Author: Antim Parikh, Applications Engineer Level III, A.W. Chesterton Company
Many factors come into play when a mechanical seal is installed onto a rotating shaft. A major consideration is the equipment condition, which includes the amount of shaft movement when rotating and/or condition of the stuffing box face. Mechanical seals are designed with assumptions regarding the amount of motion the devices can be expected to withstand and still provide no visible leakage during operation.
Read the 3 basic rules regarding mechanical seals and shaft movement.
