Deublin 1116 Series High Speed Rotary Union

The Deublin 1116 Series High Speed Rotary Union is engineered for applications where coolant, air, or MQL (Minimum Quantity Lubrication) must be reliably transferred at extremely high spindle speeds. Designed for precision CNC machine tools, machining centers, and high-speed spindles, the 1116 Series delivers stable sealing performance, extended service life, and reduced downtime.

Our rotary unions are fully compatible replacements for Deublin 1116 models, offering equivalent performance at a significantly more competitive price point. Whether you’re upgrading existing equipment or sourcing cost-effective alternatives for OEM use, the 1116 Series is a trusted solution for maintaining production efficiency.

Key Features – Deublin 1116 Series High Speed Rotary Union

  • Single-Passage Coolant Design – Optimized for continuous coolant service, ensuring reliable flow to high-speed CNC spindles and machining centers.
  • Closed Seal Technology – Prevents leakage in transfer lines and similar applications, maintaining clean and efficient operations.
  • Full-Flow Construction – Internal passages have no obstructions, minimizing pressure drop and eliminating swarf or debris buildup.
  • Bearing-Supported Rotor – Threaded rotor with deep groove radial ball bearings delivers smooth rotation, extended service life, and easier installation.
  • Labyrinth Seal Protection – Integrated labyrinth system and large vents safeguard the ball bearings against contaminants, heat, and moisture.
  • Balanced Mechanical Seals – Silicon carbide seal faces provide maximum durability, even under high RPM, elevated pressure, and demanding conditions.
  • Corrosion-Resistant Housing – Anodized aluminum construction ensures lightweight strength and long-term resistance to corrosion in coolant environments.

Technical Specifications (Typical for 1116 Series)

  • Passages: Single passage rotary union
  • Media Types: Coolant, air, MQL (oil mist), water
  • Maximum Speed: Up to 20,000 RPM (depending on configuration)
  • Pressure Range: Up to 100 bar / 1450 psi
  • Seal Options: Carbon-graphite / tool steel, carbon-graphite / silicon carbide
  • Connection Types: Radial housing or axial connections
  • Cooling Compatibility: Suitable for high-speed coolant through spindle (CTS) systems

Deublin 1116 Series Rotary UnionWhy Choose Our 1116 Series Alternatives?

  • Cost-Effective: Comparable quality to the original Deublin at a much lower price.
  • Direct Replacement: Fully interchangeable with Deublin 1116 rotary unions.
  • Reliable Performance: Tested for leak-free operation at high RPM.
  • Short Lead Times: Fast delivery to minimize production delays.
  • Custom Engineering Available: Tailored solutions for unique spindle requirements.

Order Your Deublin 1116 Series High Speed Rotary Union Today

Upgrade your CNC spindle performance with our 1116 Series rotary unions. Get the same high-speed sealing technology as Deublin, at a fraction of the cost.

👉 Contact us today for pricing, technical support, and bulk order options.