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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. MSS 3Plex Plunger GB 114.0hp

    General Pump

    MSS 3Plex Plunger GB 114.0hp

    MSS5515R
    $31,317.32
    MSS Series, Triplex Plunger Pump with Gear Box for Jetting (intermittent use).
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 2 1/2" NPT-F
    • Discharge Port Thread: 1 1/4" NPT-F
    • Pump Dimensions: 27.7" x 23.8" x 11.9"
    • Shaft...
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  2. MSS 3Plex Plunger GB 115.3hp

    General Pump

    MSS 3Plex Plunger GB 115.3hp

    MSS5518R
    $31,317.32
    MSS Series, Triplex Plunger Pump with Gear Box for Jetting (intermittent use).
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 2 1/2" NPT-F
    • Discharge Port Thread: 1 1/4" NPT-F
    • Pump Dimensions: 27.7" x 23.8" x 11.9"
    • Shaft...
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  3. MSS 3Plex Plunger GB 116.2hp

    General Pump

    MSS 3Plex Plunger GB 116.2hp

    MSS4515R
    $31,317.32
    MSS Series, Triplex Plunger Pump with Gear Box for Jetting (intermittent use).
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 2 1/2" NPT-F
    • Discharge Port Thread: 1 1/4" NPT-F
    • Pump Dimensions: 27.7" x 23.8" x 11.9"
    • Shaft...
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  4. All-Flo SE-05-A43-10E Double Diaphragm Pump Exp Cycle Count

    All-Flo Pumps

    Double Diaphragm Pump Exp Cycle Count

    SE-05-A43-10E
    $2,016.30
    316 SS AODD Pump 1/2". Installed option Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Counting the number of cycles provides a method of measuring how much flui...
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  5. MSS 3Plex Plunger GB 116.5hp

    General Pump

    MSS 3Plex Plunger GB 116.5hp

    MSS5015R
    $37,580.78
    MSS Series, Triplex Plunger Pump with Gear Box for Jetting (intermittent use).
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 2 1/2" NPT-F
    • Discharge Port Thread: 1 1/4" NPT-F
    • Pump Dimensions: 27.7" x 23.8" x 11.9"
    • Shaft...
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  6. Jabsco 777-0001 Bronze pump Flexible Impeller Lip Seal

    Jabsco Pumps

    Bronze pump Flexible Impeller Lip Seal

    777-0001
    $578.00
    Flexible impeller pump. Full cam. Neoprene for water and general purpose pumping. Nitrile impeller is ideal for oil based products. Reduce flow 50% for half cam operation. Use face seal to extend pump life. Do not pump gasoline or other flammable...
    Frame / Bearing pedestal mount Learn More
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  7. MSS 3Plex Plunger GB 117.5hp

    General Pump

    MSS 3Plex Plunger GB 117.5hp

    MSS4015R
    $31,317.32
    MSS Series, Triplex Plunger Pump with Gear Box for Jetting (intermittent use).
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 2 1/2" NPT-F
    • Discharge Port Thread: 1 1/4" NPT-F
    • Pump Dimensions: 27.7" x 23.8" x 11.9"
    • Shaft...
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  8. Bronze pedestal mounted gear pump

    Hypro Pumps

    Bronze gear pump

    GPBN2V
    $1,917.86

    5 GPM Bronze pedestal mounted gear pump. For oils and other lubricating liquids. Excellent for water based fluids. Ryton PPS spur gears provide quiet operation and chemical compatibility. No metal to metal contact.

    For smaller gear pumps see Ligh...

    3/8" Learn More
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  9. MSS 3Plex Plunger GB 117.8hp

    General Pump

    MSS 3Plex Plunger GB 117.8hp

    MSS5018R
    $37,580.78
    MSS Series, Triplex Plunger Pump with Gear Box for Jetting (intermittent use).
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 2 1/2" NPT-F
    • Discharge Port Thread: 1 1/4" NPT-F
    • Pump Dimensions: 27.7" x 23.8" x 11.9"
    • Shaft...
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  10. MSS 3Plex Plunger GB 117.9hp

    General Pump

    MSS 3Plex Plunger GB 117.9hp

    MSS4518R
    $31,317.32
    MSS Series, Triplex Plunger Pump with Gear Box for Jetting (intermittent use).
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 2 1/2" NPT-F
    • Discharge Port Thread: 1 1/4" NPT-F
    • Pump Dimensions: 27.7" x 23.8" x 11.9"
    • Shaft...
    Learn More
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