





Oil Mist Separators made by FRANKE-Filter guarantuee
residual oil of 1-5mg/m³ while ensuring constant underpressure


Take advantage of our solution which delivers precisely adjustable vacuum at up to four bearings
with only one Oil Mist Separator.


Oil Mist Eliminators from FRANKE-Filter guarantee a maintenance-free operation of up to 30,000 operating hours

Since more than 30 years we have been developing, engineering and manufacturing Oil Mist Eliminators that are individually tailored to each application.

Original spare parts from FRANKE-Filter stand for
durability and high efficiency of 99.99%
at a particle size of 0.1 µm
Welcome to FRANKE-Filter Your expert for filtration of oil mist at rotating machines
Being both the designer and a specialised manufacturer of Oil Mist Separators FRANKE-Filter has gained valuable experience for more than 30 years through personal customer contact for all conceivable applications concerning separation of oil mist. With our filters, you do not only protect your rotating equipment but also the environment.
- Environmental protection
- Inhouse CAD department
- Modern surface treatment
- Taylored manufacturing
- Customer-specific solutions
- Quality made in Germany




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Oil Mist Separators for Gas Turbines
Filtration efficiency of 99.99% Due to our especially-developed microfibre filter cartridges, FRANKE-Filter Oil Mist Separators are maintenance-free for up to 30,000 operating hours. This corresponds to trouble-free and maintenance-free operation of 2-5 years, depending on your turbine. Furthermore, our filter […]
Oil Mist Eliminators for Steam Turbines
Oil Mist Eliminators for steam turbines are designed to prevent leakage of oil mist. By suctioning and filtering moisture and contamination particles from your lube oil system, Oil Mist Eliminators ensure a smooth operation of your turbine. Plus, the filtered […]
Oil Mist Separators for Hydro Turbines
For hydro turbines, it is crucial that the vacuum can be individually adjusted at each bearing (turbine, guide bearing, generator) so that the oil mist can be extracted locally. In order to meet the little space available in hydropower plants […]
Oil Mist Separators for gas and diesel engines
Oil Mist Eliminators for gas and diesel engines maintain a constant vacuum in the crankshaft housing. Due to fluctuations in the crankshaft housing, your Oil Mist Eliminator is equipped with a frequency converter. The pressure transducer records pressure and transmits […]
Oil Mist Separators for compressors and vacuum pumps
One of the challenges at compressors is the reliable filtration of oil mist. Due to the high pressure impact the lube oil is likely to escape at several spots. Oil Mist Separators for compressors and vacuum pumps The ecological solution […]
Microfibre Filter Cartridges for Oil Mist Separators
The microfibre filter elements developed by FRANKE-Filter are responsible for the precise filtration process. Due to their special nature, they guarantee a high filtration efficiency of 99.99% at 0.1 µm for oil mist. Further, the filter cartridges grant a smooth […]

- Exact adjustment of vacuum in the lube oil system
- Filtration efficiency of 99.99% at a particle size of 0.1 µm
- Up to 30,000 hours and more of continuous operation
- Less than 5 mg/m³ of residual oil in exhaust air after filtration
State-of-the-art fertilizer complex in Mexico gets equipped with FRANKE-Filter oil mist separators
FRANKE-Filter at vgbe conference “Maintenance in power plants 2025” 05-06 March in Magdeburg
FRANKE-Filter Health day
FRANKE-Filter at vgbe conference “Steam Turbines and Steam Turbine Operation” on 28 and 29 May 2024 in Würzburg
Visit from our partner Schmachtl in Austria
FRANKE-Filter at the PTK in Oslo from 05.03. to 07.03.2024
vgbe energy workshop “Lubricating oils in energy and industrial plants” on 7 and 8 November in Hildesheim visited FRANKE-Filter
Introducing Job Bikes: E-Bike Leasing for Employees!
FRANKE-Filter exhibits at Hydro 2023 in Edinburgh
FRANKE-Filter is qualifying its employees
Power plant Vianden upgrades Oil Mist Separators
The pumped-storage power plant Vianden in Luxemburg consists of eleven turbine units. With a capacity of 1,300 MW it is one of the largest of its kind in Europe. Since the commissioning in 1964 the operator SEO (Société électrique de […]
Manufacturer of industrial gases equips with FRANKE-Filter
After several problems with the previous extraction of oil mist on the lube oil tank of the DEMAG compressor, the customer decided to go with a high efficient Oil Mist Separator from FRANKE-Filter. “The customer is very satisfied with the […]
Nuclear Power Plant equipped with FF2-777 Oil Mist Separator
As part of a major life extension program, FRANKE-Filter has provided a first-class engineering solution to the on-running oil mist problems of a large nuclear power plant. With a number of issues such as low levels of vacuum in the […]