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  • Process sterilizer / hot air
  • Process sterilizer / hot air
  • Process sterilizer / hot air
  • Process sterilizer / hot air


Article: 00007913

Process sterilizer / hot air

The filled baskets are introduced in the STERISTEAM MONOFAN.
During all the heating phase , a fan is running to mix and make circulating the air/steam

In some application, a pre heating through vertical heat-exchanger plate may be necessary.
Then the heating phase can begin.
It is realized by direct steam injection inside the vessel. The steam injection ramp is mounted under the baskets. The scattering is done between each basket.
The steam modulating valve opening is controlled by the MPI, till the programmed temperature is reached (121°C for example).

The condensates are stored in the lower part of the vessel.
Once the programmed holding time is finished, a pre-cooling starts. It is done by cold water injection inside the internal exchangers.

It is combined with the condensates / make-up cold water mixture by recirculation of the condensates through the by-pass loop (no contact of this mixture with the load).

Once the programmed temperature is reached, for instance 90°C, the final cooling begins with recycled water spraid on the load.

The recycled water is composed of steam condensates accumulated during the previous phases as well as make-up water.
The mixture is pumped at the lower level of the sterilizer, goes through the secondary circuit of an external heat exchanger and through an adjustable valve (3 positions). Then it goes back into the vessel on several spraying ramps installed above the load to be cooled down.


  • Laboratory/process: process
  • Sterilization method: hot air

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