FERROFLUIDICS CORPORATION/ FERROTEC

53-107452D

VACUUM ROTARY FEEDTHROUGH

The 

Ferrofluidic 53-107452D

 (also identified by MPN 5390-54A107452) is a high-precision vacuum rotary feedthrough manufactured by Ferrotec. This device uses a specialized magnetic liquid to transmit rotational motion from the atmosphere into a vacuum chamber without compromising the hermetic seal. 

Key Specifications & Performance

• Sealing Technology: Uses a magnetic "liquid O-ring" for a true hermetic seal in both static and dynamic states.
• Vacuum Rating: Designed for high vacuum, typically achieving 
  

  $$
   Torr or better.
• Maintenance-Free Design: The fluid medium eliminates mechanical contact, offering a long lifespan with no maintenance required, save for bearing considerations.
• Pressure Capacity: Each internal stage generally handles a pressure differential of about 0.2 atmospheres (200 mbar).

Core Dimensions & Specifications

While specific "D" variants can have custom shaft lengths, the primary dimensions for this series on a standard 2.75" CF (ConFlat) flange are as follows:

• Flange OD (Outer Diameter): 2.73 inches (approx. 70 mm).
• Bolt Circle (PCD): 2.312 inches (58.7 mm).
• Bolt Holes: 6 holes, typically 0.265 inches in diameter.
• ID (Shaft Diameter): The "53" series often utilizes a 0.375 inch (3/8") solid shaft.
• Length:
  • Housing/Body Length: Typically ~2.06 to 2.56 inches.
  • Overall Length: Total length including the shaft extension is approximately 4.06 inches. 
    Ferrofluidic Seals +2

Technical Features

• Vacuum Rating: High vacuum, typically reaching 
  

  $$
   Torr or better.
• Leak Rate: Rated at 
  
  
   std. cc/sec (He).
• Material: Constructed with 300 series stainless steel housings and magnetic stainless steel shafts.
• Maintenance: No-wear liquid O-rings provide a long service life without traditional seal replacement.