Function of Seals
Oil Seal performs the function of sealing oils, greases and other types of lubricating fluids that are essential to keep the moving parts cool by absorbing the frictional heat generated. It also prevents the entry of any foreign matter or impurities such as dirt, sand particles, dust etc.
Employed in a varied array of uses, they are present in our daily lives from automobiles to farming machines, even home appliances, aircrafts, industrial machines, earthmoving equipments etc.
Seal Life
Since the seal must function as a slider or friction bearing, the seal has an unpredictable life span. The seal of a centrifugal pump is usually replaced many times during the life of a pump. All bearing need lubricant and the seal lubricant is the liquid being pumped. Liquid infiltrates between the contact faces of the primary and mating rings. Some of this liquid does find its way through to the atmosphere but is so slight as to only be noticed as corrosion of 'build up' on the pump adapter. The condition of the pumped liquid will greatly affect seal life.