Valve Flap, Long, Pfeiffer, DUO, UNO, Part# 580043 – vacstellar

Description

This is a long valve flap designed for Pfeiffer DUO and UNO series vacuum pumps. It is a key component of the gas ballast system, helping to remove vapors from the pump oil to maintain consistent performance. This part fits many popular Pfeiffer pump models. It works with the DUO 1.6, DUO 2.5, DUO 2.5C, DUO 3, and UNO 6 series. It also fits larger models like the DUO 6, DUO 6M, DUO 11, DUO 11M, and DUO 11MC  Using a part like this one ensures the fit is right and the seal is tight. It is made to the same specifications as the original. When you replace this valve flap during routine maintenance, you help keep your pump running smoothly for years.