1154 Series Bearingless AutoSense™ “Long Stroke” Rotating Unions for Coolant and Air Service with Dry Running

  • Single passage for coolant or MQL
  • Patent-pending AutoSenseTM technology automatically changes between closed seals and controlled leakage operation in response to the kind of media
  • Non-rotating element has a “stroke” (axial movement) of more than 8 mm, to track drawbar movement even when 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
  • Anodized aluminum housing resists corrosion
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