Chesterton 442 Split Seal

High-Performance Seals Available in Large Diameters


The Chesterton 442 split seal is ideal for equipment that is difficult and time-consuming to disassemble, such as large pumps, vertical pumps, and horizontal split case pumps. This proven, compact design can be used in a wide variety of equipment and process fluids.

The patented, high-performance split technology allows the 442 to operate from vacuum to high pressures.

  • Compact design allows for easy installation and a fit advantage on most equipment
  • Split, low-cost repair kits reduce ongoing maintenance costs even further
  • Designed with the installer in mind, the ball-and-socket O-Rings provide a quick and easy leak-free seal without the use of adhesives
  • Captive screws cannot fall out, making installation straightforward and reliable

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PDS Chesterton 442 Split Seal Brochure


PDS Chesterton 442 Split Seal Data Sheet