These seals are synthetic with the aid of using complete automated assembling traces at our worldwide manufacturing sites and have an excessive marketplace proportion international, particularly withinside the class of seals for automobile water pumps. These seals also are appropriate for Industrial pumps. Because mechanical seal failures are the primary motive of pump downtime, making use of the simplest pinnacle of the road substances in terms of production of these essential seals, maximum pump shafts have been sealed with the use of jewelry of smooth packing, compressed with the aid of using a packing gland, however, this sort of shaft seal required a truthful quantity of leakage Just to lubricate the packing and preserve it cool.