| 摘要 |
<p>The flap valve, for a pipeline, has a sealing collar (4) in a housing. The flap disk (3) swings in the sealing collar, mounted to the drive shaft connection (1) and journals (2). A sealing ring (5) with a sealing surface (6) is attached to the disk or shaped at it. The disk has a segment (12) fitting into a slit (15) at the ends (14) of the drive shaft and journal.</p> |
