Description
it is crafted from Viton, a special type of rubber. It doesn’t give up when things get hot or when it touches oils and chemicals. Ordinary rubber seals can crack or swell, but Viton stays strong.
This makes it a trusted choice for keeping the vacuum pressure locked in.
This specific O-ring is quite large, with an inside diameter of 128mm and a thickness of 3mm. It is designed to fit specific larger connections on your Busch vacuum pump.
Using this part means you get a perfect fit. It will sit exactly where it should, creating a tight, leak-proof barrier.
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