Double jacketed Gasket JIC 3840

These gaskets are composed of carefully selected cushion material such as Asbestos Millboard, Non Asbestos Millboard, Graphite Sheet and PTFE with external metal jacket of carbon steel, stainless steel,copper, 5Cr-0.5Mo alloy steel, etc. They are widely used on piping flanges, joints of machinery and heat exchangers because they can be fabricated not only to a regular round shape but also to other irregular shapes such as oval, rectangular, etc.With additional rib or rib to seal multi-pass heat exchangers.An increased demand has recently been seem for a special type having attached expanded graphite tapes on both sealingfaces to on crease salability.