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 91-100 of 486

Set Descending Direction
per page
Page
  1. 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
  2. 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
  3. Remco 5518-1E1-94A FatBoy Demand Diaphragm Pump

    Remco

    FatBoy Demand Diaphragm Pump

    5518-1E1-94A
    $474.99

    THE PROFLO FATBOY PUMPS UP THE VOLUME WITH 7GPM 12vdc. Demanding industrial pump environments require precise engineering and quality components. ProFlo FatBoy was designed with both. To maximize the potential of all five diaphragm chambers, Remco...

    7GPM 60PSI 12VDC QC Learn More
    Add to Wish List Add to Compare
  4. Riverside - DP2E: 2" Electric Diaphragm Pump

    Riverside

    2" Electric Diaphragm Pump

    DP2E
    $1,999.00

    Electric Diaphragm Pump (“Mudhogs”)

    The Riverside DP2E Premium Series Diaphragm Pump is a rugged, compact solution built for handling the toughest dewatering jobs. Known as a “mudhog” for its ability to pump heavy mud and sludge thicker t...

    Electrci diaphragm pump Learn More
    Add to Wish List Add to Compare
  5. Riverside - 03438: Diaphragm repair part

    Riverside

    Diaphragm pump repair kit 3"

    03438
    $162.00

    Repair Diaphragm for Riverside Homelite Mud Pump DP3
    Durable, Reliable, and Perfect for Heavy-Duty Pumping Applications

    The Riverside 03438 Repair Diaphragm is designed to keep your Riverside Homelite mud pump DP3 operating at peak performance. Th...

    3" Learn More
    Add to Wish List Add to Compare
  6. Riverside - 03439: Diaphragm pump repair kit

    Riverside

    Diaphragm pump repair kit 2"

    03439
    $149.00

    Repair diaphragm for Riverside Homelite mud pump DP2. Diaphragm pumps are positive displacement pumps. They pump a specific volume for each pump cycle. Diaphragm pumps move fluids more slowly than centrifugal pumps, but can handle mud and larger a...

    2" Learn More
    Add to Wish List Add to Compare
  7. riverside homelite trash pump 121TP L1537Z L1602y tp3 seal tp2

    Riverside

    Shaft seal pump repair kit

    627131A
    $124.00
    Shaft seal for Riverside Homelite 3" 2" trash pump and S3, repair kit. Includes both halves of the seal. 62713-1A
    3" Learn More
    Add to Wish List Add to Compare
  8. riverside homelite trash pump L1605Z tp4 seal 46150

    Riverside

    Shaft seal pump repair kit

    46150
    $103.00
    Shaft seal for Riverside Homelite 4" trash pump, repair kit. Includes both halves of the seal. L1605Z
    4" pump seal Learn More
    Add to Wish List Add to Compare
  9. Riverside - 03438: Diaphragm repair part

    Riverside

    Shaft seal pump repair kit

    47046
    $69.00

    Shaft seal for Riverside Homelite 2-1/2" high pressure fire pump FP25. Includes both halves of the seal. L1610Z

    If you need help picking other repair parts for Riverside or Homelight pumps just contact us. We can also trouble shoot your applicati...

    2.5" pump parts Learn More
    Add to Wish List Add to Compare
  10. Seal pump repair kit

    Riverside

    Seal pump repair kit

    A43297C
    $44.00

    Riverside Seal and oring for Riverside Homelite AP22  pump in plastic. Includes both halves of the shaft seal. EPDM elastomers.

    If you need help picking other repair parts for Riverside or Homelight pumps just contact us. We can also trouble shoo...

    AG pump seals Learn More
    Add to Wish List Add to Compare
View as List Grid

Items 91-100 of 486

Set Descending Direction
per page
Page
Compare Products
  1. Remove This Item
Compare
Clear All
Shop By
Now Shopping by
  1. Category Reciprocating Pumps - Diaphragm, Piston, Plunger Remove This Item
Clear All
Shopping Options
Category
  1. Air Operated Double Diaphragm Pumps 103 items
  2. Cast Iron Pumps 58 items
  3. Chemical Feed Pumps 123 items
  4. Chemical Processing Pumps 95 items
  5. Corrosion Resistant Plastic 106 items
  6. Diaphragm Pumps 153 items
  7. Drainage Dewatering Pumps 43 items
  8. Dry Running Pumps 156 items
  9. Electric Diaphragm Pumps 59 items
  10. Metal Alloy Pumps 83 items
  11. Metering Pumps 105 items
  12. Non-Metallic Pumps 72 items
  13. Piston Pumps 4 items
  14. Plunger Pumps 278 items
  15. Solids Handling Pumps 101 items
Phase (Ø)
  1. Single (1) 52 items
  2. Three (3) 1 item
Voltage (Range)
  1. 110-120 50 items
  2. 208-240 1 item
  3. 110-120/220-240 5 items
  4. 220-240 1 item
  5. 460-480 1 item
  6. 12/24/36 VDC 26 items
Horse Power (HP)
  1. 1/2 1 item
  2. 1 1/2 5 items
  3. 2 15 items
  4. 2 1/2 3 items
  5. 3 12 items
  6. 3 1/2 4 items
  7. 4 9 items
  8. 5 10 items
  9. 5 1/2 5 items
  10. 6 11 items
  11. 7 10 items
  12. 8 7 items
  13. 9 6 items
  14. 10 5 items
  15. 11 7 items
  16. 13 10 items
  17. 15 1 item
  18. 18 1 item
  19. 25 4 items
inlet size
  1. Less than 1in 211 items
  2. 1in 47 items
  3. 1 ½" 37 items
  4. 2in 16 items
  5. 2 ½" 50 items
  6. 3" 9 items
  7. 4" 2 items
PRICE $
$  -  $
Manufacturer
  1. All-Flo Pumps 83 items
  2. AMT Pumps 6 items
  3. Aquatec Pumps 2 items
  4. Barmesa Pumps 1 item
  5. Barnes Pumps 2 items
  6. Flojet Pumps 20 items
  7. General Pump 271 items
  8. Graco Pumps 1 item
  9. Hypro Pumps 5 items
  10. March Pumps 2 items
  11. Myers-Seth 4 items
  12. Pulsafeeder 31 items
  13. Pumptec 6 items
  14. Remco 35 items
  15. Riverside 15 items
  16. Tsurumi 2 items
Motor
  1. Air-Pneumatic 101 items
  2. Diesel Engine 3 items
  3. Gas Engine 9 items
  4. Hermetically Sealed 4 items
  5. ODP 4 items
  6. TEFC 20 items
  7. TENV 41 items