A stainless steel process tanks is a very broad formulation of the largest group of stainless steel tanks and vessels. The group covers areas such as mixing-, maturation-, fermentation-, tapping- or perhaps more general process tanks, that can be included in a process line.

Process Tanks

Process tanks are available in sizes from 50L to about 40.000L, and are characterized by being placed indoors. The tanks can be manufactured with a thermojacket on the bottom and shell for heating or cooling the product in the tank. The thermojacket can be manufactured to tolerate various pressure of the cooling or heating medium used.


Process Tanks are produced both with and without insulation. What proportion of the tank which must be isolated, depends on the requirements for product temperature and aspects of work.

Process tanks are often constructed with a conical bottom and are supplied with triangular cone legs, round legs or suspended in brackets. Stainless steel process tanks require that there is always free vent to the atmosphere, so ventilation is usually placed at the top of the tank.


The air vent must be designed properly for the possibility of vacuum and productionprocess. Here it is especially the CIP program, which can pose challenges. The tank should then be able to access the required amount of air in a relatively short time, to minimize the risk of damage to the tank.

Should be able to withstand the design pressure

Under the legislation, the tank is defined as unpressurized, as long as the pressure does not exceed 0.5 bar g. Non-pressure tanks can have a vacuum of -1 bar g and 0.5 bar g pressure, without requiring any authentication. However, the tank is able to withstand the design pressure and the components must be selected according to the desired design requirements.

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stainless steel process tanks can be equipped  with:
  • Access Cover
  • Ventilation
  • Sample point
  • Sight glass, with or without light
  • Connecting all kinds of sensors and signal generators.
  • CIP equipment
  • Mixers, located at the top, on the side or at the bottom e.g. bottom-mounted magnetic agitator