Immersion Heaters
Pipe Insert Immersion Heaters
Pipe Insert Immersion Heaters
In some applications, where it is necessary to eliminate the direct contact between tubular heaters and the liquid they intend to heat, pipe insert immersion heaters are utilized. These heaters require the installation of separate pipes inside container tanks. Convection and radiation heaters inserted in these pipes heat the walls of the pipes which in their turn transmit that heat to the liquid. This mode of heating is usually utilized inside large vessels for heating corrosive liquids, where it is not desirable to drain the vessel from its content when it becomes necessary to replace them.
Standard Features
Pipe insert immersion heaters are available with screw plugs or flanges. The standard screw plug is 2” NPT steel screw plug suitable for 2” schedule 80 pipes, while the standard flange utilized is 3” – 150 lbs steel flange suitable for 3” schedule 80 pipes. Other sizes and alloys are available.
In order to keep the watt density on the large tank immersion heaters sheath as low as possible, tanks could have multiple pipes and multiple pipe insert immersion heaters.
Thermocouples are optional features that could be supplied with these heaters. These thermocouples (usually “K” type) that will detect the sharp rise of the tube temperature when the level of liquid drops below the level of the pipe. In the case of multiple heater systems, it is usually sufficient to provide one of the heaters with a thermocouple and place this heater in a pipe that is at a higher level (recommended 6”min.) than the rest of the pipes.
It should be noted that thermocouples or thermostats should not be used as level indicators.
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- Applications
- Standard Products
Typical Heating Applications of PIPE INSERT IMMERSION HEATERS
- CORROSIVE LIQUIDS
- PAINT
- TAR
- MOLASSES
- ASPHALT
- GLUE
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For specifications, please check product catalogue
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How does a pipe insert immersion heater work?
Pipe heaters are not in direct contact with any solution. They are within a preset well that heats air or oil that then transfers into the application.
How much does a pipe insert immersion heater cost?
The cost of your project will depend on shape, size and materials.
Which pipe sizes are compatible with pipe insert immersion heaters?
We can build any custom thread, but we typically use standard Pipe sizes.
How do I choose the right wattage for a pipe insert immersion heater?
The wattage is calculated by Weight, temperature time and material.
