| 摘要 |
<p>1. A nonreturn valve for shutting of lines, for example, the suction line of compressors, comprising a valve seat disposed in a valve housing, said valve seat being closed by a flap swingably supported on a swivel axis, said flap being biassed by a biassing weight in the closing direction, characterized in that the biassing weight (6) is swingably supported independently of the flap (4) and is provided.</p> |
