Klüber Klüberfluid C-F 5 Ultra


Klüber Klüberfluid C-F 5 Ultra Is a operational lubricant for large girth gear drives.


Benefits for your application

– Operational lubricant for large open girth gear drives incorporating immersion, circulation or spray lubrication systems
– For normal to low component and ambient temperatures
– Free from heavy metals, chlorine, solvents, bitumen and solids
– Easy application
– Optimum wear and tooth flank protection
– Low maintenance, lower disposal costs
– Light-coloured, transparent product


Klüberfluid C-F 5 ULTRA is a newly developed lubricant based on synthetic oils especially for use on medium-size to large girth gear drives. Klüberfluid C-F 5 ULTRA provides extremely good adhesion, resistance to high pressure and exceptional wear protection. It is suitable for use at component temperatures up to 110 °C.

Klüberfluid C-F 5 ULTRA is free from bitumen, solvents, heavy metals, chlorine and solid lubricants.

This product was especially developed with a view to lowtemperature applications.
Klüberfluid C-F 5 ULTRA corresponds to ANSI/AGMA 9005- E02 annex D-2.


Klüberfluid C-F 5 ULTRA can be applied by immersion, transfer paddle wheel, pressure fed circulation and total loss spray lubrication systems. It can be used with all gear sizes and power ratings. A peripheral speed of 8 m/s however should not be exceeded.

Such drives are mostly found in rotary kilns, tube mills, drums and similar machinery used in the cement, lime, gypsum, mining and chemical industries as well as in coal-fired power stations. Further applications are found in sugar and paper production as well as in the marine and offshore sector.

Application notes

When applied by immersion, Klüberfluid C-F 5 ULTRA is directly transferred onto the tooth flanks. The Klübermatic PA circulation lubrication system can also be employed to recirculate the lubricant under pressure onto the tooth flanks. Depending on the type of system, Klüberfluid C-F 5 ULTRA may also be applied via customary spray systems. The lubricant film on the tooth flanks can be made visible by using a UV lamp of at least 366 nm. The container should not be exposed to direct sunlight.


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