Description
This is the Busch O-ring you are looking for. It has a specific size: 35mm inside diameter and a 4mm thickness. This ensures it will fit perfectly in its designated groove.
The material is just as important as the size. This O-ring is made from Viton.
Viton is a top-quality material for tough jobs. Inside your vacuum pump, it gets hot and oily.
A standard rubber O-ring can fail in these conditions. It might swell up, become brittle, or crack. This leads to oil leaks and a loss of vacuum pressure.
A Viton O-ring is built to handle this environment. It stays flexible and strong. It resists the effects of oil and heat beautifully.
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