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The type of material in the fluid should be considered when selecting a proper pump for wastewater treatment.
There are two main concerns regarding the torque required to start a PD pump.
The initial purchase and installation cost of a new pumping system is a small portion of the life cycle cost of the pump.
Some causes for these forced vibrations are misalignment of the pump and driver shaft.
Uncertainty must be considered, as is the case with all tests.
There has been an effort to upgrade pumps originally designed for packing to accommodate mechanical seals.
Forced vibration is due to a mechanical or hydraulic component of the pump
Understand types of PD pumps for this application
What material considerations should be made?