Why Water in Fuel Is a Growing Concern
As biodiesel and biodiesel blends become more common, the industry is experiencing an increased presence of more stable and higher concentrations of water emulsions in diesel.
Water is a particularly challenging contaminant in fuel for today's high-pressure common rail (HPCR) fuel injection systems.
Even small amounts can lead to:
- Fuel filter plugging
- Build-up of injector deposits
- Reduced lubrication
- Catastrophic injector failure
- Engine damage and costly downtime
- Bacterial growth in bulk and on-vehicle fuel tanks
How Coalescing Filtration Helps
To combat these risks, the industry is shifting toward more advanced water separation technologies—specifically, coalescing filtration.
Here’s how it works:
- Multi-layered filter media with multiple-stage filtration
- Grow finer water droplets into larger ones
- Remove larger droplets from the fuel before they can cause harm.
- Reliably remove them from fuel throughout the life of the filter.
Coalescing helps to keep engines protected and running efficiently.
Filtration: Your First Line of Defense
Water isn't the only threat in diesel fuel. Other contaminants such as dirt, metal particles, and organic debris pose serious risks to engine performance and longevity.
Effective fuel filtration helps:
- Prevent unexpected equipment failure
- Protect your engine’s most sensitive components
- Avoid contamination-related warranty disputes
- Lowers the total cost of ownership over time
The Bottom Line
Managing water in diesel fuel is critical, especially as engine technology advances and the use of fuels manufactured from renewable sources increases. Upgrading to advanced coalescing filters and maintaining good fuel storage and transfer practices can help you avoid downtime, reduce maintenance costs, and get the most from your investments.
