1151 Series Bearingless Pop-Off™ “Long Stroke” Rotating Unions for Coolant Service

  • Single passage for Coolant and MQL
  • Patented Pop-Off technology allows unlimited dry running without media pressure
  • Non-rotating element has “stroke” (axial movement) of up to 13.5 mm, to track drawbar movement even when the union is mounted on the clamping device
  • Full flow design has no obstructions to trap chips or debris
  • Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions