Differentially Pumped Rotary Feedthroughs

Differentially pumped rotary feedthrough providing 360 degrees continuous rotation.

The Differentially Pumped Rotary Feedthrough provides 360° of continuous rotary freedom through the vacuum wall of a UHV system. The feedthrough has two stages of differential pumping isolated by graphite-impregnated, expanded viton seals on special sealing surfaces. A pre-loaded ball bearing set accurately controls the rotating stage position.

The Differentially Pumped Rotary Feedthrough can be combined with manipulators and any other precision positioning devices.

Additional information
The feedthroughs are available with worm drive fine adjust option, providing fine angle adjustment. They are also available with an anti-backlash stepper motor.


Differentially Pumped Rotary FeedthroughDifferentially Pumped Rotary Feedthrough Schematic
Differentially Pumped Rotary Feedthrough
Differentially Pumped Rotary Feedthrough Schematic


base flange options
DN40CF, DN63CF, DN100CF, DN160CF, DN200CF
operating temperature
-20 to +60 degC
bakeout temperature
150 degC
position control
handwheel or stepper motor
resolution0.005 degrees (optically controlled)

Details of our full range of vacuum manipulation solutions are available for downloaded here;;icon UHV Manipulators

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