Deublin 1109-770-644 Rotary Union
DEUBLIN 1109-770-644 / M879930/B0504 Rotary Union
The DEUBLIN 1109-770-644 / M879930/B0504 rotary union is a high-performance unit engineered for precise transfer of coolant, cutting oil, and MQL media in demanding machining environments. It provides exceptional sealing integrity and durability under high pressure and flow applications, ensuring reliable performance for rotating machinery.
Manufacturer: DEUBLIN
Type: Rotary Union
Model: 1109-770-644 / M879930/B0504
| Media | MQL, Cutting Oil, Coolant |
| Rotor Connection | Rectangle-Drive, 11.984 mm pilot |
| Housing Connection | 3/8³-19 NPT |
| Coolant Max. Flow | 81.8 l/min |
| Coolant Max. Pressure | 140 bar |
| Cutting Oil Max. Flow | 81.8 l/min |
| Cutting Oil Max. Pressure | 150 bar |
| MQL Max. Flow | 2040 l/min |
| MQL Max. Pressure | 10 bar |
| Coolant Max. Temperature | 71 °C |













