Description
An O-ring is a simple but crucial part. It sits in a groove between two surfaces. When compressed, it forms a tight seal that blocks air, oil, or other fluids from passing through.
In vacuum pumps, even a tiny leak can cause big problems. It can make the pump struggle to reach the right pressure, waste energy, and let contaminants in. This O-ring helps stop that.
The 29 mm x 5 mm size is important. This means it has an inner diameter of about 29 mm and a cross-section (thickness) of 5 mm. You must use the exact size for the seal to work correctly.
It’s made from Viton (FKM), a premium material. Viton is chosen because it resists heat, oils, and chemicals much better than standard rubber. This makes it last longer and perform reliably in tough conditions inside a vacuum pump.
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