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API Plan 13 Flush from Chamber to Suction

API Plan 13 recirculates flow from the seal chamber to the suction side of the pump. This plan is common for vertical pumps.

Plan 13 
API Plan 13
Kit components shown solid and include some optional components.

This plan:

  • Removes heat and flushes particulate from the seal chamber
  • Allows the seal chamber to be self-venting when used with horizontal pumps

Plan 13 is available as a kit of components ready for field assembly. Kit contents may include:

  • Swagelok tube fittings
  • Flange adapters
  • Pipe fittings
  • V series 2-valve manifold
  • Bimetal thermometer
  • TTW series thermowell tee
  • PGI series gauges
  • Tubing
  • Pressure transmitter
  • Pipe nipple

See page 15 of the Mechanical Seal Support Systems Application Guide for additional details and ordering information. Contact your authorized Swagelok sales and service center for information on optional components.

Contact your Authorized Sales and Service Center Back to Process Side Plans