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Rotating Union

Allows transfer of pressurized fluid from a stationary source into rotating machinery for heating, cooling or transfer of fluid power. We provide a wide range of specifications to cater for various media such as steam, air, water, coolant and oil.

  • 1/8″ to 1/2″ Air-Hydraulic Unions
    • Monoflow design
    • Self-supported rotating union
    • Radial housing connection
    • Balanced mechanical seal
    • Seal combinations: Carbon Graphite/Hardened Tool Steel or Carbon Graphite/Silicon Carbide
    • Felt oiler in seal cavity for air service
    • Oiler for relubrication (3 – 5 drops/month)
    • Low torque
    • Weight-optimized design
    • Aluminum housing
    • Bearings lubricated for life
    Download Data Sheet

  • 1101 Series “Closed Seal” Rotating Unions for Continuous Coolant Service
    • Single passage for coolant or MQL
    • Closed seals for transfer line and similar applications
    • Full-flow design has no obstructions to trap chips or debris
    • Bearing-supported with threaded rotor for easy installation
    • Deep groove radial ball bearings for smooth operation
    • 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 housing resists corrosion
    Download Data Sheet

  • 1108 Series “Closed Seal” Bore-Mounted Rotating Unions for Coolant Service
    • Single passage for coolant or MQL
    • Closed seals
    • Accepts up to 19 mm of draw bar movement
    • Full-flow design has no obstructions to trap swarf or debris
    • Labyrinth system and large vents to protect ball bearing
    • Dry run cycles possible depending on model
    • Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
    • Stainless steel housing and rotor
    • Anodised aluminum end cap
    Download Data Sheet

  • 1108 Series “Closed Seal” Rotating Unions for Continuous Coolant Service
    • Single passage for coolant or MQL
    • Closed seals for transfer line and similar applications
    • Full-flow design has no obstructions to trap chips or debris
    • Bearing-supported with threaded rotor for easy installation
    • Dual ABEC 7 (ISO class P4) angular contact ball bearings
    • 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 housing resists corrosion
    Download Data Sheet

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