The importance of oil filtration

The importance of oil filtration

WixPC-11 has two categories: A and B. The choice for fleet operators is based on the existing engine design and manufacturer specs. Whatever your engine needs, the existing filters are built to handle both types. Type A is the generally used variety right now, while the changes Type B will bring for filters are “so minimal they wouldn’t be noticeable” according to Gary Bilski, Luber-Finer’s chief engineer for filtration.
PC-11 will also bring more high-temperature, high-shear oils to engines, but rest assured that today’s filters are well prepared to handle them.

“High temperatures put more stress on adhesives and sealing components,” Wix’s Chilton says. “The higher the ‘normal’ operating temp, the more likely we have to change materials to handle the heat.”

“Lower viscosity oils will result with engine components being separated by a thinner film of oil. The challenge for the filter will be to provide increased separation efficiency against even small contaminants without increasing the pressure drop across the filter,” Donaldson’s Miller says. “In addition, manufacturers will have to validate their material compatibilities at higher temperatures in some applications. The validation will be needed assure the filter will perform in operating conditions at sustained higher temperatures for the life of the filter.”

“The only potential change could be needing a little bit better efficiency, but I don’t predict a need for that and I haven’t heard anything. Though I wouldn’t rule it out,” Bilski says. “Also, engine oil temperatures will be elevated slightly, so that might lead to a change down the line. I haven’t seen a need for it in our testing so far; but it could happen down the line.”

More innovations in filtration

Beyond PC-11, what other changes might we see related to oil filters? “You are seeing longer oil drain intervals, which mean better media,” Wix’s Chilton says. “Typically, this would be full synthetic or synthetic blended media. Plastic cartridge style filters are also increasing in popularity with the big engine companies.”Donaldson Blue

“Fuel filters are another interesting area. The new fuels and injector specifications are pushing the bar higher on performance and water removal. Look for more innovations in this space.”

Luber-Finer’s Bilski also points out that we are seeing more cartridge filters now, for reduction of waste.

“The combination of high efficiency and low pressure drop isn’t necessarily a new requirement but rather one of increasing predominance. Synthetic media technologies like Donaldson’s Synteq and Synteq XP will continue to be adapted for more engine lube applications,” Miller predicts.

“No matter what oil standard you use, when it comes to filtration the same best practices apply,” Sheumaker says. “Spec the proper efficiency filter for your application, and use the highest-quality oil available, especially if you plan to extend your drain intervals. Also, regular air and fuel filter changes will reduce restrictions and help your engine operate at peak efficiency.”

“Finally, talk to your engine, lube, and filter suppliers,” he concludes. “They can help you make an informed choice about which oil and filter are best for your specific operation.”

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