Ring joint gaskets are solid metal gasket that is highly polised and softer than the flange material. The gasket is actually 'crushed' into flange (coining & intimate contact), creating a seal by
ring type joint gaskets Api 6A RTJ gaskets Sunwell seals
Types of Ring Type Joint (RTJ) Gaskets
Ring-Joints (RTJ) | KLINGER A.W. Schultze
What is a Gasket? Types of Gaskets Used in Piping
Ring Joint Gaskets - Diyak Ltd (UK)
Metallic Ring Joint Gaskets for Pipe Flanges » The Piping Engineering World
Metal and Metallic Ring Joint Gasket Used in Flange, Valve, Pipeline - China Ring Joint Gasket and Flange Joint Ring
Oval, R-Type Ring Joint Gasket | Phelps Industrial Products