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Metal jacketed gaskets are semi-metallic gaskets in which a non-metallic filler is jacketed with sheet metal to produce a seal of exceptional strength. The soft filler allows for better compressibility as compared to a pure metallic gaskets. This makes for better sealability on irregular flange surfaces. The application temperature is limited by the filler material and the metal´s endurance. There is a minimum lap width whch must be taken into consideration when relatively small diameters or radii are required.
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