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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. All-Flo Pumps

    PP Air Operated Double Diaphragm Pump

    C150-FPP-GGPN-B70

    $2,593.98
    PolyPro AODD Pump 1 1/2". 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...
  2. All-Flo Pumps

    Aluminum Air Operated Diaphragm Pump

    A150-NAA-TTYT-B30

    $2,079.90
    Aluminum AODD Pump 1 1/2". Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. 3/4" npt air supply. Models available in PP, PVDF, Nylon, Conductive Ny...
    Teflon Diaphragm Learn More
  3. General Pump

    3Plex Plunger 43.1hp

    KF40A

    $8,912.00
    KLS Triplex Plunger Pump for Jetting. A heavy-duty industrial pump with a nickel-treated, spheroidal cast iron manifold. Rated for intermittent use. 900rpm
    • Three horizontal plungers
    • Vertically-arranged valves
    • Double V-shaped pressure packin...
    45GPM Learn More
  4. General Pump

    Jetter Pump KLS 3Plex Plunger

    KF36A

    $10,370.00
    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
  5. General Pump

    KL Triplex Plunger 34.2hp

    KL50

    $5,961.60
    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...
  6. General Pump

    KL Triplex Plunger 38.7hp

    KL36

    $5,961.60
    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...
  7. General Pump

    KL Triplex Plunger 39.8hp

    KL33

    $5,961.60
    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 39.9hp

    KL45

    $6,948.30
    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 40.3hp

    KL30

    $5,961.60
    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

    KLA 3Plex Plunger 13.2hp

    KF30A

    $7,273.75
    Triplex Plunger Pump. A heavy-duty industrial pump with a nickel-aluminum bronze manifold for desalination and other corrosive applications.
    • Three horizontal plungers
    • Vertically-arranged valves
    • Double V-shaped pressure packings lubricated b...
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