The gas-charged accumulators on modern hydraulic systems are an expected element. These components do many things for the system, including controlling leakage, energy recovery, energy reserve and storage and shock absorption. However, these incredibly useful components must be maintained in order to ensure a long service life. As a pressure vessel, the hydraulic accumulator must be inspected, tested and certified. This may be a legal requirement to ensure proper functioning.
In the last post, the function of lip seals was covered, as was how to ensure their proper selection and their features and construction. The conversation about lip seals and their role in contamination control continues in this post.