Lubrication & Cooling

Fluiten GTA/10774 Mechanical Seal for Digesters
2 December 2022

In the first issue of this series of technical bulletins, we saw that the main cause of mechanical seal failure is lack or instability of the liquid film between the sealing surfaces, which is essential for their cooling and lubrication. We listed the main reasons for the lack of liquid film, and this leads us to the need to choose the right flushing according to the operating conditions.

The seal’s rotary ring “slides” on the stationary ring at the shaft’s rotational speed, driven by the force generated by the pressure of the liquid itself.

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