Deublin Coolant Rotary Unions

• Port connection thread sizes from 1/4” to 3/8”
• Rotors available with thread and flange connection
• Single passage design
• Pressure ratings up to 2,000 PSI
• Temperature ratings up to 250°F
• Speed ratings up to 20,000 RPM (up to 45,000 RPM at sub-maximum pressure)
• Bearingless models available (no bearing-imposed speed limits, externally supported)
• Available with “pop-off” seals (seals separate in absence of media pressure to eliminate friction and wear during dry running)

DEUBLIN
1117 Series Bearingless "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
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Compact size can be adapted for custom installations
• Anodized aluminum housing resists corrosion

DEUBLIN
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

DEUBLIN
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
• Stainless steel rotor

DEUBLIN
1116 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

DEUBLIN
1109 Series "Pop-Off" Rotor-Mounted Rotating Unions for Coolant Service with Dry Running

• Single passage for coolant or MQL
• Patented "pop-off" technology allows unlimited dry running without media pressure
• 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 (1109)
• Deep groove radial ball bearings (902)
• 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
• Stainless steel rotor