Chesterton

Chesterton, the world leader in split seal technology, has the largest installed base globally.  Our broad experience in split sealing enables a wide array of uses to improve plant efficiencies.  Today, with years of proven performance, Chesterton split seals are used in more types of equipment, sealing more types of process materials.

 

The 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 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 leak-free, without the use of adhesives. Available in sizes ranging from .75”/20mm to 24”/610mm.