PA 53B Pump Seal Support Systems | John Crane

PA 53B

Accumulator-based System

53B accumulator-based seal support systems utilize a bladder to maintain system pressure to pressurized dual seals and absorb barrier fluid thermal expansion while separating the pressurizing gas and barrier fluid. A range of heat exchangers can be packaged with the system, selection dependent on available plant utilities.



  • California Residents: PROPOSITION 65 WARNING
  • Designed in accordance with API 682 4th Edition
  • Standard tubing or welded pipe construction and optional flanged connections
  • Options available to meet project design and certification requirements
  • Pressure transmitters or switches

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