National Oilwell Varco is the leading provider for the worldwide oil and gas industry and has been dedicated to providing the highest quality oilfield products and services for more than 140 years.

Wheatley Gaso™ reciprocating positive displacement multiplex pumps

National Oilwell Varco manufactures a wide range of rugged and reliable piston and plunger pumps from 2 HP to 2250 HP.

National Oilwell manufactures quality and reliability into every continuous and intermittent duty reciprocating pump. These field proven and time tested pumps are available in simplex, duplex, triplex and quintuplex designs. There is not a more complete offering of rugged and reliable reciprocating pumps anywhere in the world.

  • Complete line of reciprocating plunger, piston and intermittent duty pumps
  • Constant delivered flow independent of system pressure
  • High mechanical efficiency (90%) and high volumetric efficiency (95%)
  • Low speed for long service life
  • Easily field maintained and repaired
  • Low operating cost
  • Liquid end metallurgy and trim available for almost any suitable application

Plunger Pumps

  • Flow range: 0.7 GPM to 1500 GPM
  • Discharge pressure: up to 8000 PSI
  • Horsepower range: 2 to 1069 BHP

Piston Pumps

  • Flow range: 6 GPM to 700 GPM
  • Discharge pressure: up to 1800 PSI
  • Horsepower range: 4 to 258 HP

Intermittent Duty Pumps

  • Flow range: 5 GPM to 1500 GPM
  • Discharge pressure: up to 20,000 PSI
  • Horsepower range: 33 to 2250 HP
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