Premium Replacement for Donaldson P78-3499
Maximize the reliability of your Donaldson P rotary screw air compressor with this premium Air/Oil Separator Replacement from EL-AIR. Manufactured by MANN-FILTER, the globally recognized leader in OEM filtration technology, this equivalent part ensures the lowest possible oil carry-over and provides the reliability of a premium core at a highly competitive price point.
Key Performance Benefits
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Optimal Oil Separation: Effectively captures oil aerosols to maintain residual oil content down to 1-3 ppm, ensuring perfectly clean compressed air for your facility.
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Improved Compressor Longevity: Helps prevent premature wear by keeping lubrication within the system and reducing the load on downstream filtration.
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Energy Efficient Design: Constructed with advanced micro-glass media that guarantees an exceptionally low pressure drop, saving on compressor energy costs.
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Easy & Hassle-Free Installation: Precision-engineered for a perfect fit, making routine maintenance quick and straightforward with zero modifications required.
Technical Specifications
| Max Operating Pressure |
290 psi (20 bar) |
| Nominal Flow Rate |
2.0 m?/min |
| Height |
8.35" |
| Outer Diameter |
3.66" |
Frequently Asked Questions
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Is this separator compatible with my Donaldson P compressor?
Yes. This air/oil separator replacement is specifically engineered to fit Donaldson P compressors requiring the specified part number. If this matches your parts manual, it is a guaranteed fit.
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Is this an original OEM part?
This is a premium OEM-equivalent replacement manufactured by MANN-FILTER. It delivers the exact same performance, oil separation efficiency, and pressure drop ratings as the original Donaldson P part, but at a highly competitive price.
Explore our full range of Donaldson P Replacement Parts, including Air Filters, Oil Filters, and Separators to keep your compressor running at peak performance.
* The image is for illustration purposes only. This product is a premium equivalent for the specified OEM part.
