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Electric Tank Heaters

Electric Tank Heaters

Electric Tank Heaters are necessary for accurate control of liquid and gas temperatures in a variety of uses, including storage tanks, railroad tanks, and smaller tanks and basins. Heatrex has been designing and manufacturing heating systems since 1929 for a wide assortment of industrial, marine and commercial uses. We have a wide variety of electric…

The Importance of Normalizing

The Importance of Normalizing

Normalizing is a thermal process often associated with forgings. Why do we normalize? The following article answers just that question. Normalizing imparts both hardness and strength to iron and steel components. In addition, normalizing helps reduce internal stresses induced by such operations as forging, casting, machining, forming or welding. It also improves microstructural homogeneity and…

How to Calculate Heat Loss

How to Calculate Heat Loss

Have ever wondered how to calculate heat loss? This article, published in Process Heating, goes over the basic principles of heat transfer as well as the calculations that are used for pipes and vessels. Read more here. Figure 1 (below) depicts a sectional view of a typical pipe system. It consists of the pipe, insulation,…

Selecting Sheath Material, and Watt Density for Your Circulation Heater

Selecting Sheath Material, and Watt Density for Your Circulation Heater

It is important when selecting your circulation heater to choose the proper watt density and sheath material. If done correctly, selecting the right sheath material and watt density will provide your heater with a longer life and greater fluid integrity. Follow the guidelines below and use the information to help guide your decision making process. Watt…

Explosion-Proof vs. Explosion Resistance

Explosion-Proof vs. Explosion Resistance

Electric heaters are often used in operations such as coal mines, at oil and gas sites and in aircraft hangars. Because the potential for explosion exists in these locations, heating must consist of explosion-proof heaters or heating systems that are termed as being explosion resistant. What many wonder is what the difference between explosion-proof and…

What’s the Difference Between Strip Heaters and Space Heater

What’s the Difference Between Strip Heaters and Space Heater

There are so many different kinds of industrial heaters available for different applications.  At times it could be challenging understanding what heaters are suitable for certain industries.  Getting a concept of what heaters can accomplish for any industry’s needs is important.  Let’s go over the differences between a strip heater and a space heater. Strip…

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