Demag
Seal ring for Demag AC80-1
This seal ring is designed for the Demag AC80-1 crane. It creates a hermetic seal between two surfaces to prevent the leakage of hydraulic fluids or lubricants and to block external contaminants.
Parts diagram
Compatible models
Specifications
- Part number
- 339 714 99
- Brand
- Demag
The seal ring, part number 339 714 99, serves as a barrier within the Demag AC80-1 crane assembly. Its primary function is to establish a secure, hermetic seal between mating surfaces, which prevents the escape of pressurized hydraulic oil or lubricants while simultaneously excluding external contaminants such as dust and moisture from the internal components. By maintaining this interface, the seal ring supports the operational integrity of the machine's various systems.
This component is specifically engineered for use in the Demag AC80-1. It is utilized in systems where fluid containment and pressure management are required, such as hydraulic circuits, transmission housings, and engine assemblies. Proper installation of this seal is necessary to maintain the pressure levels required for the crane's hydraulic functions.
In heavy machinery, seal rings are used to bridge the gap between stationary and moving parts. They manage fluid flow and pressure, ensuring that lubricants remain within the intended chambers and that environmental debris does not enter sensitive mechanical systems. Maintaining these seals is a standard part of routine maintenance to ensure that systems remain pressurized and free from contamination.

