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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.

Gear Pumps

Oberdorfer

N991 Oberdorfer PUMP & MTR.

OBN991-F41

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

10% Off Regular Price: $753.00

Special Price $677.70

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Oberdorfer

N992 Pump & Mtr.

OBN992-F41

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

10% Off Regular Price: $801.00

Special Price $720.90

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Oberdorfer

N993 Bronze Pump & Motor

OBN993M-J07

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

10% Off Regular Price: $1,146.00

Special Price $1,031.40

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Oberdorfer

N994 Gear Pump & Mtr.

OBN994H-N26

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

10% Off Regular Price: $1,554.00

Special Price $1,398.60

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Oberdorfer

N994 Gear Pump & Mtr.

OBN994J-W45

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

10% Off Regular Price: $1,995.00

Special Price $1,795.50

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Oberdorfer

2" Bronze gear pump

OBN26HDM

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

10% Off Regular Price: $3,477.00

Special Price $3,129.30

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Oberdorfer

Close Coupled Bronze Rotary Gear Pump

OBN999Q-F09
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...
10% Off Regular Price: $1,009.00

Special Price $908.10

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Sale

Hypro

CI gear pump 11 gpm

C4V

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

8% Off Regular Price: $392.00

Special Price $361.00

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Oberdorfer

3/4" Bronze gear pump 1HP

OBN970H-N47

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

10% Off Regular Price: $2,067.00

Special Price $1,860.30

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Oberdorfer

3/4" Bronze gear pump 3/4HP

OBN970H-M46

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...

10% Off Regular Price: $1,229.00

Special Price $1,106.10

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