Flender H2 series gearboxes are an industrial workhorse, found on oil refineries, drilling platforms, chemical plants and paper mills. Most companies run them to failure, which often times is an impressive 10+ year run before a repair is needed. Their one weakness is the lip seals that are installed. Oil seals are able to contain forced lubrication systems or oil bath lubrication environments. They do however wear out in about 6-8 months on continuous use. On top of that, the lip seal wears a grove into the shaft, making it necessary to either refurbish the shaft or get a new one when it's time to repair. Regular labyrinth isolators don't scar the shaft but perform poorly in forced lube systems or flooded environments.
Isomag magnetic bearing isolators are the best of both worlds. Isomag magnetic face isolators are a positive seal that wont damage the shafts of your gearbox, and work in horizontal or vertical up or down positions for the right angle gearboxes. Isomag bearing isolators also work perfectly in grease lubrication environments. Isomag magnetic bearing isolators have been installed in this Flender H2SH parallel shaft speed reducer since 2009, and is still operating leak free today.
A brochure for Isomag bearing isolators for gearboxes can be found here. Also as a reminder, Isomag bearing isolators can be custom made to fit your machine. Contact our customer service team and we will help you find the ideal solution for your needs.