"live swivel" vacuum fittings

[britishmg]

Does anyone know of any manufacturers that make a "live swivel" vacuum fittings? What I mean by "live swivel" is that the fitting can swivel freely when under a vacuum.

 

[gerhardl]

...Short answer is yes, ....but size, connection type, pressure class (for pipeline ) number of turns per time unit, material fequirements, surrounding and temperature, and application (other use than vacuum /air) essential before advice can be given.

Google for rotary joints and see for instance

http://www2.maier-heidenheim.de/english/overviewrj.asp

http://www.kadantjohnson.com/

If theese are to large or not exactly what you are after, ask any outlet on advice for smaller.