non-metal-gasket
Eyelet of gaskets are additional reinforcement place on edge to decrease penetrating gasket material by media and increase chemical resistance of connection. Eyelet can also provide good safety barrier from erosion of abrasive media. But eyelet not increase extremely resistant for temperature and internal pressure which should be analysed additionally.
The sealing insert is made of corrugated stainless steel, soft non- asbestos material, or rubber and different combinations. This insert is coated with PTFE and open on one side, usually on the outside.
