Need help? Contact us at (800) 443-8817

Home  > Motion & Manipulation > Motion > Rotary Motion Feedthroughs > Pneumatic


  • Adjustable 90º rotary motion
  • Pneumatic actuator
  • UHV or HV compatible materials
  • Welded bellows seal
  • Bakeable to 100ºC
  • Del-Sealº CF and Kwik-Flangeº port mounts
  • Solenoid air pressure to 100 PSIG maximum

MDC pneumatic rotary feedthroughs are designed for in-vacuum shutters and other light-duty two-position rotary motion applications. Feedthrough rotation has two adjustable stops. One adjusts the start position from 0º to 30º, and the other adjusts the finish position from 60º to 90º. One air control solenoid valve (120VAC 50/60Hz) is also included. Feedthroughs are available on Del-Seal™ CF metal seal flanges or ISO KF Kwik-Flange™ elastomer seal port mounts.

  Flange / Actuator body 304ss / Anodized aluminum
  Shaft seal / Piston seal  AM 350 welded bellows / Viton®
 Vacuum Range UHV: 1x10-11 Torr
HV: 1x10-8 Torr
 Temperature Range* UHV / HV  -20ºC to 100ºC
 Torque  50 oz-in max.
 * UHV units are bakeable to 230ºC with actuator removed
For conversion tables click here

For any question on this Section Ask Our Experts

Drawings download if available are indicated by in the Part Number column. Click on this icon to view all downloads.
Literature downloads (including manuals), if available, is indicated by in the Part Number column. Click on this icon to view all available product literature and to download a PDF copy.

This product references the following part numbers: 670050, 670051, 670052, 670053