Chesterton introduces new split seal with hydropower project applications

The A.W. Chesterton Company has introduced a new product designed to combine “superior seal performance” with the ease of installation of a cartridge split seal.

Called the Chesterton 442C, the new split seal is based on the design of its existing 442 platform.

The Massachusetts-based company said the 442C’s design simplifies installation and repair by using a standard spare parts kit, allowing the user to lower inventory costs, enhance operation flexibility and speed up equipment turnaround.

“The 442C uses an interlocking face design with a unique holder that self-aligns the face halves in the rotating assembly,” Chesterton said. “This ensures proper face alignment, which is critical to sealing success. Springs energize after installation, allowing for maximum space between seal faces during installation.”

The seals have been used on pumps and other rotating equipment with shaft sizes ranging from one inch to 30 inches, Chesterton said.

Chesterton will be exhibiting at HydroVision International 2014 in Booth No. 417.

HydroVision International, now in its 20th year, is the world’s largest hydro event. This year’s conference and exhibition takes place July 22-25 at Nashville’s Music City Center.

For more information about HydroVision International 2014, visit

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Michael Harris formerly was Editor for

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