This is the Pfeiffer Part# 380052 Spring Plate. It is a replacement part designed specifically for the Pfeiffer DUO 255M (Index C) vacuum pump . This spring plate plays a vital role in the pump’s spring mechanism, ensuring optimal performance in vacuum applications
This is the Pfeiffer Part# 380049 Valve Plate. It is a replacement part used on Pfeiffer DUO250A and DUO255M (Index C) vacuum pumps . You will also find this valve plate included inside major overhaul kits for these pump models . Keep your pump’s valve system working right with this direct-fit part.
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