G-SERIES ROTARY UNIONS
GH TYPE
Designed specifically for demanding machine tool operations, this rotary union ensures reliable media transfer in applications such as transfer lines, gun drills, CNC machines, spindles, grinding machines, drilling presses, milling, clutches, and rotary index tables.
Operating Conditions:
Coolant: Up to 80 bar, 90°C, 42,000 RPM
MQL: Up to 10 bar, 90°C, 42,000 RPM
Air: Up to 8 bar, 50°C, 42,000 RPM
Dry Run: Up to 42,000 RPM
Overview:
• Special seal design permits dry running
• Labyrinth seal and drain holes protect bearings
• Optimised seal balance ratio
• High precision angular contact bearings for highspeeds
• Anodised aluminium body
• Full flow area, minimal pressure drop
• Long drawbar stroke for maximum flexibility
• Seal to protect bearings for air pressure in rotor area
• Low heat generation in bearings and mechanical seal
• No leakage during tool change commutation
• Large drain holes to evacuate coolant from the union
• Supplied with bearings run-in upon request
Engineered for high-speed, high-pressure environments, this rotary union delivers maximum performance and longevity for modern machining centers.