The Self-Priming Pumps And Their Uses

Self-priming pump stands out as one of the most widespread solutions for transferring fluids in the industrial field, with many uses in sectors such as wastewater treatment or the chemical industry, among others. These industrial pumps stand out for their reliability and excellent performance, which makes them a great investment if you are looking for equipment to modernize your company.

How does a self-priming pump work?

Self-priming centrifugal pumps are a particular type of hydraulic pump. The main function of these pumps is to provide the fluid with the flow and pressure it needs to fulfill a certain function, be it wastewater treatment or the supply of domestic hot water in a home. In the case of centrifugal hydraulic pumps, a category to which self-priming pumps belong, their operating principle is transforming mechanical energy into kinetic and potential energy.

But how does self-priming work on these industrial pumps? Let’s see it step by step. When the rotary impeller or pump blade moves, a negative pressure is generated that introduces the air inside. Inside the pump, this air is emulsified with the fluid and passes to the priming chamber. The dimensions of the chamber cause a loss of speed in the fluid, which separates again into air and liquid. The lighter air is expelled from the pump through the discharge pipe while the heavier liquid recirculates inside the chamber, completing the priming. Once primed, the pump works like a conventional centrifugal pump.

Advantages of self-priming pumps

  • Self-priming pumps are indicated to work with all types of fluids, even those with gaseous content of suspended particles, adapting to a wide range of flow rates and working pressures.
  • Self-priming pumps are open or semi-open impellers since they do not need a check valve.
  • While the pump is stopped, the clapper valve prevents the suction pipe from emptying. In the case of accidental emptying, Who will retain a sufficient quantity of liquid to allow priming?
  • Among the main advantages of self-priming pumps is also low maintenance. Once installed, they only require routine monitoring. In addition, being placed on its surface, these pumps are very easy to handle in case of repair.

Self-priming pumps: uses and applications

Self-priming pumps have many applications for industrial use. These industrial pumps are a common solution for treating sewage or chemical products, sandy waters, drills or light oils or emptying industrial waste tanks and sinks. Its use is also widespread for irrigation systems or fertilizer management in the agricultural sector.

What type of pump is best suited to your activity? Within self-priming pumps, we find a great diversity of industrial pumps. Peristaltic pumps, for example, are among the most commonly used industrial pumps today. If you are considering renewing your industrial equipment with a new self-priming pump, you can find pumps for different flows and working pressures in the current market. Before deciding, consult your hose pump manufacturer about the technical specifications your new pump must meet according to your sector and activity to ensure optimum performance.

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