is an equipment which is completely sealed close together to the pump
body. The entire assembled device is submerged in the liquid to be
pumped. The best advantage of such kind of pump is to prevent pump
cavitation, a problem which is with a high elevation difference
between pump and the liquid surface. Submersible pump pushes liquid
to the surface as different from jet pumps having to pull liquid.
Submersibles are much better than jet pumps.
pumps can be used for different applications. Single level pumps are
majorly used for drainage, general industrial pumping, slurry pumping
and sewage pumping. They are also known for pond filters. Multiple
stage submersible pumps are typically lowered down a borehole and
used for water abstraction, water wells and in oil wells.
type of submersible pump are sump pumps and sewage pumps. These pumps
types are more known with residential users. However, these pump can
be used in a number of other applications such as fountain pumps,
borehole pumps and well pumps.
Advantages There are
numerous advantages of a submersible pump. First, it has been
self-primed as the substance it is pumping is usually water, is right
there at the pump itself. Further, the submersible pump may actually
have to do less work than a standard pump simply because it is closer
to the liquid being pumped.
Disadvantages There are
some disadvantages to submersible pumps as well. There is the chance
the pump will become corroded and lose its seals, thus allowing
liquid to penetrate into the motor housing and causing substantial
damage to the unit.
How to Select
a Submersible Pump When choosing a pump, consider factors
such as flow rate, pressure requirements, application and power
source to find the right unit to meet your needs.
Consider where the pump will be used. Submersible pumps are available
in two basic designs, including well and sump varieties.
2 Determine the
pressure requirements for your pump. The pressure of a submersible
pump is also known as head or lift. It is measured as the vertical
distance from the pump to the highest point of discharge.
the flow rate. Every pump is rated for a certain flow rate, which
indicates how much water the pump can move per minute or per hour.
whether your pump will need to handle only liquids, or both liquids
and solids. According to the Environmental Equipment and Supply
Company, those who will need to drain some solid materials should
look for a sewage ejector or sludge pump. Those looking to drain only
liquid with no solid particles mixed in will need a simple sump pump.
5. Think about
how your pump will be powered. Submersible pumps can be powered using
AC or DC power, and some can even be hooked up to a generator.
6. Look for
pumps with an automatic power switch option. Pumps equipped with this
switch will run automatically once they are submerged, and will stop
running when there is no more water to pump. This feature helps keep
the motor from burning out, and is very convenient for pumps that are
difficult to access.