Demountable retaining screen holder for pressure filter - with locking lug system and O=ring seal

摘要

A perforated circular screen has a circular outer frame with three cut-outs which allow it to be positioned in an outer holder and then rotated so that there is positive engagement with fixed lugs. There is an O-ring seal. Used for holding the retaining screen of a pressure filter. Simple construction permitting ready removal and replacement of the screen.