Metal jacketed gasket is one type of gaskets especially designed for heat exchangers service.These gaskets are manufactured with single or double matal jacket,filled with a soft material(normally graphite).Thus,they could be made with any combination of metallic and non metallic materials,according to the standard shape or any shape in accordance to the customer needs,and also according to the operating conditions and working fluid,including carbon steel,stainless steel,copper,nickel,aluminum,etc.