The idea of putting an electric motor under water makes most people uneasy, but slowly over the last 50 years, the use of submersible pumps has grown throughout North America. Industries here have evolved in their ways of making choices of pumping equipment. There is a trend toward submersibles pumps over other options like self-priming or vertical pumps. Years of improvements in sealing systems design, manufacturing and monitoring have eased the submerged motor fears. In addition, developments in the use of slide rail systems have greatly facilitated the task of maintaining submersible pumps for waste water applications. While the transition to using submersible pumps has been slow, it continues to be a more acceptable way of pumping; especially for wastewater treatment operators, who utilize submersible pumps in a variety of applications throughout their plants.
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