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 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.