In the induction furnace there two crucible out of which only one crucible work at at time while other remain stand by however both the crucibles work alternatively and required fes system.

Now it is not economical to install hoods at both crucibles so a special designed duct swivel bearing is provided between both the crucibles which enable to install a single hood which can work for the crucibles alternatively

The bearing can be motorized or manual depends upon the requirement end user also the size of the same can be made as per duct size.