Hotfoil-EHS Industrial Heating, Welding, and Heat Treating Blog

A blog that provides educational information on electric heating systems used on hoppers, chutes, tanks and vessels; electric heating systems used for pre and post weld heat treating; heat treating power consoles; custom heat treating furnaces; and single & multi-operator welders. For more information, visit HotfoilEHS.com

Freeze Protection for Coal Handling Systems

Coal stored outdoors on the stockpile or delivered by unit train or barges picks up moisture from rain and snow. When this wet or frozen c...

Transformer Basics

Electric transformer (courtesy of Aftek EHS ) Transformers are composed of an iron core ring wrapped in coils. One coil is connected t...

HofoilEHS - Your Preferred Source for Pre and Post Weld Heat Treating

HotfoilEHS is a premier manufacturer of pre weld and post weld heat treating equipment. EHS manufactures and sells pre and post-weld heat tr...

Ceramic Heater Pads for Weld Preheating and Post Weld Heat Treating

Welding ceramic pad heater (courtesy of HotfoilEHS ) The goal of preheating and post weld (PWHT) heating is to maintain temperature bet...

Replacing the Print Head on AH4000 Recorder

AH400 Recorder The AH4000 multi-channel recorder is used on HotfoilEHS power consoles to monitor and record pre weld, soak, and post we...

10 Million BTU Burner for Custom Designed Heat Treating Furnace

Custom heat treating furnaces are designed for the tempering of metals. These furnaces can be electrically heated, or gas heated, depend...

Self Regulating Heating Cable

Self regulating heating cable Self-regulating heating cables automatically adjust their power output to compensate for temperature chan...

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