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In certain environments, such as a cement plant, a tile factory or an aggregate plant, this problem is exacerbated by the large amount of dust in suspension that ends up mixing with the bearing and bearing lubricant. In these environments, the large amount of dust in suspension ends up mixing with the lubricant in the bearings. The result of this combination? An abrasive slurry that ends up damaging the seal, resulting in lubricant leakage and equipment failure.
In contrast to conventional contact seals, the Air Mizer labyrinth seals® of INPRO/SEAL are fully articulated to absorb radial eccentricity, axial movement and angular misalignment simultaneously.
In more demanding environments, the labyrinth itself prevents the ingress of “usual” contaminating particles. In addition, Air Mizer® achieves more effective protection by injecting a pressurized air stream perpendicularly impinging on the shaft, generating a “barrier fluid”. In this regard, it is worth mentioning that, if required by the application, the compressed air can be replaced by nitrogen or another inert gas.
The following video shows the operation of Air Mizer labyrinth seals®. In just over a minute, it summarizes very well the features of this manufacturer's solution. Inpro/Seal.
The Air Mizer labyrinth joint® can be installed in engines, hammer mills, jaw mills, rolling mills, shredders, disintegrators, dredgers, mixers, kneaders, extruders, gearboxes, agitators, mixers and conveying propellers, among other equipment.
Do not hesitate to contact us if you need more details or technical specifications about these labyrinth seals for oil seals.