The following is about double jacket gasket, I hope to help you better understand double jacket gasket.You can buy various quality double jacket gaskets from Kaxite Sealing.
IX Seal Rings are designed for use in compact flange connections in accordance with NORSOK standard.
HX seal rings work equally well both directions and is therfore the best choice when also large external pressures can occur (Recommended for subsea use).A robust seal used in the most demanding applications.No practical limit for pressure that can be taken.
Double jacket gasket comprise of a thin metallic outer shell enclosing a resilient filler material. The gaskets metal case protects the resilient filler and is resistant to pressure, temperature and corrosion.