API Plan 53 B & 53 C

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Bladder accumulator pressurize the buffer fluid and supplying clean liquid for an arrangement 3 pressurized dual seal.  

Required Media Characteristic-

  • Suspended solids

  • Polymerizing and contaminated media

  • Poor lubrication properties

  • Hazardous / environmentally harmful

  • Leakage may form solids

  • Close to vaporization point

  • Can tolerate dilution with barrier media

Feature –

  • Barrier fluid is pressurized by a bladder accumulator 

  • Heat is removed from the circulation system by an air-cooled or water-cooled heat exchanger.



Piston Cylinder pressurize the buffer fluid and supplying clean liquid for an arrangement 3 pressurized dual seal

Required Media Characteristic-

  • Suspended solids

  • Polymerizing and contaminated media

  • Poor lubrication properties

  • Hazardous / environmentally harmful

  • Leakage may form solids

  • Close to vaporization point

  • Can tolerate dilution with barrier media

Feature -

  • Barrier fluid is pressurized by a piston accumulator

  • Barrier fluid is circulated by an internal circulating device

  • Heat is removed from the circulation system by an air-cooled or water-cooled heat exchanger

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