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Gear Pumps

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

    N991 Oberdorfer PUMP & MTR.

    $753.00
    Glycol circulation Pump by Oberdorfer is just one of hundreds of applications. 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 selec...
    1/2HP 115 Learn More
  2. Oberdorfer

    N992 Pump & Mtr.

    $801.00
    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. Motor may not ...
    1/3HP 115v Learn More
  3. Oberdorfer

    N993 Bronze Pump & Motor

    $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

    N994 Gear Pump & Mtr.

    $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
  5. Oberdorfer

    N994 Gear Pump & Mtr.

    $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
  6. Oberdorfer

    2" Bronze gear pump

    $3,477.00
    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
  7. Oberdorfer

    Close Coupled Bronze Rotary Gear Pump

    $1,009.00

    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...
  8. Hypro C4V CI gear pump 11 gpm
    Sale

    Hypro

    CI gear pump 11 gpm

    8% Off Special Price $361.00 Regular Price $392.00
    11 GPM Cast iron pedestal mounted gear pump. For oils and other lubricating liquids. Not for use on water. Vellumoid Gasket Material, Viton Lip Seal
  9. Oberdorfer

    3/4" Bronze gear pump 1HP

    $2,067.00
    3/4" Bronze rotary gear pump without relief valve and close coupled to a 1 HP 115v/1/60 1725 RPM TEFC motor.Pump housings and gears are made of top quality bronze, shafts are stainless steel 303. Bearings are made of high performance carbon-gra...
    115/230v ODP Learn More
  10. Oberdorfer

    3/4" Bronze gear pump 3/4HP

    $1,229.00
    3/4" Bronze rotary gear pump with relief valve and close coupled to a 3/4 HP 115v/1/60 1150 RPM TEFC motor. Shaft speed and flow are directly proportional. Motor HP needs to increase with a increase in pump pressure. The nature of a positive disp...
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