Filter screen device

摘要: An improved filter screen device is provided which comprises an elongated, tubular housing, a hollow elongated perforated member releasably secured in the central interior of housing and flexible sock-type disposed over outer surface housing. The includes open upstream end closed by opposite downstream end. inlet at acute angle to length intersects between its ends. A first outlet along about longitudinal axis so as communicate with member. second also communicates space configured cause liquid passing therethrough into spiral face screen. Liquid through exits while particles removed from stream failure pass are outlet.