Features DMTflex Teflon expansion joint are used primarily in fluid conducting systems as resilient connections and tremor barriers. They are designed to compensate for mis-alignment, to absorb expansion and contraction and to isolate vibration and shock. They are also frequently used to reduce stress on fragile mating flange. Application Air conditioning, heating and ventilating systems in industrial buildings, hospitals, hotels and on board ships central and ancillary power generating stations in industrial building, factories, ships and off-shore sewage disposal and water treatment plant, pumps, etc. Process piping in pulp and paper manufacture. Operating temperature range 40 Degree Centigrade up to 220 Degree Centigrade