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Gear Pumps

Gear pumps, or rotary gear pumps, are positive displacement (or fixed displacement), meaning they pump a constant amount of fluid for each revolution. They consist of at least two separate and rotating gears with inter-meshing teeth. As these meshed teeth separate, they create a partial vacuum which is filled by the fluid being pumped. As the gears then continue to rotate the fluid becomes trapped and is carried around the casing to the discharge side of the pump. Here as the gear teeth begin to re-mesh the fluid is ejected creating a pumping action. Gear pump brands Oberdorfer Hypro Shertech

Typical Applications for Gear Pumps

  • Petrochemicals: Pure or filled bitumen, pitch, diesel oil, crude oil, lube oil etc.
  • Chemicals: Sodium silicate, acids, plastics, mixed chemicals, isocyanates etc.
  • Paint and ink.
  • Resins and adhesives.
  • Pulp and paper: acid, soap, lye, black liquor, kaolin, lime, latex, sludge etc.
  • Food: Chocolate, cacao butter, fillers, sugar, vegetable fats and oils, molasses, animal food etc.
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  1. Hypro Pumps

    Hot Oil Gear Pump Less Motor

    NG11V-PH

    $2,099.00

    NG NSF Listed Industrial Gear Pumps. Obsolete

    Gear pumps are recommended for non-abrasive, non-flammable liquids compatible with pump component materials. They can be used for liquid circulation, lubrication, pressure boosting, filtering, medium ...

  2. Oberdorfer Pumps

    3/4" Bronze gear pump 1HP

    N970H-N75

    $2,659.00
    3/4" Bronze rotary gear pump without relief valve and close coupled to a 1 HP 12VDC 1725 RPM motor. Often used to pump Diesel fuel. Pump housings and gears are made of top quality bronze, shafts are stainless steel 303. Bearings are made of high ...
    12vdc Learn More
  3. Oberdorfer Pumps

    2" Bronze gear pump

    N26HDM

    $4,991.00
    Long coupled gear pump made of cast bronze. If used above 900 RPM with non-lubricating fluid, then duty cycle is limited to intermittent.

    Continuous duty on lubricating liquids like oils. Use slower speed motor at lower flow rates for water an...

    up to 170GPM Learn More
  4. Oberdorfer Pumps

    N994 Gear Pump & Mtr.

    N994J-W45

    $1,995.00
    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 positive...

    2HP 115/230 Learn More
  5. Hypro Pumps

    SS Rotary Gear Pump Pedestal

    GPSV2

    $2,469.00
    Pedestal Gear pumps are recommended for non-abrasive, non-flammable liquids compatible with pump component materials. They can be used for liquid circulation, lubrication, pressure boosting, filtering, medium pressure spraying, sump draining,...
  6. Hypro Pumps

    Stainless Rotary Gear Pump Pedestal

    GPSV4

    $2,689.00
    Pedestal Stainless Gear pumps are recommended for non-abrasive, non-flammable liquids compatible with stainless steel pump component materials. They can be used for liquid circulation, lubrication, pressure boosting, filtering, medium pressur...
  7. Hypro Pumps

    SS Rotary Gear Pump Pedestal

    GPSV6

    $3,309.61
    Pedestal Gear pumps are recommended for non-abrasive, non-flammable liquids compatible with pump component materials. They can be used for liquid circulation, lubrication, pressure boosting, filtering, medium pressure spraying, sump draining, dru...
  8. Hypro Pumps

    316SS Gear pump

    GMSV4A53

    $3,659.00

    316SS Rotary Gear pump. Ryton gears. Stainless steel gear pump for aggressive chemicals.

    Use for pressure spraying, circulation of lubricants, tank / drum filling. Will handle water like liquids to very thick. Bi-rotational allows for flow direct...

    3/4HP 230/460v , 1/2" Learn More
  9. Hypro Pumps

    Bronze Gear pump 1HP

    GMBN3VA43

    $2,272.75
    Rotary Gear pump 3/8". 303 SS fasteners, Ryton gears.

    Adjustable relief valve designed for internal pressure relief, can be ported for either internal or external discharge. Do not operate the relief valve for more than one minute.

    Use for pre...

    3/8" 3phase ODP Learn More
  10. Hypro Pumps

    Bronze Gear pump

    GMBN4VA5

    $2,616.44
    Rotary Gear pump 3/8". 303 SS fasteners, Ryton gears.

    Adjustable relief valve designed for internal pressure relief, can be ported for either internal or external discharge. Do not operate the relief valve for more than one minute.

    Use for pre...

    3/4" 1.5HP 115/230V ODP Learn More
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