| 摘要 |
Filter insert comprises filter housing (3) with liquid inlet (1) and discharge (2) connections. The inlet is at the bottom of the side wall of the housing, while the outlet is in the top cover of the housing, above the upper closing plate (6) of the filter element. The housing contains the annular filter element and the necessary operating devices. A central, perforated pipe (9) is located co-axially with the filter element, extending above the upper closing plate and below the lower closing plate (7) of the filter element. The top of this pipe is open. The perforations (8) of the pipe are connected to a washing unit. |
