BioSealer®

Seals that are permanently leak-free.

The BioSealer® is a fully automatic device for establishing permanent, leak-free weld seams on thermoplastic tubes.

Application area
The BioSealer® is used for thermal sealing of tubes used on disposable bag systems within biopharmaceutical production processes. The BioSealer® makes the sterile disconnection of individual bags or bag systems in a non-sterile environment possible.


Functional principle
The inserted empty or liquid-filled tube is pressed between two ceramic heating elements and heated. The liquid is emptied from the internal tube section and a homogeneous weld seam is created using heat and pressure. This seam can be cut in the centre with a sharp knife.