Why Do Heaters Fail?

Heating elements for industrial applications are essential components for various types of heating systems in different industries. By using heating elements, you can produce heating systems that carry out the desired function. At Nexthermal, other than Elstein heaters, the heaters we offer are almost completely conductive. They transfer heat, rather than store heat. In order to carry out its function properly, a heater must be in contact with a thermal mass. We offer exceptionally efficient heating elements that meet the needs of your industrial applications.

Without dealing with the specific design issues that result in premature heater failure, the heater will almost certainly exhibit one of the types of failure mentioned below. The ability to design a heater that meets the needs of a specific application is the difference between having a great heater and an average or subpar heater.

The main reasons for conductive heater failure include:

  • Fit issues – poor fit (or contact) with the thermal mass. When the heater’s internal temperature rises higher than the rated temperature of the Nichrome wire, the wire becomes brittle, breaks, and the circuit of the heater will open.
  • Movement issues – Lead movement causes cold working of the conductor, resulting in breakage.
  • Moisture issues – Water ingress decreases the heater’s dialectic strength, causing a short. A washdown application or humidity can cause moisture.
  • Contamination issues – as a foreign substance enters the heater and comes into the MgO, it may attach to the nichrome wire, leading to a short in the heater.

Whether the issues causing heater failure involves fit, movement, moisture, contamination, or a combination of these, the issue can be solved through the help of our team at Nexthermal. We can properly diagnose the issue and provide the needed solution.

If you are going to discuss premature heater failure issues in a certain type of application with which you are not familiar, it is best to have an engineer included on the call.

We invite you to find out what our team at Nexthermal can do to manufacture a heater that is an ideal match for your application and performance goals.

To learn about the various industrial heaters we offer at Nexthermal, call us today at 269.964.0271 or reach us by email at sales@nexthermal.com.

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