Oil mist separators from UT99 for demanding applications


Leading filter technology for internal combustion engines and lubricating oil tank ventilation


Oil mist separator for venting lubricating oil tanks
UPF-OTV product range
Swiss made

Market leader with a passion for perfection and environmental protection

State-of-the-art engineering since 1969

For almost 50 years, we have been passionate about developing highly efficient filter technologies protecting our environment as best as possible. Based on our well-founded experience, we develop, manufacture and distribute products preventing the escape of oil mist into the engine compartment and environment almost completely.

Oil mist separation perfected

With our products for power plants, off-highway and maritime applications it is possible to meet tomorrow’s standard already today

Less costs and higher engine reliability

UT99 oil mist separators protect sensitive components from contamination - your system functions more reliably, maintenance cycles are reduced and life cycle costs are lower.

More work safety - also on cruise ships

Oil mist separators reliably prevent lubricating films in the engine environment and thus contribute efficiently to a safe and clean working environment. The particularly high requirements for cleanliness on cruise ships are met. Our certifications by Germanischer Lloyd and RINA prove this.

Increased efficiency

Highly efficient UT99 oil mist filters in combination with closed crankcase ventilation (CCV), especially for gas engines, achieve a permanently increased efficiency. Combined heat and power plants in particular benefit from this technology.

UT99 brochure


Information on products and services of UT99 AG in compact format.


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