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Maximized uptime and reduced risks & costs

At COT-Clean Oil Technology, we understand the importance of maximizing continuous operation and effectively reducing the risk of costly downtime and operational issues. The COT Oil Refiner System optimizes operational efficiency and ensures that our customers can operate with clean oil, free from the risks of downtime and the need for filter changes. Our maintenance-free solution saves both time and money for our customers.

Explore the benefits

We significantly extend the lifespan and usage of both oil and application.

By effectively removing all the water from the oil, our solution not only doubles, or even more depending on the application, the lifespan of the oil and application, but also reduces the need for frequent oil changes. This minimizes the risk of unplanned downtime, significantly lowers maintenance costs, and protects your system against unnecessary wear.

Service- and maintenance-free

We enable our customers to focus on their core business and operations. Our solution is designed for continuous operation without the need for regular maintenance, saving time and money while reducing the risk of costly failures.

Sustainable solution - for your operations and the environment

Our solution also contributes to a more sustainable operational approach that protects our environment. By extending the life of both the oil and the application we reduce the consumption of oil, components and CO2 emissions.


Our technology offers flexibility in both capacity and installation.It is designed for retrofitting existing applications and new systems. The COT Oil Refiner System functions as a bypass solution, fully adapted to your specific application and environment, minimizing both space and impact.

Fast-track your ROI with COT Oil Refiner System

Achieve a return on your investment in just a few months with the COT Oil Refiner System, a major advantage highly valued by our customers compared to the industry standard of two to three years.


Our solution is ideal for the marine and offshore segments. Unlike alternative purification systems, for example separators, tend to be large, expensive, energy- and maintenance-demanding to maintain in continuous operation, our solution is both cost-effective and maintenance-free. With a low initial investment, the
COT Oil Refiner System is the most efficient solution for removing all the water from hydraulic, lubrication, and transmission systems.

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