Description
The rubber part is made from Viton. This is a premium material. Viton is famous for resisting very high temperatures, harsh oils, and chemicals. It stays flexible and reliable when other rubbers would fail.
Together, they create a incredibly reliable seal. You use it in places like hydraulic line fittings, pump head bolts, or other high-stress connection points on your Busch vacuum pump.
Installation is straightforward. You place it on a bolt or into a recess, just like a washer. When tightened, the bonded Viton ring compresses perfectly to form the seal, while the metal washer controls the compression.
It’s a seal you can often reuse if carefully removed, making it a durable and cost-effective choice for serviceable connections.

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