Hydac
Hydac 1278777
The Hydac 1278777 is a 50µm cooling lubricant hydraulic filter element. It measures 3.1" OD x 15.7" long. Seals are Buna-N/Nitrile.
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What are the specifications of the Hydac 1278777?
Technical specifications for the Hydac 1278777 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 50µm |
| Media Type | Cooling Lubricant |
| Series | DN |
| Dimensions | |
| O.D. (inches) | 3.1" |
| O.A.L. (inches) | 15.7" |
| Seal Material | Buna-N/Nitrile |
| End Cap Material | O-Ring Cap |
Last verified: February 2026
Application & Compatibility
The HYDAC 1278777 is designed for use in hydraulic and lubrication filtration systems. With a 50µm rating, this element is suitable for pump and component protection in industrial hydraulic circuits. Buna-N/Nitrile seals provide compatibility with standard petroleum-based fluids and mineral oils.
Frequently Asked Questions
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