Kammprofile gasket of this type is manufactured without a guide ring it is comprised of a core metal of any specification as required with concentric grooves on both sides that covered with Graphite or Expanded PTFE. It is typically used in heat exchanger applications and applied as an upgrade to double jacketed gaskets or Exchanger spiral wound gaskets especially when lower load is needed. When partition required same shall be attached with inner diameter of grooved ring.