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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. Oberdorfer Pumps

    Close Coupled Bronze Rotary Gear Pump

    N999Q-J46

    $1,411.00

    Features N999 Series:

    • Compact design eases installation and use in limited space areas.
    • Construction is bronze and stainless steel wetted components.
    • Close tolerance design allows for consistent performance
    • Helical gears for quiet operatio...
  2. Oberdorfer Pumps

    Close Coupled Bronze Rotary Gear Pump

    N999Q-32-J46

    $987.00

    Features N999 Series:

    • Compact design eases installation and use in limited space areas.
    • Construction is bronze and stainless steel wetted components.
    • Close tolerance design allows for consistent performance
    • Helical gears for quiet operation.

    Pu...

  3. Oberdorfer Pumps

    N993 Bronze Pump & Motor

    N993M-J07

    $1,146.00
    Bronze 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 ar...

    1/2 HP 115v Learn More
  4. Oberdorfer Pumps

    Bronze Gear Pump & Mtr

    N992RMS5-F01

    $947.10
    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. Includes relief valve in pump head...
  5. Graco Pumps

    EGP Transfer Pump 115v

    25T820

    $772.00

    EGP™ Transfer Pump, 115 VAC, 3.9 gpm (14.8 lpm), 65 psi (4.5 bar)

    Choose cost-saving convenience with the all-new Graco EGP electric pumps. Attach the EGP transfer pump directly to roll-around barrels for more mobility in more places. These pum...

    115vAC Learn More
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