Which is the best and most effective sealing technology for your pump or agitator application? Mechanical seals vs. pump packing? In the past companies or manufacturers didn’t want to switch to mechanical Shaft Seals because of the complicated installation and need to completely dismantle the equipment. The invention of cartridges and split mechanical seals effectively eliminated those dilemmas, but many operations have stayed with pump packing out of sheer habit in situations in which shaft seals would provide a better return. In this blog, we will make it clear for you. When Mechanical Seals Are the Clear-Cut Choice For many types of equipment, applications, or conditions, using a mechanical seal is really the only effective sealing option. This decision focuses on the safety or environmental issues associated with leakage. A mechanical seal, and more specifically a double mechanical seal, should always be used when the pumped fluid presents a safety, health, or environmental hazard