Why do pump seals leak ? What amount of leakage is normal, and what indicates a pump seal failure ? In finding the answer, you will also find the best pump seal solution to fix your pump’s leaking seals.
The whole purpose of pump seals – either mechanical seals or packing seals – is to contain the pressure of the pumping process and withstand the friction of the pump shaft rotating to prevent the pump from leaking. However, both positive displacement pumps and centrifugal pumps can be plagued by leaking seals.