Ring Seat, Valve, Pfeiffer, DUO, UNO, DUO250A, UNO250A, Part# 380050 – vacstellar

Description

This is a valve seat ring designed for Pfeiffer DUO 250A and UNO 250A series vacuum pumps. It is a critical component that ensures effective sealing and proper gas flow regulation within the pump’s valve system This valve seat ring is used in larger Pfeiffer pumps. It fits the DUO 250A and UNO 250A models replacing this valve seat ring is a smart move. A worn seat ring can cause leaks and hurt performance. Using a part like this one ensures the fit is right and the seal is tight.