Is it feasible to use a shielded pump without a return pipe?
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Can a shielded pump do without a return pipe?
Sure! Our unit doesn’t have a return line, but it still depends on the outlet pressure of your shielded pump.
Backflow is not necessary, but an exhaust pipe is still required; in some cases it is an internal circulation system, so no piping installation is needed.
It depends on your process requirements; if the minimum flow rate is greater than 30%, then a return line is not necessary.
The product information from the canned motor pump factory includes introductions to different pump types, including those with internal shaft circulation