THIS VIDEO IS ABOUT PUMP SEAL PLAN 52
What
Unpressurized buffer fluid circulation through reservoir.
Fluid is circulated by a pumping ring in the dual seal assembly.
Why
Outboard seal acts as a safety backup
to the primary seal.
Zero to very low process emissions.
No process contamination is allowed.
Where
Used with dual unpressurized seals.
High vapor pressure fluids, light
hydrocarbons.
Hazardous/toxic fluids.
Heat transfer fluids.
