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 101-110 of 176

Set Descending Direction
per page
Page
  1. Oberdorfer N994J-T45 N994 Gear Pump & Mtr.

    Oberdorfer Pumps

    N994 Gear Pump & Mtr.

    N994J-T45
    $2,350.40
    Gear Pump. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    Gear pumps are posit...

    1-1/2Hp 115/230v Learn More
    Add to Wish List Add to Compare
  2. Aquatec 5502-2GC1-B526 Demand Pump 5 chamber diaphragm pump

    Aquatec Pumps

    5 chamber diaphragm pump

    5502-2GC1-B526
    $290.54

    Demand Pump: Spraying, Ag and cleaning solutions. FKM seals.

    OPERATION: The 550 pumps can draw water from a holding tank and pressurize it, or boost the pressure from a low pressure source. It is designed to operate intermittently, but most versi...

    4GPM 80PSI 115v Learn More
    Add to Wish List Add to Compare
  3. oberdorfer gear pump bronze

    Oberdorfer Pumps

    N994 Gear Pump & Motor

    N994H-J46
    $2,652.00

    Gear Pump, Oberdorfer.

    Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    Gear pumps...

    1/2HP 115/230v 1/2" Learn More
    Add to Wish List Add to Compare
  4. oberdorfer gear pump bronze N994RH-N26

    Oberdorfer Pumps

    N994 Gear Pump & Motor w/Relief Valve

    N994RH-N26
    $3,432.00

    Gear Pump, Oberdorfer.

    Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    Gear pumps...

    1HP 115/230v 1/2" Learn More
    Add to Wish List Add to Compare
  5. Hot Oil Gear Pump

    Hypro Pumps

    Hot Oil Gear Pump

    NG7V
    $3,802.32

    NG NSF Listed Industrial Gear Pump (OBSOLETE)

    The Hypro NG7V industrial gear pump is designed for non-abrasive, non-flammable liquids that are compatible with pump component materials. Ideal for fluid circulation, lubrication, pressure boosting, ...

    Learn More
    Add to Wish List Add to Compare
  6. Aquatec 5853-GB12-V81D Variable sp / constant PSI 115v

    Aquatec Pumps

    Variable sp / constant PSI 115v

    5853-GB12-V81D
    $405.88
    Variable speed, constant pressure pumps. These pumps integrate a state-of-the-art digital controller. This unique intelligent controller makes the pumps able to maintain a constant pressure (within 2 PSI) for variable flow rates throughout thei...
    115v 1.2gpm 40 / 65psi Learn More
    Add to Wish List Add to Compare
  7. Aquatec 5853-GE12-V81D Variable sp / constant PSI 115v

    Aquatec Pumps

    Variable sp / constant PSI 115v

    5853-GE12-V81D
    $405.88

    Variable speed, constant pressure pumps. These pumps integrate a state-of-the-art digital controller. This unique intelligent controller makes the pumps able to maintain a constant pressure (within 2 PSI) for variable flow rates throughout their o...

    1.2gpm 60 / 65psi 115v Learn More
    Add to Wish List Add to Compare
  8. Aquatec 5502-IDN2-V77D Spray pump

    Aquatec Pumps

    Spray pump

    5502-IDN2-V77D
    $405.88
    5502-1DN2-V77D Spray Pump. Variable speed, constant pressure pumps. These pumps integrate a state-of-the-art digital controller. This unique intelligent controller makes the spray pump able to maintain a constant pressure (within 2 PSI) for var...
    Variable speed 115v Learn More
    Add to Wish List Add to Compare
  9. Aquatec 5501-IEN2-V77D Variable speed constant PSI 115v

    Aquatec Pumps

    Variable speed constant PSI 115v

    5501-IEN2-V77D
    $405.88

    Variable speed, constant pressure pumps. These pumps integrate a state-of-the-art digital controller. This unique intelegant controller makes the pumps able to maintain a constant pressure (within 2 PSI) for variable flow rates throughout their op...

    Learn More
    Add to Wish List Add to Compare
  10. Pulsafeeder 100-XA-AAAAXXX 100 GPD/60 PSI Metering Pump

    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)

    Learn More
    Add to Wish List Add to Compare
View as List Grid

Items 101-110 of 176

Set Descending Direction
per page
Page
Compare Products
  1. Remove This Item
Compare
Clear All
Shop By
Now Shopping by
  1. Phase (Ø) Single (1) Remove This Item
Clear All
Shopping Options
Category
  1. Reciprocating Pumps - Diaphragm, Piston, Plunger 52 items
  2. Rotary Pumps - Gear, Flexible Impeller, Screw 124 items
Voltage (Range)
  1. 110-120 109 items
  2. 208-240 1 item
  3. 110-120/220-240 50 items
  4. 220-240 12 items
  5. 12/24/36 VDC 4 items
Horse Power (HP)
  1. 1/4 5 items
  2. 1/3 21 items
  3. 1/2 14 items
  4. 3/4 14 items
  5. 1 12 items
  6. 1 1/2 7 items
  7. 2 6 items
  8. 3 4 items
inlet size
  1. Less than 1in 121 items
  2. 1in 12 items
  3. 1 ¼" 1 item
  4. 1 ½" 2 items
  5. 2in 2 items
PRICE $
$  -  $
Manufacturer
  1. Aquatec Pumps 29 items
  2. Barmesa Pumps 1 item
  3. Barnes Pumps 1 item
  4. Fill-Rite 1 item
  5. Flojet Pumps 4 items
  6. Graco Pumps 6 items
  7. Graymills Pumps 6 items
  8. Hypro Pumps 17 items
  9. Jabsco Pumps 4 items
  10. Little Giant Pumps 1 item
  11. March Pumps 1 item
  12. Oberdorfer Pumps 49 items
  13. Pulsafeeder 31 items
  14. PumpBiz 1 item
  15. Pumptec 5 items
  16. Remco 9 items
  17. Riverside 2 items
  18. Stenner 8 items
Motor
  1. EXP (C 1, Gp C/D & C11, Gp F/G) 1 item
  2. EXP (C 1, Gp C/D) 2 items
  3. EXP (C 1, Gp D) 1 item
  4. Hermetically Sealed 3 items
  5. ODP 57 items
  6. TEFC 29 items
  7. TENV 65 items