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Push-Pull (FLML Series)

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.


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