The first way to
avoid common wastewater pump failures is to buy quality pumps from the right wastewater
pump manufacturers in Australia. You should also keep your pumps well maintained
and use them for the intended purpose. When pumps fail, you will have to manage
the consequences like maintenance, downtime, and damage. You will also have to
deal with sewage overflow in case your wastewater pump fails.
Knowing some of the
most common causes of wastewater pump failure will help you avoid failures. By
implementing proper maintenance plans that mitigate pump failures, it is
possible to keep your wastewater pumps running for as long as possible.
Causes
of wastewater pump failure
Cavitation
While wastewater
pumps can fail in a variety of ways, there are some common causes of pump
failure. Cavitation is the rapid creation and collapse of bubbles of air in the
pumped fluid. This happens when the NPSHa is lower than the NPSHr.
Air bubbles form
areas of low pressure in the pump then collapse as they move to high-pressure
areas. Pump cavitation damages the mechanical seals and bearings of the pump. This
reduces the performance of the pump to a point where you may need to acquire a
new pump from wastewater pump manufacturers in Australia.
Fouling
This is another
common issue for wastewater pumps. Over time, particulate matter from the fluid
being pumped can accumulate to water pump flow path surfaces. Hard water can
cause scaling while wastewater can cause the creation of biofilms.
Early detection of
fouling is easier to fix so it is important to keep an eye on your pump and fix
these problems before it becomes a complicated issue to fix.
Preventing
corrosion
Buy pumps from wastewater pump manufacturers that have been sealed to prevent corrosion if you
are pumping corrosive fluids. You can also slow down the corrosion process by
choosing corrosion-resistant pipes.
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