Dry Running Secondary Mechanical Seal
Dry Running Secondary Mechanical Seal
(OP)
When is dual unpressurized seal with dry running the secondary used?
My situation:
I have a pump for sour water service where a dual unpressurized cartridge with dry running secondary is used. I'm trying to prevent h2s from being released in case of a seal leak. I'm not sure whether dry runnign the secondary is enough containment or whether i should just switch to a plan 53.
My situation:
I have a pump for sour water service where a dual unpressurized cartridge with dry running secondary is used. I'm trying to prevent h2s from being released in case of a seal leak. I'm not sure whether dry runnign the secondary is enough containment or whether i should just switch to a plan 53.





RE: Dry Running Secondary Mechanical Seal
For a new pump in this service, we would default to a Plan 53, pressurized double seal to reduce the risk of H2S exposure for our personnel.
Johnny Pellin