Chesterton 442C Cartidge Split Mechanical Seal



The Chesterton 442C™ Cartridge Split Seal combines superior seal performance with the ease of installation of a cartridge seal. Our patented split seal technology addresses the inherent limitations found in conventional cartridge split seal designs by minimizing installation complications and excessive leakage. As with all split seal options, it offers easy installation and replacement without the need for teardowns.

The 442C design also offers maximum installation flexibility with its short axial length and flexible gland positioning. It simplifies split mechanical seal repair by using a standard spare parts kit, enabling you to lower your inventory costs to maintain operations.


  • Simple cartridge installation—without equip​ment disassembly​​
  • Innovative design with superior performance
  • Fits the majority of rotating equipment
  • Easy field repair
  • Certified to NSF/ANSI 61​