For the two centrifugal pumps, the current is 90A for one and 110A for the other. Why?
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For the two centrifugal pumps, the current values are 90A and 110A respectively. Does anyone know why?
There are two factors related to inlet pressure, as well as impeller efficiency. Since pump casings are usually made by casting, there can be variations in the gap distance between the volute and the closest point on the impeller. It is recommended that, in cases of overload, the outlet valve of the pump should be closed slightly.
Are the process loads (exit pressure, flow rate) and shaft seals the same?
Are the operating parameters of the two pumps the same? Actual traffic. Another question: what is the difference in efficiency between the two pumps themselves?
The operating conditions are the same, right? One in use and one as backup
With the same traffic volume, efficiency issues are also suspected