Mechanical Pumps

Mechanical Pumps are at the Heart of our Expertise

Mechanical pumps serve in a wide range of applications, such as in the energy industry for pumping oil and natural gas or for operating cooling towers in geothermal operations. Water districts are another market, where Energy Link has significant experience.

Centrifugal Pumps

Centrifugal pumps are used to transport fluids by converting rotational kinetic energy to hydrodynamic energy. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), then exits the system.

Commonly used for water, sewage, agriculture, petroleum and petrochemical pumping. Centrifugal pumps are often chosen for their high flow rate capabilities, abrasive solution compatibility, mixing potential, as well as their relatively simple engineering.

Positive Displacement Pumps

A positive-displacement pump moves a fluid by trapping a fixed amount and forcing (displacing) that trapped volume into a discharge pipe.

Liquid flows into the pump as the cavity on the suction side expands and the liquid flows out of the discharge as the cavity collapses. The volume is constant through each cycle of operation.

PD pumps are most often used in applications that have high viscosity such as:

  • Piston and Plunger pumps are used to pump low viscosity fluids, paint spraying, oil production, and high force washing.
  • Diaphragm pump can be used for metering, spraying, treatment of water, oils, and paints.
  • Gear pumps are used for pumping the high viscosity fluids within the petrochemical, food industries, paints, oils, etc.
  • Lobe pump is used in food and chemical industries pharmaceutical, biotechnology, sanitary, etc.
  • Screw pump is used in fuel transferring, production of oil, irrigation, etc.
  • Vane pump is used in low viscosity liquids, fuel loading, & transmission, etc.
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