Pumped Up Performance

Man has been using pumps of varying kinds for over 4000 years. The ancient Egyptians’ invention of the “shadoof” in 2000 BC was the start of the large-scale use of pumps for agricultural industry, and we haven’t looked back. Pumps today are found in hundreds of different applications in the municipal, industrial, agricultural and aquaculture arenas.

Flood Control

Recent flooding events all over the world highlighted the crucial role that flood control pumps can play in mitigating the devastating effects of overflowing rivers. In these instances, it is imperative that pumps are dependable during continuous and long-term usage. Morrison Pump Company, for example, manufactures large, rugged axial or propeller pumps that are specifically designed for continuous, reliable duty 24 hours a day. The company is certified and registered in conformance with ISO 9001:2008.

Vertical lineshaft pumps are often required to run in continuous duty applications, where high efficiency is mandatory and failure could be catastrophic. Mechanical design, material selection, and hydraulic design need to translate into a pump that offers durability, reliability, efficiency and ease of maintenance.

There are three main types of pumps – axial, mixed flow and floating.

Axial Pumps

Also called propeller pumps, axial pumps are centrifugal pumps that are characterized by high flow rates and low discharge pressures. They move fluid axially through an impeller that looks and works like a boat propeller, hence their alternate name. The impeller is driven by a motor that is either sealed directly in the pump body, or by a drive shaft that enters the pump tube from the side.

Mixed Flow Pumps

These pumps are similar to axial flow pumps with similarly high flow rates, but the impellers have a radial component, achieving higher heads. Mixed flow pumps have many applications across a wide range of industries. In agriculture, they are used to draw water from a river or channel; in industrial markets, mixed flow pumps are used for dewatering and cooling water; and in aquaculture they are used for circulating water in large ponds.

Floating Pumps

The floating pump is a wonderful innovation with many uses in urban or rural environments where it is either impossible or too expensive to build classical pump stations. Typical applications include open pit mining, flood control, and other emergency or portable operations.

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