摘要 |
The device comprises throttle (6) formed transverse to a flow direction in a channel sliding segments (8), which are combinable with one another and with a displacement drive. The segments are flexibly connected with one another. The displacement drive of the segments is removable for assembly of other segments of the sliding segments and is again combinable with the other segments. An agent is also provided for holding the segments in their respective position. The segments are formed by ceramic elements or steel segments. |