OEM-equivalent replacement for Atlas Copco DD 9 compressed air filter element. Omega Air equivalent: OAC 9 DD/XM. 0.1 µm DD Coalescing — ISO 8573-1 Class 2 (oil). Delhi stock, pan-India delivery.
| OEM Part Reference | DD 9 (Atlas Copco) |
| Omega Air Cross-Reference | OAC 9 DD/XM |
| Filtration Grade | DD Coalescing — 0.1 µm |
| Removes | Oil mist and water aerosols to 0.1 µm — residual oil ≤0.1 mg/m³ |
| ISO 8573-1 Class | ISO 8573-1 Class 2 (oil) |
| Max Working Pressure | 16 bar |
| Max Inlet Temperature | 66°C |
| Replacement Interval | 12 months or 4,000 operating hours (coalescing/particulate); 6 months (carbon) |
General coalescing stage in Atlas Copco compressed air systems. Installed directly after the dryer to remove bulk oil mist and water aerosols. Most widely installed Atlas Copco filter element type.