The MiniMag UHV Magnetic Rotary Feedthrough delivers compact, high-precision rotation in the most demanding ultra-high vacuum environments.
Key Specifications
- Flange: 1.33″ (DN16CF)
- Breakaway Torque: 40 oz-in (0.28 Nm)
- Maximum Continuous Rotation: 360° (unlimited turns)
- Shaft Diameter: 0.25″
- Bakeout Temperature: Up to 250°C (magnets in place)
- Materials: All UHV-compatible. Primarily 304/316 stainless steel construction
- Leak Rate: <1 × 10⁻¹¹ mbar·L/s (He)
The MiniMag provides smooth, backlash-free rotary motion through advanced magnetic coupling technology — no bellows, no dynamic seals, and zero risk of leaks or contamination.
Designed for space-constrained UHV systems, its ultra-compact footprint makes it ideal for sample rotation, shutter actuation, polarizer adjustment, or precision instrument positioning.
Actuation is exceptionally smooth and responsive, with zero mechanical hysteresis for reliable, repeatable performance.
An optional engraved dial offers precise manual angular control, while robust hard stops can be easily set to limit rotation range.
Built for longevity: years of trouble-free operation even under frequent cycling.
The entire unit is fully bakeable to 250°C without removing external magnets, simplifying system preparation and maintenance.