Description
This O-ring is made from Viton. Viton is a special rubber that handles heat very well. It can work in temperatures from -20°C up to 200°C . It also resists oils, fuels, and chemicals much better than standard rubber. Viton also has very low gas permeability, which makes it perfect for vacuum applications .
This particular O-ring fits many popular pump models from two major brands. It works with Pfeiffer DUO 250A and UNO 250A pumps. It also fits Leybold Ruvac pumps like the WA501, WAU501, WS501, and WSU501 models
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