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Viking Pumps

Viking Pump, Inc. has been a gear pump industry leader and innovator since its founding in 1911. They continue to build on their ever-growing experience to deliver innovative pumping solutions (including custom designs) to thousands of customers who use millions of Viking pumps in some of the world’s toughest applications.

The Viking range of gear pumps includes both internal gear pumps and external gear pumps.

The internal gear pumping principle was invented by one of the founders of Viking Pump. It uses two rotating gears which un-mesh at the suction side of the pump to create a vacuum which pulls fluid into the pump. The spaces between the gear teeth transport the fluid on either side of a crescent to the discharge side, and then the gears re-mesh to discharge the fluid.

The external gear pumping principle uses two rotating gears which unmesh at the suction side of the pump to create a vacuum which pulls fluid into the pump. The spaces between the gear teeth transport the fluid along the outer perimeter of the housing to the discharge side, and then the gears re-mesh at the center to discharge the fluid. The gears are supported by bearings on both sides, which allows high discharge pressure capabilities.

Seal-less magnetic drive pump, versions are also available across some of the ranges of gear pumps.

AxFlow/AQS Liquid Transfer is an authorised Distributor for Viking Pump.

  • Consists of two identical gears, interlocked & placed above one another inside the casing. These two gears are supported by two separate shafts with one of the shafts connected to the drive, thus referring to the "Drive Gear" and "Driven Gear".
  • Consists of a small gear (idler) inside a larger gear (rotor), interlocked and separated by a crescent. The rotor is connected with a shaft to the drive and thus the idler gets driven by the rotation of the rotor.
  • Consists of two pumping elements (rotors) rotating in opposite directions inside the pump casing. A cavity is created on the suction side. Fluid fills this cavity and the rotation of the rotors displaces the fluid through the pump to the discharge.
  • Consists of a vane impeller connected to the drive of the pump. On the inlet side, the rotation of the impeller increases the volume of the vane chambers. The vane chambers then get filled with fluid and the vane chambers get emptied at the discharge, thus pumping the fluid out.

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