A CNC Coolant Rotary Union is a critical component in modern machine tools, designed to transfer coolant or cutting fluids from a stationary supply line into a rotating spindle without leakage or loss of pressure. By ensuring efficient coolant delivery, these rotary unions enhance machining accuracy, extend tool life, and improve overall productivity.
Our CNC coolant rotary unions are manufactured with precision sealing systems, balanced design, and durable materials, making them excellent alternatives to brands such as Deublin, Christian Maier, Kadant, and Johnson-Fluiten—but at a more competitive cost.
Leak-Free Sealing – Prevents coolant leakage, ensuring a cleaner machining environment.
High-Speed Performance – Supports spindle speeds up to 20,000 RPM.
Durable Construction – Stainless steel and hardened tool steel for long service life.
Coolant & MQL Compatibility – Works with water-based coolant, oil-based coolant, or minimum quantity lubrication (MQL).
Extended Tool Life – Consistent coolant flow reduces heat and wear on cutting tools.
Low Maintenance – Balanced mechanical seals minimize downtime.
CNC Machining Centers – Precision cutting, drilling, and milling.
Lathe Machines – Spindle Coolant Transfer for Turning Operations.
Grinding Machines – Efficient coolant circulation at high speeds.
Deep Hole Drilling – High-pressure coolant delivery to cutting edges.
Automotive & Aerospace Manufacturing – Complex machining operations requiring precision cooling.
Transfers coolant or MQL directly to the spindle.
Compact and lightweight design.
Delivers coolant, air, and hydraulic fluid simultaneously.
Suitable for advanced CNC machinery.
Optimized for ultra-high spindle speeds in precision machining.
Low-friction seal design reduces wear.
Handles coolant delivery at pressures up to 100 bar.
Ideal for deep hole drilling and heavy-duty applications.
OEM Replacement Quality – Directly compatible with Deublin and other global brands.
Competitive Pricing – Save up to 40% without compromising quality.
Custom Design – Tailored to your spindle, coolant, and speed requirements.
Global Supply – Fast delivery worldwide with reliable after-sales support.
Boost the performance of your CNC machines with our CNC Coolant Rotary Unions.
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