Submersible Water Pumps

submersible water pumps


Submersible water pumps, as the name suggests, are pumps that are designed to be fully submerged in water. Converting rotary energy into kinetic energy and then pressure energy to move water up to the surface, submersible water pumps do not require priming and do not require much energy while operating.

A submersible water pump contains an air-tight sealed motor that is close-coupled to the pump cavity. It is excellent at preventing pump cavitation as well. Due to its compact design, it is often a welcome addition to all types of projects, especially those in constricted spaces.

Submersible pumps are suitable for applications like dewatering construction or mining sites, moving stormwater or trade waste, handling chemicals, and more.
A wide selection of configurations is available (low flow, high flow, low head, or high head), each designed to suit specific applications.

Does your next project require a submersible water pump? At Hunter Pumps Australia, we’ve handpicked the world’s best selection of submersible pumps suitable for a wide range of key industries.

Submersible Water Pumps Application

Clean Water Applications
Sandy Water Environments
Heavy Solids and Contaminants
Saltwater and Corrosive Scenarios
Agricultural and Farming Needs
Learn more about submersible water pumps

What is a Submersible Water Pump and how does it work?

Submersible pumps are the heart of various applications. Think about reducing groundwater, supplying drinking or firefighting water, pumping dirty water, or managing flooding scenarios like a drenched basement.

Even if you own a swimming pool and need to refresh its water or lower its level, these pumps come to the rescue.

They’re built to manage diverse liquids, even those with sand or other solids, efficiently pushing fluid to the desired location. From residential to commercial, their utility is boundless.

How Does A Submersible Pump Work?

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At the bottom of the submersible pump, there’s a part called the “suction grid.” Think of it like a vacuum cleaner for water. It sucks the water into the pump.
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Moving the Water
After the water is sucked in, it flows through a part called the “pump body.” This is essentially the “heart” of the pump that moves the water upwards.
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The water then reaches what’s called a “delivery connection.” This is like an exit door for the water.
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Exiting the Pump
Finally, the water leaves the pump and goes into a hose or tube. This is often called the “discharge hose.” The water is then drained or moved to where you need it to go.

Important: Keep the Pump Wet

One crucial thing to remember is that submersible pumps need water to stay cool. If the pump runs without water, it’s like a car engine running without oil; it will get damaged. So, always make sure your pump has enough water to work with. This is not optional; it’s a must-do to keep your pump working for a long time.
A submersible pump sucks in water at the bottom, moves it through its body, and then sends it out through a hose or tube. And remember, always keep the pump submerged in water to prevent any damage.

Tips for Buying a Submersible Pump

Capacity Check

Know your needs and match them. Capacities range from 7,500 to 18,000 litres per hour. Anything less is a compromise.

Delivery Head

This is the maximum elevation your pump can achieve. Choose accordingly.

Manual or Automatic

Want a set-and-forget system? Select for a float switch. Manual operation has its merits but requires vigilance.

Why Choose Hunter Pumps?

At Hunter Pumps, we prioritise quality. Handpicking from the world’s best, our extensive range of submersible pumps is sure to meet, if not exceed, your expectations.

Whether it’s bore pumps, submersible units for fluid surfaces, or specialised solutions, our expert team ensures you get the best in stock.
From residential to commercial applications, we’ve got you covered.

Ask our team of specialists

Get in touch with Hunter Pumps to schedule your free pump assessment

Contact Hunter Pumps today

Frequently Asked Questions (FAQs)

The primary advantage of a submersible pump is that it never needs to be primed because it is already submerged in the fluid that needs to be pumped.

The key difference is in how they operate in relation to water. External water pumps must suck water in to begin the pumping process, whereas submersible pumps are already surrounded by water, allowing them to focus solely on the task of pumping the water out.

Submersible pumps have a wide range of applications and are used in various sectors. They are commonly employed in sewage treatment plants, seawater handling facilities, firefighting operations, water well drilling, offshore drilling rigs, artificial lifts, mine dewatering, and irrigation systems.

Submersible pumps are generally more efficient at pumping water from greater depths compared to external water pumps. Their design allows them to be close-coupled to the pump cavity, making them efficient and reliable for deep applications.