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10/10/2019 0 Comments

Particle separation from seawater

Water lubricated bearings require a steady flow of water to act as cooling agent for the bearing material. Heat is generated in lubrication states where there is a degree of contact between shaft and bearing. This heat needs to be evacuated to avoid heat build-up above the bearing materials temperature limit
Open loop water lubricated propeller bearings use (sea)water as cooling medium. Depending on the location, the (sea)water will contain a varying number and sizes of solid particles. These particles can over time cause increased bearing and shaft wear, resulting in reduced bearing wear-life.
The solution is to filtrate the (sea)water before it is flushed into the stern tube and over the bearings. Filtrating the water flow by means of regular filter units will rapidly fill up the filter cartridges and is not a time and cost-effective method of removing particles in an open-loop system. To allow effective particle separation and continuous drain overboard, Norden Marine Bearings have developed a range of hydro cyclones fit for the purpose.
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Norden Marine Bearings' Water Filtration Units include two hydro cyclones for continuous particle separation and drainage.

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5/31/2019 0 Comments

Replacing Oil with Seawater

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CLEAN SEAWATER: – We replace oil-lubricated propeller bearings with water-lubricated ones. Water lubrication is definitely the way forward. We have developed and designed robust systems with a long lifespan for ships, says Ove Kvittingen, Managing Director of Norden Marine Bearings.
Norden Marine Bearings in Os, Norway,  produces solutions that make the oceans cleaner and ships more reliable.  

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Telephone

​+47 56301000

Email

post@nordenmarinebearings.no
Norden Marine Bearings AS
​Industriveien 13, 5210 OS - Norway

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