A liquid-lubricated seal may have no visible leakage.
Mechanical Seals
There has been an effort to upgrade pumps originally designed for packing to accommodate mechanical seals.
Fluid Sealing Association has more than 230 files on mechanical seals and more
Magnetic couplings and wet rotors are key features contributing to the technology.
Consider mechanical seals, gland packed seals and lip seals.
Defining how a mechanical seal will be used and its environment is critical for optimal operation and life.
Methods for pressurized seal systems
Problematic tasks can require improved performance in extreme operating conditions.