MECHANICAL SEALS AND SUPPORT SYSTEMS
API 682 Plan 52/53A
A system that supplies a pressurized liquid buffer fluid to a containment seal chamber. The buffer fluid is maintained at a pressure higher than the sealed process pressure but lower than the pressure limit of the containment seal. - Standard
ANSI LITE Plan 7352
A system that supplies a pressurized liquid buffer fluid to a containment seal chamber. The buffer fluid is maintained at a pressure higher than the sealed process pressure but lower than the pressure limit of the containment seal. - Standard
ANSI PLUS Plan 7352
A system that supplies a pressurized liquid buffer fluid to a containment seal chamber. The buffer fluid is maintained at a pressure higher than the sealed process pressure but lower than the pressure limit of the containment seal. - Premium