HEATING & COOLING COILS

Heating & cooling coils have been used for years to regulate the temperature of a process bath. These coils utilize a hot fluid for heating and cold fluid for cooling. Just as with electric immersion heaters, coils are manufactured in a variety of sizes and styles depending on size of your tank or the application it is being used in. Numerous materials of construction are available depending on the chemistry being heated.

Control systems for heating & cooling coils utilize an in-tank thermocouple to detect the temperature and a thermostat to regulate the temperature. The control systems open and close solenoid valves controlling the flow or either heating or cooling fluid. These control systems can visually display the temperature or have a lighted LED to indicate when the tank heater is on. Digital or analog meters are available when the temperature is to be displayed.

The styles of the coils vary from plate, serpentine, grid, or spaghetti coils. The most common materials of construction are mild steel, stainless steel, titanium and Teflon. Exotic metals are also available for unique applications.

The most common methods for providing heat through immersion coils, are steam and hot water. For cooling applications, cold water or a chilled source of cold water are used.

For extremely corrosive solutions, Teflon is often used. Teflon is an inert material that will withstand strong acidic solutions and other strong corrosive and oxidizers

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