Description

Shutter Action Rotary Feedthroughs

Thermionics manufactures a full line of metal-sealed rotary motion feedthroughs.  They are all metal, using welded bellows and stainless steel 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.

FRMC-133-25

• 1/4″ O.D. probe
• 1.33″ O.D. mounting flange
• Bellows sealed
• Maximum bakeout temperature: 200°C
• Mechanical torque limit: 150 oz-in
• This is a coarse positioning device

FRM-133-25/PNM

• 1/4″ O.D. probe
• 1.33″ O.D. mounting flange
• Bellows sealed
• Maximum bakeout temperature: 200°C (with air control valve removed)
• Torque limit: 150 oz-in
• 90° rotation
• 180° or 270° rotations available
• Adjustable stops available

Air Control Valve

• For model FRM-133-25/PNM
• Mounted to feedthrough
• Valve-to-rotary actuator plumbing installed
• Control voltage 24 VDC standard or per customer requirements
• With flow controls, both directions