Description
This seal does two important things. It keeps lubricants securely inside your system. It also prevents outside air from leaking in, which is crucial for maintaining strong vacuum performance.
Made from Buna-N (nitrile) rubber, it resists swelling and degradation from oils, greases, and many fluids. This makes it a practical and long-lasting choice for industrial environments.
Always replace a large seal like this during major service. An old, flattened O-ring won’t seal properly. Using this Busch part guarantees the exact oversized dimensions and material quality for a perfect, leak-free fit.
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