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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

    HDN 3Plex Plunger 39.3hp

    HDN18

    $21,929.29
    HDN Series, Triplex Plunger Pump with 316 SS Manifold and Wetted Parts; 431 SS Valve Plate and Seat**Max. Inlet Pressure: 45 PSI**Max. Fluid Temperature: 140FPump Dimensions: 20.4" x 17.7" x 8.1"

    Click here to view more information on this pump

  2. All-Flo Pumps

    PP Air Operated Double Diaphragm Pump

    C100-NPP-GGPN-G70

    $1,739.24
    PolyPro AODD Pump 1". Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. Models available in PP, PVDF, Nylon, Conductive Nylon, Al and 316SS from .25...
    NC-10 Learn More
  3. General Pump

    HDN 3Plex Plunger 39.8hp

    HDN20

    $21,929.29
    HDN Series, Triplex Plunger Pump with 316 SS Manifold and Wetted Parts; 431 SS Valve Plate and Seat**Max. Inlet Pressure: 45 PSI**Max. Fluid Temperature: 140FPump Dimensions: 20.4" x 17.7" x 8.1"

    Click here to view more information on this pump

  4. General Pump

    HDS 3plex plunger pump

    HF22A

    $14,479.70
    HDS Triplex Plunger pump. A heavy-duty industrial pump with a nickel-treated, spheroidal cast iron manifold for Jetting (intermittent use).
    • Max. Inlet Pressure: 45PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 1" BSP-F
    • Discharge Port Thread: 3...
  5. Pulsafeeder

    100 GPD/60 PSI Metering Pump

    100-XA-AAAAXXX

    $971.10
    100 GPD/60 PSI metering pump 115 vac. 70 strokes / minute max. 1.0 Amps full load.

    Dimensions: 6.75" x 8.875" x 7.25" (H x W x D)

  6. General Pump

    Jetter Pump KLS 3Plex Plunger

    KF36A

    $15,036.50
    KF Triplex Plunger Pump for Jetting. A heavy-duty industrial pump with a nickel-treated, spheroidal cast iron manifold. Rated for intermittent use.
    • Three horizontal plungers
    • Vertically-arranged valves
    • Double V-shaped pressure packings lubri...
    Right hand drive Learn More
  7. General Pump

    KL Triplex Plunger 34.2hp

    KL50

    $8,644.32
    Triplex Plunger Pump. A heavy-duty industrial pump with a nickel-treated, spheroidal cast iron manifold.
    • Three horizontal plungers
    • Vertically-arranged valves
    • Double V-shaped pressure packings lubricated by a water drip feed system
    • Splash lubrica...
  8. General Pump

    KL Triplex Plunger 38.7hp

    KL36

    $8,644.32
    Triplex Plunger Pump. A heavy-duty industrial pump with a nickel-treated, spheroidal cast iron manifold.
    • Three horizontal plungers
    • Vertically-arranged valves
    • Double V-shaped pressure packings lubricated by a water drip feed system
    • Splash lubrica...
  9. General Pump

    KL Triplex Plunger 39.8hp

    KL33

    $8,644.32
    Triplex Plunger Pump. A heavy-duty industrial pump with a nickel-treated, spheroidal cast iron manifold.
    • Three horizontal plungers
    • Vertically-arranged valves
    • Double V-shaped pressure packings lubricated by a water drip feed system
    • Splash lubrica...
  10. General Pump

    KL Triplex Plunger 39.9hp

    KL45

    $10,075.04
    Triplex Plunger Pump. A heavy-duty industrial pump with a nickel-treated, spheroidal cast iron manifold.
    • Three horizontal plungers
    • Vertically-arranged valves
    • Double V-shaped pressure packings lubricated by a water drip feed system
    • Splash lubrica...
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