One such technology is water lubricated-sterntube systems, these are becoming more popular with operators and meet the VGP 2013 and Polar Code requirements. Simplex-Turbulo is proud to be the authorised distributor for the Simplex BlueRun product range, which guarantees a long service life on its water-lubricated systems and includes water-lubricated polymer bushes, TWP, the portfolio includes:
Simplex BlueRun sterntube bush
Simplex carrier bush
Simplex carrier bushes are suitable for the Simplex BlueRun bushes and are fixed to the sterntube.
Simplex BlueRun water quality system
The Simplex BlueRun water quality system cleans the seawater by filtration, it is then pumped through the sterntube bushes where it lubricates, cools and flushes.
Tail shaft monitoring
The tail shaft monitoring system provides reliable information about wear to the bushes and is a critical tool for early replacement planning.
It appears that the industry is starting to turn full circle in readopting water-lubricated sterntube systems, the very first lubricant used for the earliest propeller shafts being seawater. Oil became the preferred alternative from the 1960’s as bearings were originally made from wood and perished quickly. Today, over 90% of vessels continue to use oil-lubricated sterntube systems. Although oil lubrication is a tried and tested solution, water-lubricated sterntube systems offer various advantages and are catching up fast, with an improved life expectancy to match the best oil systems on the market. Simplex BlueRun requires less maintenance than an oil system and eliminates the potential of a costly environmental accident from seal failure.
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