Technological highlight: the Tsurumi oil lifter

Published on 14.02.2025

A technological highlight in over 100 years of #Tsurumi history is the development of the oil lifter in 1998, which is partly responsible for the legendary reliability and reliability of our units. Our engineers in Japan invented this component, which is positioned around the mechanical seal and ensures optimum lubrication of the upper seal faces. This works even if the lubricant is reduced to up to 1/3 of the nominal volume.


Pumps without oil lifters displace the lubricating oil to the outside. This quickly leads to bearing damage. In all Tsurumi pumps, the oil lifter ensures that the mechanical seals are permanently lubricated. This extends the service life of the mechanical seal. In addition, the combination of double inner mechanical seal and oil lifter prevents seal damage during dry running. Since then, even when a Tsurumi is aligned horizontally, the seal faces remain lubricated, which contributes to the longevity of the pump and ensures maximum performance when working in any position.

This video shows what makes the Tsurumi oil lifter so unique:

https://www.youtube.com/watch?v=wZ0Une6_MVc

#stronger4longer

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