Eaton Airflex Dual Passage Rotorseal

Palmer Johnson is an authorized distributor for the Eaton Airflex Dual Passage Rotorseals. The Eaton Airflex Dual Passage Rotorseals consists of the AD, ADP, BD, and FDA series. These dual passage rotorseals allow the transfer of media through two separate shaft passages located on the same shaft end. Each passage can be used for a different medium. An example would be oil for bearing lubrication in one passage and air for clutch actuation in a second passage.

Palmer Johnson is the go-to source for all of your Eaton Airflex Dual Passage Rotorseal needs including new applications, replacement rotorseals, parts support, and technical experts that can advise you on exactly what you’re needing to get the job done right. Contact us today!

Size/Model NumberPart Number
Eaton Airflex AD Rotorseal145785C
Eaton Airflex ADP Rotorseal145785B
Eaton Airflex BD Rotorseal145405T
145405U
Eaton Airflex FDA Rotorseal145583AJ

Contact Us

Eaton Airflex Dual Passage Rotorseal Product Features

Type AD

  • A 1/4"—18 inlet port services each of the passages
  • Optional 1/4"—18 outlet port in the mounting flange can be used for the outer passage
  • Both passage outlets can discharge directly into the shaft end
  • The inner passage nose is sealed on its outside diameter by a pair of "O" rings
  • The outer passage is sealed to the shaft end with a compression grommet


Type ADP

  • Attaches to the shaft end with a 1"—11-1/2 thread outlet instead of a mounting flange
  • TOuter passage outlet feeds into the end of the machine shaft
  • Inner passage is a 1/4"—18 port located on a flat of the hex mounting nut


Type BD

  • Similar to the Eaton Airflex Type AD but has a larger diameter mounting flange
  • The inner passage is sealed with a flat rubber washer, which compresses on the bottom of a counterbore in the shaft end
  • A Compression grommet between the shaft end and mounting flange seals the outer passage



Type FDA

  • Similar in design to the Eaton Airflex Type BD but has larger passages
  • Two inlet ports and two flange outlet ports for the outer passage are 1/2"—14
  • Compression grommets between the shaft end and mounting flange seal the inner and outer passages
Eaton Airflex Logo

Authorized Distributor

Palmer Johnson is an authorized distributor and service provider for Eaton Airflex products.

Genuine Parts

Thousands of parts ready to ship in as little as two hours from our store at shop.pjpower.com.
Shop In-Stock Parts

Service and Support

Seven master rebuild centers, nine full-service centers, and an extensive dealer network to serve you.