1109 Series Pop-Off™ Bore-Mounted Rotating Unions for Coolant Service with Dry Running

  • Single passage for coolant or MQL
  • Pop-Off technology allows unlimited dry running without media pressure
  • Accepts up to 19 mm of axial drawbar movement
  • Full-flow design has no obstructions to trap chips or debris
  • Bore-mounted design for easy installation
  • Matched, ISO class P4 hybrid ball bearings for smooth operation at high speeds
  • Labyrinth system and large vents to protect ball bearings
  • Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
  • Anodized aluminum and stainless steel parts resist corrosion