1121 Series Bearingless Pop-Off™ “Micro Stroke” Rotating Unions for Coolant Service

  • Single passage for coolant or MQL
  • Patented Pop-Off™ technology allows unlimited dry running without media pressure
  • Ultra-short 0.1 mm pop-off stroke restricts drainage of residual coolant during tool change
  • 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
  • Anodized aluminum housing resists corrosion