Diffusion Pump Heaters
Our Diff-Therm® platen heaters are high-quality tubular heating elements swaged under 50 tons of pressure into grey iron castings. They set the standard for long-life, evenly distributed process heating and efficient power generation.
Pump Heater Types
Direct Replacement Heaters for Every Major Brand of Vacuum Diffusion Pump
- Cooke
- CVC
- Denton
- Edwards
- Leybold
- NRC
- Perkin Elmer
- Torr
- Varian
- Veeco
Complete Range of Sizes and Shapes
- For 2″ to 48″ pumps
- Over 100 combinations of electrical ratings and casting sizes
- Designed as direct replacements with OEM sizes, shapes and bolt patterns
- Custom heaters for obsolete or foreign pumps
- Replacement for cast-in heaters, tubular/crush plate heaters, and pancake-style heaters
Outperform Most Original Equipment Heaters
- Unique swaged assembly provides increased dielectric density for better heat transfer and longer heater life
- “Full Power” heaters that produce 20% more heat than OEM heaters
- Flat, smooth platen surface assures uniform, efficient heat transfer
- Increases pump throughput and higher vacuum system processing rates
One-Piece Assemble Simplifies Installation
- Simpler and faster to install than conventional/tubular/crush plate systems
- Proper alignment never a problem
Watt-Flex® Split-Sheath Cartridge Heaters Outperform Conventional Heaters
- Split-sheath design expands when energized for better heat transfer – especially in oversized bores
- Warranted removal – heater contracts when de-energized for easy removal
