Surface Pump Solutions
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Positive Displacement Pumps

The Dover team manufactures a full line of positive displacement pumps, available in 50, 80, 130, 165, 200, 300, 340 and 400 horsepower.  Each model can be equipped with low, medium, or high pressure fluid ends.  While Dover pumps are dimensionally interchangeable with other name brands, a number of improvements have been built into our designs to increase service life and minimize maintenance: 

• STEEL COVERS AND DUCTILE IRON RETAINERS  
We use steel covers for the rear, crosshead, and top cover plates as opposed to cheaper cast aluminum covers which have a tendency to crack and break on the corners. We also use ductile iron retainers on the intermediate wiper retainers (wiper box). Other suppliers use cast aluminum retainers which disintegrate when exposed to salt water requiring replacement.

• INTERCHANGEABLE LONG LASTING GEAR REDUCERS
Our gear reducers are completely interchangeable with other manufacturers, and we do not use metric dimensioned gears.  We back-file and de-burr every gear reducing wear, heat and noise. 

• ELLIPTICAL VALVES STANDARD  
We use elliptical valves as our standard type valve while other companies will charge extra for this type of valve.  Elliptical valves provide better abrasion resistance than standard valves.  We can also supply ball and seat type valves and other options upon request. 

• PUMPS/PUMP PACKAGES 
We supply single pumps and pump packages including: 
o Electric motor drive 
o Soft start controllers 
o Variable speed drives 
o Natural gas engines 
o Diesel engines 

For more information or to request a quote, please complete and submit our Pump Application Data Sheet and a Dover Artificial Lift Pump Specialist will contact you regarding your specific pump needs.


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