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Thin-liquid internal gear pumps

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article image Suitable for low-viscosity pumps.

VIKING Pump, represented in Australia by Kelair Pumps , has released thin-liquid internal gear pumps that handle low viscosity liquids with high efficiency, offering advantages in applications normally associated with centrifugal pumps. The pumps are suitable for non-lubricating or corrosive liquids with low viscosities.

Viking pumps are self-priming and capable of reversing the direction of flow, enabling use of one pump instead of two for loading/unloading or line stripping. The gear pump's flow is directly proportional to input speed, allowing it to meter process liquids.

Thin-liquid models are available in iron, steel or stainless steel, with adjustable end clearances and idler gears of iron, non-galling 770 alloy or PPO composite.

The pumps offer capacities up to 17m3/h and a pressure range of 0 to 7 bar at viscosities from 0.1 to 4 cSt, or up to 17 bar at higher viscosities. Close or long-coupled options, with motor-speed operation, reduce overall system cost and space required.

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