Immersion Heaters for heavy weight oils
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Incoloy-sheath, 1.2 Watt/cm²
Immersion heaters are designed for direct contact with water, solvents, oils, process solutions and gases. Immersion heaters are mounted sideways into the vessel, preferably close to the bottom.
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Description
Since the elements are fully immersed, virtually 100% energy efficiency is achieved. Special elements are available for heating of corrosive solutions, highly viscous oils, high pressure or hazardous areas.
Typically a number of U-shaped heating rods are welded to a threaded boss or a flang. The terminations are usually covered by a termination housing.
Design criteria:
Medium:
Oil, sugar based liquids and other solutions may degrade if subjected to a high element temperature. This can also lead to carbon build-up on the element, hindering heat transfer and eventually causing element failure. For these liquids a low watts density is advosable.
Flammable substances:
Fuels, oil and generally combustible substances must be heated with care. The element temperature and the operating temperature of the system must be maintained below the flashpoint to prevent fire or explosion. Ex-rated elements are therefore specially designed and equipped with a thermostat to limit element temperature. In addition, approved temperature- and pressure control equipment must be used.
Technical Data
| Immersion length | 810mm | 1200mm |
| Rating (Watts) | 3x500 | 3x750 |
| Power supply (Volt) | 230/400 3ph | |
| Fitting | 2"Brass | |
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