Advanced metal sealing solution for Triple-Offset butterf ly valves

Author: Laurent GUIMET | Engineering Team Leader - Jean-Jacques DARQUE | Key Account Manager Flow Control

Company: Technetics

Type of butterfly valves (DOBV vs. TOBV)
Main sealing technologies for TOBV
Lamellar seal principle
Concept weaknesses
How to reduce leak paths with lamellar seals?
Design optimization:
Lab test examples & results