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Testing Site Alert

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Rotary Motion Feedthroughs

Rotary feedthrough on 2.75" CF flange Show Bellows Sealed Shaft for Rotary feedthrough on 2.75" CF flange
Bellows Sealed Shaft
Elastomer feedthrough on 1.33" CF flange Show Elastomer Sealed Shaft for Elastomer feedthrough on 1.33" CF flange
Elastomer Sealed Shaft
Ultrahigh Ultra High In-Vacuum UHV HV Rotary Feedthroughs, drawing

Vacuum Rotary Feedthroughs

Accu-Glass Products' high-torque HTR series rotary motion feedthroughs are designed to operate at temperatures as high as 250°C and rotational torque up to 250 in-oz.

They are constructed of black-anodized aluminum and stainless steel, where only stainless steel surfaces are exposed to the vacuum environment.

In-vacuum bearings are dry-lubricated with tungsten-disulfide, while air side bearings are lubricated with high-temperature Krytox® lubricant.  The rotation shaft is sealed with an AM-350 edge-welded bellows.

Feedthrough rotation can be monitored via a 360° / 5° increment laser-etched scale found on the manual actuator knob.  Rotary feedthroughs are available on Conflat® style CF metal seal or ISO-KF style elastomer seal flanges.

Stepper motor and Pneumatic Actuator options are also available via the links below.