DEUBLIN 1109-020-188 Rotary Union: Complete Technical Guide for Industrial Automation
DEUBLIN 1109-020-188 Rotary Union
Professional-grade rotating joint for coolant and MQL applications in industrial automation
Product Overview
The DEUBLIN 1109-020-188 is a high-performance rotary union designed specifically for machine tool applications requiring reliable fluid transfer to rotating components. This precision-engineered rotating joint features patented Pop-Off™ technology that enables unlimited dry running without media pressure, making it ideal for demanding industrial environments.
Front view of DEUBLIN 1109-020-188 rotary union
Side view showing connection ports
Detailed view of connection interfaces
Assembly view showing internal components
Installation orientation view
Technical specifications and markings
Technical Specifications
| Parameter | Specification | Value |
|---|---|---|
| Product Type | Union Type | Pop-Off™ High Speed |
| Rotor Connection | Thread Type | M16x1.5 Left Hand (LH) |
| Housing Connection | Port B | G 3/8"-19 |
| Pilot Diameter | Mounting Interface | 18 mm |
| Media 1 (Coolant) | Maximum Pressure | 1500 psi (103 bar) |
| Media 2 (MQL) | Maximum Pressure | 150 psi (10.3 bar) |
| Coolant Flow Rate | Maximum Flow | 21.6 GPM (81.8 l/min) |
| MQL Flow Rate | Maximum Flow | 72.1 CFM (2040 l/min) |
| Weight | Shipping Weight | 1.400 lb (0.635 kg) |
| Bearing Type | Precision Bearings | Dual ABEC 7 (ISO class P4) angular contact ball bearings |
Key Features & Benefits
Patented Pop-Off™ Technology
The revolutionary Pop-Off™ design allows unlimited dry running without media pressure, significantly extending service life and reducing maintenance requirements. This technology prevents seal damage during startup and shutdown sequences.
Full-Flow Design
Engineered with no internal obstructions to trap swarf or debris, ensuring consistent flow rates and preventing clogging in demanding machining applications.
Precision Bearing System
Features dual ABEC 7 (ISO class P4) angular contact ball bearings supported by a labyrinth system with large vents to protect bearings from contamination and ensure smooth rotation.
Advanced Seal Technology
Balanced mechanical seals made from silicon carbide provide exceptional durability and long service life even under difficult operating conditions with high temperatures and pressures.
Corrosion Resistance
Anodized aluminum housing provides excellent corrosion resistance, making the unit suitable for use with various coolants and lubricants in harsh industrial environments.
Applications in Industrial Automation
Primary Applications
- CNC Machining Centers: Coolant delivery to rotating spindles
- Multi-Tasking Machines: MQL (Minimum Quantity Lubrication) systems
- Rotary Tables: Hydraulic or pneumatic power transmission
- Indexing Systems: Fluid transfer to rotating fixtures
- Grinding Machines: Coolant supply to wheel spindles
Industry Sectors
- Aerospace manufacturing
- Automotive production
- Medical device manufacturing
- Mold and die making
- General precision machining
Installation & Maintenance
Installation Guidelines
The DEUBLIN 1109-020-188 features a threaded rotor design for easy installation. The M16x1.5 left-hand thread and 18mm pilot diameter ensure secure mounting to rotating components. Proper alignment and torque specifications should be followed as per manufacturer guidelines.
Maintenance Requirements
Thanks to the Pop-Off™ technology and advanced sealing system, maintenance requirements are minimal. Regular inspection for leaks and bearing smoothness is recommended. The unit is designed for long service intervals with proper filtration of media.
Frequently Asked Questions (FAQ)
Pop-Off™ technology allows the rotary union to run dry indefinitely without media pressure, preventing seal damage during machine startup, shutdown, or when media flow is interrupted. This significantly extends the service life of the unit.
Yes, the DEUBLIN 1109-020-188 is specifically designed for single passage applications handling either coolant or MQL (Minimum Quantity Lubrication). It has different pressure ratings for each media type: 1500 psi for coolant and 150 psi for MQL.
This unit features dual ABEC 7 (ISO class P4) angular contact ball bearings, which provide high precision and load capacity. The bearings are protected by a labyrinth system with large vents to prevent contamination.
Yes, the housing is made from anodized aluminum, which provides excellent corrosion resistance against various coolants and industrial fluids commonly used in machining applications.
While specific RPM ratings depend on application conditions, the high-speed design and precision bearings allow for operation at speeds typical of modern CNC machining centers and rotating equipment.
Trust Metrics & Industry Recognition
External References & Documentation
The DEUBLIN 1109-020-188 is documented in multiple industry sources:
- Official Manufacturer Documentation: Available on Deublin's official website with detailed technical specifications and installation guides
- Industry Distributors: Listed by major industrial automation suppliers including MRO Supply and Eastern Industrial Automation
- Technical Resources: Installation guides and operating manuals specifically for "Pop-Off" unions for machine tools
- Quality Standards: Manufactured to meet industry standards for precision rotating components
Sources: Deublin official documentation, Eastern Industrial Automation specifications, MRO Supply technical data
Conclusion
The DEUBLIN 1109-020-188 rotary union represents advanced engineering in fluid transfer technology for rotating machinery. With its patented Pop-Off™ technology, precision bearings, and robust construction, it provides reliable performance in demanding industrial automation applications. Whether for coolant delivery in CNC machining or MQL systems in precision manufacturing, this rotary union offers the durability and performance needed for modern industrial environments.
For specific application requirements or technical support, consult with authorized DEUBLIN distributors or refer to the official manufacturer documentation for complete installation and maintenance guidelines.
