| 摘要 |
The insert (1) comprises a wire net (2) and a thin plate (3) which together are wound to form a spiral. Against the gable sides of the spiral covers (4, 5) with through channels (4', 5') are fitted. The valve itself comprises a housing with inlet and outlet for fluid or gas, in the housing is a spherical valve body (9) rotatably arranged and locating tightly against the housing wall, and which incorporates a cavity (10) to accommodate the insert. |
