| 主权项 |
1. An external filter seal comprising a lid that is rotary-mounted to a filter container base and further comprises a body with at least two stub pipes and an internal part attached to the body, where formed in the internal part are circulation ducts positioned as an extension of the at least two stub pipes in opened position, and at least one bypass duct connecting the at least two stub pipes in closed position, wherein in that the internal part (12, 120) is attached to the body (11, 110) using a rotary bayonet mount by rotating to closed position in which the at least two stub pipes (1, 2) are connected by the bypass duct (3, 30), and the body (11, 110) together with the attached internal part (12, 120) is attached to the base (10, 100) using a rotate-and-lock bayonet mount, where in closed position the internal part (12, 120) is attached to the base (10, 100) in a stationary manner using a longitudinal head joint formed on the joined elements, the internal part (12, 120) and the base (10, 100), and the changing to opened position occurs by rotating the body (11, 110) in the rotate-and-lock bayonet mount. |
