 Duplex Plunger 2.2hp Hollow Shaft

    T9721EBF

    $619.85
    T Series 49, Duplex Plunger Pump, Hollow Shaft, NEMA 56 C Flange (5/8" dia. shaft) for Direct Couple to Electric Motors - Duplex pump specifically designed for the demands of the water jetting industry. Forged brass manifold with an exclusive lif...
  8. General Pump

    TC 15 Triplex Plunger

    TC1507E345

    $742.00
    Triplex plunger pump, hollow shaft, flanged for direct couple to electric motor 3450RPM at full performance or 1725rpm with reduced performance of #5 or smaller nozzle. See performance charts. New, over-sized connecting rods for ultimate crankc...
    56C Motor mount Learn More
  9. General Pump

    TT 51 Triplex Plunger 2.2hp

    TT9061EBF

    $488.75
    TT Series 51, Triplex Plunger Pumps. Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-56C).
    • Forged brass manifold with exclusive lifetime warranty
    • Die cast, anodized aluminum, oil-bath crankcase
    • Solid ceramic plungers with contin...
  10. General Pump

    TT 51 Triplex Plunger 2.2hp

    TT9051EBF

    $598.00
    TT Series 51, Triplex Plunger Pumps. Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-56C).
    • Forged brass manifold with exclusive lifetime warranty
    • Die cast, anodized aluminum, oil-bath crankcase
    • Solid ceramic plungers with contin...
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