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![Kuehlelemente_fuer_Einzel_Doppel_–_und_Vierfach-Ausschraubeinheiten](https://www.stavem.com/wp-content/uploads/Kuehlelemente_fuer_Einzel_Doppel_–_und_Vierfach-Ausschraubeinheiten.png)
> Servomold SDD rotary bushings are available in various sizes and designs.
> They consist of a rotating, screwed inner part with threaded core and a fixed outer part with cooling connections.
> Fixed outer part with cooling connections
> Rotating inner part with ceramic/graphite slip ring seal
> Fixed, integrated cooling hose