Dalton Electric
Since 1921, Dalton Electric has been a leader in industrial
process heating.
Dalton heaters are used for industrial process heat applications
in automotive, aerospace, plastics, adhesives, semiconductors and
many other industries throughout the world. Products include the
Watt-Flex® split-sheath cartridge heater and immersion heater,
Diff-Therm® platen heaters for vacuum diffusion pumps, related
high-temperature accessories and heater modifications.
Diff-Therm® Vacuum Diffusion Pump Heaters
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Replacement Heaters for Every Major Brand of Vacuum Diffusion
Pump |

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- NRC
- Perkin Elmer
- Torr
- Varian
- Veeco
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| Diff-Therm Platen Heaters are high-quality tubular
heating elements swaged under 50 tons of pressure into grey iron
castings. For 25 years, Diff-Therm heaters have set the standard
for long-life, evenly distributed process heating and efficient
power generation. |
Complete Range of Pump Heater
Shapes and Sizes  |
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Over 100 combinations of
electrical ratings and casting sizes from 2" to 48".
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Sizes, shapes and bolt
patterns designed to fit OEM pumps.
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Custom castings and electrical
ratings available
for obsolete or foreign-made pumps.
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Effective replacement for
cast-in heaters, tubular /crush plate heaters, and pancake-style
heaters.
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Outperform Original Equipment
Heaters
Unique swaged assembly provides
increased dielectric density for better heat
transfer and longer heater life.
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One-Piece Assembly Simplifies
Installation
- Simpler and faster to install than conventional tubular/ crush
plate systems
- Proper alignment never a problem
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| Watt-Flex
Split-Sheath Cartridge Heaters Outperform Conventional
Heaters |

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- Split-sheath design expands when energized for better heat
transfer - especially in oversized bores.
- Warranted removal - heater contracts when de-energized for easy
removal.
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Note: Diff-Therm and Watt-Flex are registered trademarks of
Dalton Electric Heating Co. Inc.
View Products by Dalton Electric