Chesterton 442M Mixer Split Seal

Split Seal that Accommodates Radial and Axial Shaft Motion for Industrial Mixers & Agitators


The Chesterton 442M split mechanical seal eliminates the need for equipment disassembly during seal installation and reduces maintenance costs. This split technology includes vacuum-to-positive pressure capability, which is especially beneficial in process vessel material transfer. It accommodates large radial and axial shaft motion associated with industrial mixers, agitators, reactors, and blenders.

  • Installation is made easy with patented, automatic centering
  • Uses many patented features allowing for easy and cost-effective field repair
  • The unique ball-and-socket O-Rings are the easiest to install and are leak-free without the use of adhesives
  • Available in sizes ranging from 20 mm to 610 mm (.75″ in.-24 in)

View the latest info and trending news at


Chesterton 442M Mixer Split Seal Brochure


Chesterton 442M Mixer Split Seal Installation Instructions