DEUBLIN1109-402-403S Custom Coolant Rotary Joint
Exact Replacement with Optimized Material & Dimension
Engineered for Special Installations, Without Compromising Performance
This custom-designed coolant rotary joint is engineered as a direct upgrade for the DEUBLIN 1109-402-403 model, offering enhanced adaptability for unique equipment configurations—without sacrificing core functionality.
♦Custom Modifications:
♢Material Upgrade: Anodized aluminum housing with brass insert (replacing stainless steel) for improved toughness and dimensional stability.
♢Size Reduction: Outer diameter reduced from 1.927–1.928” to 1.901–1.902” — ideal for compact spaces.
♢Performance Preserved: All key parameters remain unchanged: 16,000 RPM max speed, 70 bar pressure rating, 70°C max temp.
♦Core Design：
♢Single-channel, full-flow path
♢Labyrinth seal + multiple large leakage ports
♢Balanced mechanical seal with silicon carbide rotor
♢Inner-hole installation design
Product Drawing
Product parameters
| Technical Parameters | |
| Medium | Coolant,MQL |
| Max. Temperature | 70℃ |
| Max. Pressure | Coolant70 bar,MQL10 bar |
| Max. Speed | 16,000 RPM |
| Weight | 0.95kg |
| Seal | SIC |
Product features
Dry-operation ready
No coolant needed at startup
Fits tight spaces
Smaller outer diameter
Superior structural resilience
Brass insert resists shock/vibration
Bearing protection
Prevents contamination and clogging
Easy installation
Inner-hole design, no modification
Proven high-speed performance
Stable at 16,000 RPM
FAQ
A1: Brass offers better ductility and impact resistance, especially important in high-vibration environments. It maintains excellent corrosion resistance while improving fit and stability.
A2: Align with the inner hole of your equipment and secure with standard fasteners. No extra tools or modifications needed-plug-and-play replacement.
A3: No. The silicon carbide seal is designed for dry operation with minimal wear-ensures full lifespan even without coolant.
A4: Absolutely. We offer full customization-material, size, interface, or sealing system-to match your exact equipment demands.
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