Filter with valve-in-head construction

摘要: A valve-in-head filter includes an outer housing (2) adapted to receive a fluid cartridge (4) therein. valve head (7) is provided which annular stand pipe (22) for locating end of the filter. The cut away (32) on its downstream side reduce back pressure. Furthermore, passage (13) disposed between inlet (11) and outlet (12), with receiving slidable plunger (23) manually actuatable handle (28) connects through rotary actuator (29) move plunger. stem (30) mounted eccentrically axis, received in recess (31) so that turning moves "on" "off" positions. seal (26) continuously engages wall all positions, construction provides full "off", no bypass position.