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.
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.
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.
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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