Electrical heating elements for liquid heating are used on various applications and processes in the industry.
From the part of the industry heating of oil is the most common application in the field of liquid heating. Every type of oil has specific properties which have to be considered when choosing the temperatures driven and consequently the maxium surface load and heating times.
As an example, we use tank heaters and cartridge heaters for pre-heating hydraulic oil and oil tanks. Other applications are heating of lubriating oil supply systems, for example for gearboxes.