1129 Series Bearingless Pop-Off™ Rotating Unions for Coolant Service

Single passage for coolant or MQL
Patented Pop-Off™ technology allows unlimited dry running without media pressure
Pop-Off stroke of 0.7-3.0 mm compensates for thermal expansion of spindle during extended operation as well as variations in drawbar position
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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