Discover our patented Watt-Flex® Split-Sheath Cartridge Heaters Learn more

The Leaders In Cartridge Heater Technology


Process Heat Precisely Delivered

Watt-Flex® Split-Sheath Cartridge Heaters run more efficiently, use less power and last up to 5 times longer than conventional cartridge heaters.

  • Prevent Bore Seizures
  • Eliminate Uneven Heat
  • Increase Efficiency and Production
  • Reduce Downtime and Maintenance
  • Reduce the Cost of Process Heating
Dalton Diff-Therm Platen Heater


The high-quality tubular heating elements swaged under 50 tons of pressure into grey iron castings have set the standard for long life, evenly distributed process heating, and efficient power generation.

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The Dalton Difference

Dalton Electric’s Watt-Flex cartridge heaters are the most advanced and efficient cartridge heaters on the market. Their unique split-sheath design and highly specialized manufacturing techniques deliver superior heat transfer, longer heater life, and reduced bore seizure, resulting in a total cost of ownership that is up to 40% lower than conventional cartridge heaters.

Patented Split-Sheath Design for Superior Heat Transfer

Reduced Bore Seizure for Lower Maintenance Costs

Continuous Coil for Even Heat

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Prevent Bore Seizure

Eliminate Uneven Heat

Reduce Cost of Heating

Latest News

Dive into the Hottest Trends in Process Heating with Dalton Electric Heating for updates and new insightful information keeping up to date with news and events.

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August 15, 2021

First principle of selling?

Excerpts from Elon Musk, on First Principles Interview

In this interview, Musk explains how to use the concept of first principles to make decisions. “You boil things down to the most fundamental truth… Continue

August 15, 2021

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