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Submersible Pump Selections
Document Number: 247
A Submersible
Pump is a pump that can operate when totally submersed
in the liquid being pumped. Since submersible pumps are submersed in a liquid
and/or in direct vicinity to liquids, the electrical components/connections
are UL Listed for water applications as well as being waterproof to prevent
electrical shock. In addition to electrical components being waterproof, the
manufacturers still suggest use of a GFCI (Ground Fault Circuit Interrupter)
to be installed in the branch circuit that supplies electricity to a submersible
pump.
Submersible pump motor housings are completely sealed and require little
or no service when installed and used per manufacturer’s instructions.
Motors of submersible pumps are designed for continuous-duty use, meaning
that they are engineered and constructed in a manner to operate for long duration.
Pump motor housings of submersible pumps are normally filled with dielectric
oil for motor heat transfer as well as for lubricating of the internal moving
parts of the motor. Cooling of the motor is also assisted from the liquid
that the submersible pump is in contact when in use.
Submersible pumps are offered in a variety of models that are constructed
specifically for pumping of water and wastewater in commercial and/or industrial
settings. Some examples of typical uses include crawl space and basement sump
drainage, seepage cleanup, wash area discharge, flooded rooms, water discharge
from construction sites, dewatering waters that collect on flat roofs, and
recirculating water systems (eg. fountains).
The most common categories of submersible pumps for use in special applications
are frequently marketed/referred to as Portable Utility Sump Pumps, Sump/Sewage
Pumps, Continuous Duty Sump Pumps, High Temperature Effluent Pumps, Dewatering/Sludge
Pumps, and Waterfall/Stream Pumps. Performance specifications like horsepower,
liquid discharge rates/volumes, material construction and portability are
the key elements that differentiate these categories of submersible pumps
from one another. Choosing a submersible pump that fits a specific application
should be done with the help of the distributor and/or manufacturer who will
indicate what and how their specific sump pump is primarily been designed
for.
Commonly Asked Questions
| Q. |
Which types of submersible pumps does LSS carry? |
| A. |
LSS offers a variety of submersible pump offerings of different brands and
performance specifications. Some of these pump offering choices are:
- Continuous duty stainless steel pumps for standard sump draining, overflow
tank draining, and waste water draining.
- Dewatering and Effluent pumps for light to medium duty wastewater transfer demands that require
movement
of liquids that may contain solids.
- Sewage Ejector Pumps for
effluent waste water removal, wastewater and sewage handling where
liquids that may contain solids need to be moved from a collection
area to
sewer or
septic lines or to drainage areas.
- High Temperature Effluent pumps that have the specifications to handle liquids containing solids
at temperatures up to 200 degrees F.
- Portable Sump and Sewage Pumps that are continuous-duty
that are designed for draining flooded excavation sites,
basements, or
swimming pools.
- Waterfall & Stream Pumps that are ideal for use in decorative indoor and/or
outdoor applications requiring continuous water flow.
- Small/Miniature Submersible Pumps that are commonly used for saw coolant systems, and/or
machine tool coolants, or for use where continuous flow of liquid is
needed.
- Sludge Pumps for use in
removing water containing sand, solids, leaves, and/or other
debris.
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Please Note: The information contained in this
publication is intended for general information purposes only. This
publication is not a substitute for review of the applicable government
regulations and standards, and should not be construed as legal advice
or opinion. Readers with specific questions should refer to the cited
regulation or consult with an attorney.
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