| 摘要 |
<p>The arrangement has a housing (1) inserted into a wall of a channel (16) and a hood (2) or steel structure connected with the housing. A passage opening (1b) for a slide plate (3) is provided in a wall of the housing. The passage opening is closed upto a remaining narrow gap (4c) by a cover lid (4). The cover lid has a circulating seal (4a) and a wear plate (4b), where the seal lies at the rear side of the wall of the housing, closes the inner side of the wall of the channel and forms a smooth passage.</p> |
