SUNPASS Double Jacket Gasket with soft pliable core, surrounded by a metal jacket that totally or partially encloses the filler material. Partition bars can be incorporated , integrally or welded into the gasket. SUNPASS Double Jacket Gasket are completely enclosed by a two piece metal jacket covering OD, ID and both sealing surfaces. Widely used in heat exchanger applications and suitable for corrosive and high temperature service. Internal ribs (pass partition bars) can be integral or welded welded as in both types, the primary seal is safely maintained.