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 1-10 of 50

Set Descending Direction
per page
Page
  1. Oberdorfer - N992R-01C81: Gear Pump

    Oberdorfer Pumps

    Gear Pump & 1/4HP Motor

    N992R-01C81
    $1,630.20

    Bronze Gear Pump with housings and gears are made of top quality bronze; shafts are from stainless steel 303. Continuous Duty gear pump fitted with 115/230v 1/4hp motor. Bearings are designed of high performance carbon-graphite material selected f...

    1/4HP 115/230V ODP Learn More
    Add to Wish List Add to Compare
  2. oberdorfer 405m rubber impeller pump

    Oberdorfer Pumps

    Rubber Impeller Bronze Pump

    405M-04N26
    $1,203.00

    Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel shaft which i...

    115v 1HP 1" ODP Learn More
    Add to Wish List Add to Compare
  3. oberdorfer 405m rubber impeller pump

    Oberdorfer Pumps

    Rubber Impeller Bronze Pump

    405M-04M35
    $1,616.00

    Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel shaft which i...

    115v 3/4HP 1" TEFC Learn More
    Add to Wish List Add to Compare
  4. Oberdorfer N993RM-J07 N993 Pump motor

    Oberdorfer Pumps

    N993 Pump & motor

    N993RM-J07
    $1,238.00
    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 positive displac...

    1/2HP 115/230v Relief Vavle Learn More
    Add to Wish List Add to Compare
  5. oberdorfer gear pump bronze 1/2

    Oberdorfer Pumps

    N994 Gear Pump & Mtr.

    N994H-N26
    $1,554.00
    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...

    1HP 115/230v Learn More
    Add to Wish List Add to Compare
  6. 406M oberdorfer pump

    Oberdorfer Pumps

    406M Macerator Pump

    406M-04N26
    $1,397.00
    Sewage transfer macerator chopper pump with rubber impeller. Portable all bronze construction. Commercial heavy duty waste pump for pumping out RV, Boat sewage holding tanks. This model does NOT have the optional vacuum switch.
    Learn More
    Add to Wish List Add to Compare
  7. Oberdorfer N992RQ-F09 N992R Gear Pump EXP Motor

    Oberdorfer Pumps

    N992R Gear Pump & EXP Motor

    N992RQ-F09
    $1,611.50
    Explosion Proof Gear Pump with housings and gears are made of top quality bronze; shafts are from stainless steel 303. Hazardous Duty gear pump fitted with EXP motor. Bearings are designed of high performance carbon-graphite material selected f...
    1/3HP 115v Explosion Proof Learn More
    Add to Wish List Add to Compare
  8. Pulsafeeder LPK7MA-PTC3 METERING PUMP 192GPD/50 PSI

    Pulsafeeder

    METERING PUMP 192GPD/50 PSI

    LPK7MA-PTC3
    $1,954.53
    The Series E Plus offers the option to choose between4-20mAfor external pace inputs for automatic control.
    • 20 flow/pressure envelops
    • 100:1 turn down ratio
    • Optional 4-20mA with stop function
    • Optional External Pacing with stop function
    • Auto-off-Ma...
    Learn More
    Add to Wish List Add to Compare
  9. Pulsafeeder LPD4MA-PTC1 METERING PUMP 22GPD/150 PSI

    Pulsafeeder

    METERING PUMP 22GPD/150 PSI

    LPD4MA-PTC1
    $1,397.07
    The Series E Plus offers the option to choose between4-20mAfor external pace inputs for automatic control.
    • 20 flow/pressure envelops
    • 100:1 turn down ratio
    • Optional 4-20mA with stop function
    • Optional External Pacing with stop function
    • Auto-off-Ma...
    Learn More
    Add to Wish List Add to Compare
  10. Pulsafeeder LPE4MA-PTC1 METERING PUMP 44GPD/100 PSI

    Pulsafeeder

    METERING PUMP 44GPD/100 PSI

    LPE4MA-PTC1
    $1,436.40
    The Series E Plus offers the option to choose between4-20mAfor external pace inputs for automatic control.
    • 20 flow/pressure envelops
    • 100:1 turn down ratio
    • Optional 4-20mA with stop function
    • Optional External Pacing with stop function
    • Auto-off-Ma...
    Learn More
    Add to Wish List Add to Compare
View as List Grid

Items 1-10 of 50

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
  2. PRICE $ $1,200.00 - $1,999.99 Remove This Item
Clear All
Shopping Options
Category
  1. Reciprocating Pumps - Diaphragm, Piston, Plunger 23 items
  2. Rotary Pumps - Gear, Flexible Impeller, Screw 27 items
Voltage (Range)
  1. 110-120 29 items
  2. 208-240 1 item
  3. 110-120/220-240 20 items
Horse Power (HP)
  1. 1/4 1 item
  2. 1/3 5 items
  3. 1/2 4 items
  4. 3/4 4 items
  5. 1 6 items
  6. 1 1/2 3 items
  7. 2 3 items
inlet size
  1. Less than 1" 35 items
  2. 1" 5 items
  3. 1 ½" 1 item
PRICE $
$  -  $
Motor
  1. EXP (C 1, Gp C/D & C11, Gp F/G) 2 items
  2. EXP (C 1, Gp C/D) 1 item
  3. Hermetically Sealed 1 item
  4. ODP 16 items
  5. TEFC 13 items
  6. TENV 2 items