Double bellows filter for filtering liquids, has center pipe extending in axial direction and provided between filter bellows, and exhausting aperture formed between filter bellows, where bellows are arranged concentric to each other

摘要

The filter (1) has an inner filter bellow (18) and an outer filter bellow (19), which are formed cylindrically and arranged concentric to each other. An interstice provided in form of an annular gap is provided between the filter bellows. An upper end disk (16) and a lower end disk (21) are arranged at axial front ends of the filter bellows and sealingly connected with the filter bellows. A center pipe (20) extending in an axial direction is provided between the bellows. An exhausting aperture (22) is formed between the filter bellows.