Swivel Ring Flange

The swivel ring flanges adjust for bolt hole misalignment in the field via rotational adjustment of the bolt hole pattern on the flange ring relative to the spool piece.


  • 360° bolt hole rotation to align with mating flange holes for ease of bolt insertion
  • Removable Retainer Ring feature permits cleaning of ring groove prior to installation
  • Compliant design to ASME, Section VIII requirements
  • RTJ & RF seal faces available

Swivel Ring Flange Project Gallery