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Differentially pumped direct drive rotary-linear motion feedthroughs are a basic and economical solution for vacuum applications requiring both rotary and linear motion. Their simple construction provides 11 Nm of manual rotational torque.

The rotary shaft is supported by two phosphor bronze bearings and uses dual Viton® elastomer shaft seals. The region between the seals can be differentially pumped through the 1/8" female pipe thread port provided and thus attain UHV compatibility to 1x10-9mbar. Feedthroughs are available on industry standard Conflat® compatible DN40CF metal seal flanges or ISO KF DN40 port mounts.

  • Continuous rotary motion and 203mm linear travel
  • Manual actuator
  • UHV or HV-compatible materials
  • Differentially pumped, Dual Viton® elastomer shaft seal
  • Bakeable to 100°C
  • CF and ISO KF port mounts
Direct-HV Series

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Flange/actuator body 304 Stainless steel
Shaft seal Viton®
Vacuum range UHV/HV 1x10-8mbar or 1x10-8mbar
Temperature range' UHV/HV -20°C to 100°C
Torque 11.3 Nm maximum
Axial load No lock to support weight 1.1 kg
Lateral load 2.3 kg@ 50mm extension maximum
Weight and dimensions See table

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