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The type of pump commonly used for condensate return in steam systems is a condensate return pump. This specific pump is designed to handle the unique requirements of condensate systems, where water returns from various processes to be reused in the boiler feed system.

Condensate return pumps are specifically engineered to efficiently transport condensate, which can contain some residual heat and may be at lower pressure. These pumps typically incorporate features such as automatic operation and a float switch that helps to maintain the water level in the system, ensuring that condensate is captured and returned without any significant loss of energy or efficiency.

In steam applications, managing condensate properly is crucial for system efficiency and energy savings. By effectively returning the condensate, these pumps contribute to maintaining the desired steam pressure and ensure that the overall steam system operates smoothly. This is why the condensate return pump is the correct choice for this application.