PureFlex Pump Connectors

PureFlex Pump ConnectorsBlueLine flexible couplings, expansion joints and bellows are specifically designed to compensate for vibration, pipe expansion and misalignment in process piping and vessels. All BlueLine products are constructed from uniform-walled isostatically molded PTFE and demonstrate a high level of design consistency throughout the product line.


  • Reliable protection for fragile FRP, carbon of glass equipment and nozzles.
  • Superior corrosion resistance in acidic and caustic environments.
  • Heavy walls made of virgin PTFE.
  • Low spring rates with short face-to-face dimensions.
  • Available 1″ to 12″ in diameter, and optional high purity PFA construction.