1. Standard strip insert inlay that makes it possible to easily use the coupling even for large pipe gaps and vacuum applications. In addition, shear strength of the coupling is increased.
2. Heavy-duty lock bars of extra-large diameter are employed. This considerably improves the coupling’s rigidity and the engagement of the bolts’ threads
3. The protection ring protects the sealing sleeve from e. g. UV-rays, flames etc. and enhances the bending stability of the coupling
4. A patented double-lip sealing system that provides double safety
