Push-Pull Linear Feedthroughs

Thermionics manufactures a full line of metal-sealed linear motion feedthroughs.  They are all metal, using welded bellows and stainless steel linear bearings.  All manual units are bakeable to 200°C fully assembled. Higher bakeouts may be used with partial disassembly.  These feedthroughs are also available with a number of custom options.

FLML-133-25-2-cleaned - Thumb

FLML-133-25 Series

  • 1/4" O.D. probe
  • 1.33" O.D. mounting flange (2.75"O.D. flange optional)
  • Up to 6" stroke
  • Coarse linear actuated
  • Stainless steel bellows sealed
  • Stainless steel linear shaft bearing
  • Adjustable position stop
  • Position lock
  • Maximum bakeout temperature: 200°C

FLML-275-50 Series

  • 1/2" O.D. support shaft
  • 2.75" O.D. mounting flange
  • Up to 15" stroke
  • Stainless steel bellows sealed
  • Adjustable position stop
  • Position lock
  • Linear bushings
  • Maximum bakeout temperature: 200°C

NOTE:  The support shaft (1/2" dia.) supports itself beyond the mounting flange. In horizontal operation, depending on stroke, extension and payload, some deflection may occur.


Call or email with your requirements and for current pricing.

800.962.2310 / sales@thermionics.com