Seal are factory assembled & dynamically tasted cartridge units for steel, glass lined, ss mixers, agitators & vessels. These are used with non-pressurized barrier fluid preferably clean soft water because of its good heat transfer qualities. Fluids like oil, hydrocarbon, solvents etc. can also be used as buffer fluid by considering the corrosion resistance of wetted parts & compatibility with main media to be sealed. These seals are supplied with cooling water jacket, which ensure cool running of seals.