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API Plan 71

Tapped connections for the purchaser’s use in the future for buffer gas applications.

API Plan 71

Application Notes

  • Used on Arrangement 2 seals, where the potential for use of a buffer gas system in the future is desired, even though no buffer gas system is provided at the time.
  • All seal ports should be connected to piping or metallic plugs must be used if a seal is to be put into service.
  • Ensure vent port is oriented to the 12 o’clock position and the drain is oriented to the 6 o’clock position.
  • May be modified as needed into several other plans such as Plan 72, 75, and 76.

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