Deublin 1109 021 188

The Deublin 1109 021 188 rotary union is a precision-engineered rotary joint designed for high-speed and high-pressure applications. Built to deliver reliable media transfer—whether coolant, hydraulic oil, air, or MQL (Minimum Quantity Lubrication)—this model is a trusted solution in metalworking, CNC machining, textile, plastic, and steel manufacturing industries.

If you are looking for an affordable replacement or equivalent to the Deublin 1109 021 188, our rotary unions are designed with the same performance standards, ensuring long service life, robust sealing technology, and seamless integration into your machinery.

Key Features & Specifications

  • Model Compatibility: Direct alternative for Deublin 1109 021 188 rotary union

  • Passage Type: Single-pass design for coolant and MQL service

  • Seal Technology: Balanced mechanical seal system for dry-running capability

  • Durability: Hardened tool steel or silicon carbide seal combinations

  • Housing: Compact, lightweight construction for high-speed spindles

  • Media Supported: Water, coolant, hydraulic oil, compressed air, and MQL

  • Maintenance: Grease fitting for extended bearing life

  • Applications: CNC machining centers, deep hole drilling, grinding machines, injection molding equipment, and textile machinery.

Applications in Industry

  • CNC Machining & Milling Machines – Delivers coolant precisely to extend tool life

  • Textile Industry – Supports air and lubrication systems in high-speed weaving machines

  • Plastic Injection Molding – Ensures stable water and oil transfer for mold temperature control

  • Steel Manufacturing – Handles coolant and hydraulic transfer in rolling mills

  • Deep Hole Drilling Machines – Provides an uninterrupted coolant supply at extreme pressures.

Why Choose Our Alternative to Deublin 1109 021 188?

  • Cost-effective solution without compromising performance

  • Full compatibility with existing Deublin fittings

  • High reliability under continuous operation

  • Wide application range across industries

  • Quick delivery with global export support

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  • Sale! deublin-1109-021-188

    Deublin 1109 021 188 Rotary Union

    Original price was: $120.00.Current price is: $108.00.
      • Part Number : 1109 021 188
      • Max Pressure: 210 bar (3,000 psi)
      • Max Speed: 20,000 RPM
      • Media: Water, Steam, Hydraulic Fluids, Compressed Air
      • Materials: Stainless Steel, Brass
      • Seals: Mechanical Seals, Silicon Carbide (Optional)
      • Channels: Single or Multi-Channel Configurations</li>
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    Temperature Range:

      -40°C to 200°C (-40°F to 392°F)