My Cart

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.
View as List Grid

Items 171-180 of 788

Set Descending Direction
per page
Page
  1. PumpBiz AP-33CSQM Wobble Stator Pump

    PumpBiz

    Wobble Stator Pump

    AP-33CSQM
    $536.00

    Wobble stator pump for thick liquids. 

    The progressive cavity pump is a positive displacement system that is extremely flexible in its usability in a variety of specialized fields with difficult pumping applications such as viscous and highly-abr...

    Learn More
    Add to Wish List Add to Compare
  2. FatBoy Demand Diaphragm Pump

    Remco

    FatBoy Demand Diaphragm Pump

    5538-1E1-94A
    $397.15

    THE PROFLO FATBOY® PUMPS UP THE VOLUME WITH 7GPM. Demanding industrial pump environments require precise engineering and quality components. The ProFlo FatBoy® was designed with both. To maximize the potential of all five diaphragm chambers, Remco...

    7GPM 60PSI 12VDC NPT Demand Learn More
    Add to Wish List Add to Compare
  3. Hard surface Pump motor set (hard scape pump)

    Pumptec

    Hard surface Pump motor set (hard scape pump)

    80346
    $1,411.42
    Pumptec 120 Volt pressure washer pump provides the best in pressure cleaning and pressure washing performance. The number one tile and grout pump. This electric pressure washer cleaner is one work horse in the pressure washing business and in pow...
    Learn More
    Add to Wish List Add to Compare
  4. Remco 5537-1E1-58C 115v Demand Pump 5.3GPM

    Remco

    115v Demand Pump 5.3GPM

    5537-1E1-58C
    $332.00

    Demanding industrial pump environments require precise engineering and quality components—the demand pump was designed with both. Demand pumps operated as a positive displacement pump which has a pressure switch built in. When flow is open the p...

    5.3GPM 60PSI 120v NPT Learn More
    Add to Wish List Add to Compare
  5. Bronze Cooling Gear Pump w/ relief valve

    Oberdorfer Pumps

    Bronze Cooling Gear Pump w/ relief valve

    N1000R-66
    $585.00
    Water-cooled induction heating systems / machine cooling Pump. Bronze Pedestal Gear pump with relief valve. Often used as a coolant pump Ameritherm, Dynaflux. Pump flow is reversible.
    • Gear pumps are positive displacement pumps. Each shaft re...
    Water-cooled induction heating systems / machine cooling Pump. Bronze Pedestal Gear pump with relief valve. Often used as a coolant pump Ameritherm, Dynaflux. Pump flow is reversible.
    • Gear pumps are positive displacement pumps. Each shaft revolution displaces a definite amount of liquid relatively unaffected by the back pressure in the discharge line. Shaft speed and flow are directly proportional.
      • Learn More
    Add to Wish List Add to Compare
  6. Remco demand pump for water

    Remco

    Demand/Bypass

    5517-1E1-58C
    $339.00

    115v AC electric diaphragm pump. PROFLO 5500 OVERVIEW Engineered to withstand the most rigorous and punishing duty cycles, the ProFlo 5500 Series Pump is a top-line performer. We make this claim because we use the highest quality American Made pum...

    5.3/gpm 60psi 115v Learn More
    Add to Wish List Add to Compare
  7. 12vdc Cast Iron Gear pump battery dc hypro shertech GMCV

    Hypro Pumps

    12V DC Cast Iron Gear pump

    GMCV4VA-12
    $1,253.00

    12 volt 12v DC Rotary Cast Iron Gear pump. 303 SS fasteners, steel gears. Battery powered self priming heavy duty gear pump.

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

    12vdc 1HP Learn More
    Add to Wish List Add to Compare
  8. remco fatboy 12vdc pump demand

    Remco

    FatBoy Demand Diaphragm Pump

    5518-1E1-94A
    $474.99

    THE PROFLO FATBOY PUMPS UP THE VOLUME WITH 7GPM 12vdc demand pump.

    Demanding industrial pump environments require precise engineering and quality components. ProFlo FatBoy was designed with both. To maximize the potential of all five diaphragm ch...

    7GPM 60PSI 12VDC QC Learn More
    Add to Wish List Add to Compare
  9. General Pump KE20A EK 3plex Plunger 23.6hp

    General Pump

    EK 3plex Plunger 23.6hp

    KE20A
    $7,500.85
    A heavy-duty industrial pump with a nickel-plated, spheroidal cast-iron manifold.
    • Pump Dimensions: 18.2" x 17.5" x 7.3"
    • Max. Inlet Pressure: 45 PSI
    • Max. Fluid Temp.: 140ï½°F
    • Inlet Port Thread: 1" BSP-F
    • Discharge Port Thread: 3/4" BSP-F
    • Sh...
    Learn More
    Add to Wish List Add to Compare
  10. Hypro GCBN2V Bronze Gear pump PEO

    Hypro Pumps

    Bronze Gear pump PEO

    GCBN2V
    $899.00
    Bronze Gear pump for close coupling to a 1/3 hp Carbonator type motor.

    Includes relief valve. Pump end only. Replaces 6PA26

    1/4" no motor Learn More
    Add to Wish List Add to Compare
View as List Grid

Items 171-180 of 788

Set Descending Direction
per page
Page
Compare Products
  1. Remove This Item
Compare
Clear All
Shop By
Shopping Options
Category
  1. Reciprocating Pumps - Diaphragm, Piston, Plunger 470 items
  2. Rotary Pumps - Gear, Flexible Impeller, Screw 318 items
Phase (Ø)
  1. Single (1) 142 items
  2. Three (3) 48 items
Voltage (Range)
  1. 110-120 90 items
  2. 208-240 1 item
  3. 220-240/460-480 46 items
  4. 110-120/220-240 51 items
  5. 220-240 10 items
  6. 460-480 2 items
  7. 12/24/36 VDC 54 items
Horse Power (HP)
  1. 1/4 13 items
  2. 1/3 23 items
  3. 1/2 26 items
  4. 3/4 23 items
  5. 1 27 items
  6. 1 1/2 22 items
  7. 2 21 items
  8. 2 1/2 3 items
  9. 3 21 items
  10. 3 1/2 4 items
  11. 4 9 items
  12. 5 11 items
  13. 5 1/2 5 items
  14. 6 9 items
  15. 7 10 items
  16. 8 7 items
  17. 9 6 items
  18. 10 5 items
  19. 11 7 items
  20. 13 10 items
  21. 15 1 item
  22. 18 1 item
  23. 25 4 items
inlet size
  1. Less than 1in 366 items
  2. 1in 124 items
  3. 1 ¼" 8 items
  4. 1 ½" 47 items
  5. 2in 22 items
  6. 2 ½" 48 items
  7. 3" 11 items
PRICE $
$  -  $
Manufacturer
  1. All-Flo Pumps 83 items
  2. AMT Pumps 8 items
  3. Aquatec Pumps 14 items
  4. Barmesa Pumps 1 item
  5. Barnes Pumps 2 items
  6. Flojet Pumps 21 items
  7. General Pump 269 items
  8. Graco Pumps 10 items
  9. Graymills Pumps 9 items
  10. Hypro Pumps 85 items
  11. Jabsco Pumps 9 items
  12. Little Giant Pumps 1 item
  13. March Pumps 2 items
  14. Oberdorfer Pumps 150 items
  15. Pulsafeeder 24 items
  16. PumpBiz 28 items
  17. Pumptec 10 items
  18. Remco 38 items
  19. Riverside 14 items
  20. Stenner 8 items
  21. Tsurumi 2 items
Motor
  1. Air-Pneumatic 101 items
  2. Diesel Engine 1 item
  3. EXP (C 1, Gp C/D & C11, Gp F/G) 2 items
  4. EXP (C 1, Gp C/D) 1 item
  5. EXP (C 1, Gp D) 1 item
  6. Gas Engine 10 items
  7. Hermetically Sealed 4 items
  8. ODP 77 items
  9. TEFC 64 items
  10. TENV 91 items