Description
This O-ring is made from Viton (FKM). Viton is a special, high-performance rubber. It is excellent at handling heat, oil, and many chemicals. In a vacuum pump, temperatures can rise and oil is always present. A standard rubber O-ring might fail quickly. But Viton stays flexible and strong, giving you a much more reliable and long-lasting seal.
This specific part is listed for Pfeiffer DUO and UNO series pumps. Before ordering, always double-check your pump’s model number and service manual. Replacing an old, flattened O-ring with this new, part during maintenance is a smart way to prevent leaks and performance issues
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